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  • Hundacker, J., Linda, T., Hilker, M., Lortzing, V. & Bittner, N. (2024).The impact of insect egg deposition on Pinus sylvestris transcriptomic andphytohormonal responses to larval herbivory. Tree Physiol. 44: tpae008, doi: 10.1093/treephys/tpae008
  • Lortzing, V., Valsamakis, G., Jantzen, F., Hundacker, J., Paniagua Voirol, L.R., Schumacher, F., Kleuser, B. & Hilker, M. (2024). Plant defensive responses to insect eggs are inducible by general egg‑associated elicitors. Sci. Rep. doi: 10.1038/s41598-024-51565-y.
  • Reinecke, A., Flaig, I.C., Lozano, Y.M., Rillig, M.C. & Hilker, M. (2024).Drought induces moderate, diverse changes in the odour of grasslandspecies. Phytochemistry. doi: 10.1016/j.phytochem.2024.114040
  • Schott,J., Rakei, J., Remus-Emsermann,M., Johnston, P., Mbedi, S., Sparmann, S., Hilker, M. &  Paniagua Voirol, L.R. (2024). Microbial associates of the elm leaf beetle: uncovering the absence of resident bacteria and the influence of fungi on insect performance. Appl. Environ. Microbiol. doi: 10.1128/aem.01057-23.


  • Awater-Salendo, S., Hilker, M. & Fürstenau, B. (2023). Kairomone-induced changes in foraging activity of the larval ectoparasitoid Holepyris sylvanidis are linked with an increased number of male parasitoid offspring. Front. Ecol. Evol. 11: 1158081, doi: 10.3389/fevo.2023.1158081.

  • Hilker, M., Salem, H. & Fatouros N.E. (2023). Adaptive plasticity of insect eggs in response to environmental challenges. Annu. Rev. Entomol. 68: 451–469, doi: 10.1146/annurev-ento-120120-100746.

  • Schott, J., Jantzen, F. & Hilker, M. (2023). Elm tree defences against a specialist herbivore are moderately primed by an infestation in the previous season. Tree Physiol. 43: 1218-1232, doi: 10.1093/treephys/tpad038.


  • Hundacker, J., Bittner, N., Weise, C., Bröhan, G., Varama, M. & Hilker, M. (2022). Pine defense against eggs of an herbivorous sawfly is elicited by an annexin-like protein present in egg-associated secretion. Plant Cell Environ. 45: 1033-1048, doi: 10.1111/pce.14211.

  • Schott, J., Fuchs, B., Böttcher, C. & Hilker, M. (2022). Responses to larval herbivory in the phenylpropanoid pathway of Ulmus minor are boosted by prior insect egg deposition. Planta 255: 16, doi: 10.1007/s00425-021-03803-0.

  • Valsamakis, G., Bittner, N., Kunze, R., Hilker, M. & Lortzing, V. (2022). Priming of Arabidopsis resistance to herbivory by insect egg deposition depends on the plant's developmental stage. J. Exp. Bot. 73: 4996-5015, doi: 10.1093/jxb/erac199.


  • Austel, N., Böttcher, C. & Meiners, T. (2021). Chemical defence in Brassicaceae against pollen beetles revealed by metabolomics and flower bud manipulation approaches. Plant Cell Environ. 44: 519-534, doi: 10.1111/pce.13949.

  • Awater-Salendo, S., Voigt, D., Hilker, M. & Fürstenau, B. (2021). Cuticular hydrocarbon trails released by host larvae lose their kairomonal activity for parasitoids by solidification. J. Chem. Ecol. 47: 998-1013, doi: 10.1007/s10886-021-01310-w.


  • Awater-Salendo, S., Schulz, H., Hilker, M. & Fürstenau, B. (2020). The importance of methyl-branched cuticular hydrocarbons for successful host recognition by the larval ectoparasitoid Holepyris sylvanidis. J. Chem. Ecol. 46: 1032-1046. doi: 10.1007/s10886-020-01227-w.

  • Griese, E., Pineda, A., Pashalidou, F.G., Pizarro Iradi, E., Hilker, M., Dicke, M. & Fatouros, N.E. (2020). Plant responses to butterfly oviposition partly explain preference–performance relationships on different brassicaceous species. Oecologia 192: 463-475, doi: 10.1007/s00442-019-04590-y.

  • Heger, T.,  Bernard-Verdier, M., Gessler, A., Greenwood, A.D., Grossart, H.P., Hilker, M., Keinath, S., Kowarik, I. Marquard, E., Müller, J., Niemeier, S., Onandia, G., Petermann, J.S., Rillig, M.C., Rödel, M.O., Saul, W.C., Schittko, C., Tockner, K., Joshi, J. & Jeschke, J.M. (2020). Clear language for ecosytem management in the Anthropocene: A reply to Bridgewater and Hemming. Bioscience 70: 374-376, doi: 10.1093/biosci/biaa024.

  • Liefting, M., Verwoerd, L., Dekker, M. L., Hoedjes, K. M. & Ellers, J. (2020). Strain differences rather than species differences contribute to variation in associative learning ability in Nasonia. Anim. Behav. 168: 25–31, doi: 10.1016/j.anbehav.2020.07.026.

  • Lortzing, T., Kunze, R., Steppuhn, A., Hilker, M. & Lortzing, V. (2020). Arabidopsis, tobacco, nightshade and elm take insect eggs as herbivore alarm and show similar transcriptomic alarm responses. Sci. Rep. 10: 16281, doi: 10.1038/s41598-020-72955-y.

  • Mäntyla, E., Kipper, S. & Hilker, M. (2020). Insectivorous birds can see and smell systemically herbivore-induced pines. Ecol. Evol. 10: 9358-9370, doi: 10.1002/ece3.6622.

  • Paniagua Voirol, L.R., Valsamakis, G., Lortzing, V., Weinhold, A., Johnston, P.R., Fatouros, N., Kunze, R. & Hilker, M. (2020). Plant responses to insect eggs are not induced by egg‐associated microbes, but by a secretion attached to the eggs. Plant Cell Environ. 43: 1815-1826, doi: 10.1111/pce.13746.

  • Paniagua Voirol, L.R., Valsamakis, G., Yu, M., Johnston, P.R. & Hilker, M. (2020). How the “kitome” influences the characterisation of bacterial communities in lepidopteran samples with low bacterial biomass. J. Appl. Microbiol. 130: 1780-1793, doi: 10.1111/jam.14919.

  • Paniagua Voirol, L.R., Weinhold, A., Johnston, P.R., Fatouros, N.E. & Hilker, M. (2020). Legacy of a butterfly's parental microbiome on offspring performance. Appl. Environm. Microbiol. 86: e00596-20, doi: 10.1128/AEM.00596-20.

  • Valsamakis, G., Bittner, N., Fatouros, N.E., Kunze, R., Hilker, M. & Lortzing, V. (2020). Priming by timing: Arabidopsis thaliana adjusts its priming response to Lepidoptera eggs to the time of larval hatching. Front. Plant Sci. 11: 619589, doi: 10.3389/fpls.2020.619589.


  • Bittner, N., Hundacker, J., Achotegui-Castells, A., Anderbrant, O. & Hilker, M. (2019). Defense of Scots pine against sawfly eggs (Diprion pini) is primed by exposure to sawfly sex pheromones. PNAS 116: 24668-24675, doi: 10.1073/pnas.1910991116.

  • Heger, T., Bernard-Verdier, M., Gessler, A., Greenwood, A.D., Grossart, H.-P., Hilker, M., Keinath, S., Kowarik, I., Kueffer, C., Marquard, E., Müller, J., Niemeier, S., Onandia, G., Petermann, J.S., Rillig, M.C., Rödel, M.-O., Saul, W.-C., Schittko, C., Tockner, K., Joshi, J. & Jeschke, J.M. (2019). Towards an integrative, eco-evolutionary understanding of ecological novelty: Studying and communicating interlinked effects of global change. BioScience 69: 888-899, doi: 10.1093/biosci/biz095.

  • Hilker, M. & Schmülling, T. (2019). Stress priming, memory and signalling in plants. Plant Cell Environ. 42: 753-761, doi: 10.1111/pce.13526.

  • Jantzen, F., Lynch, J.H., Kappel, C., Höfflin, J., Skaliter, O., Wozniak, N., Sicard, A., Sas, C., Adebesin, F., Ravid, J., Vainstein, A., Hilker, M., Dudareva, N. & Lenhard, M. (2019). Retracing the molecular basis and evolutionary history of the loss of benzaldehyde emission in the genus Capsella. New Phytol. 224: 1349-1360, doi: 10.1111/nph.16103.

  • Liefting, M., Rohmann, J.L., Le Lann, C. & Ellers, J. (2019). What are the costs of learning? Modest trade‑offs and constitutive costs do not set the price of fast associative learning ability in a parasitoid wasp. Anim. Cogn. 22: 851–861, doi: 10.1007/s10071-019-01281-2.

  • Lortzing, V., Oberländer, J., Lortzing, T., Tohge, T., Steppuhn, A., Kunze, R. & Hilker, M. (2019). Insect egg deposition renders plant defense against hatching larvae more effective in a salicylic acid-dependent manner. Plant Cell Environ. 42: 1019-1032, doi: 10.1111/pce.13447.

  • Oberländer, J., Lortzing, V., Hilker, M. & Kunze, R. (2019). The differential response of cold-experienced Arabidopsis thaliana to larval herbivory benefits an insect generalist, but not a specialist. BMC Plant Biol. 19: 338, doi: 10.1186/s12870-019-1943-3.


  • Altmann, S., Muino, J.M., Lortzing, V., Brandt, R., Himmelbach, A., Altschmied, L. & Hilker, M. (2018). Transcriptomic basis for reinforcement of elm anti-herbivore defense mediated by insect egg deposition. Mol. Ecol. 27: 4901-4915, doi: 10.1111/mec.14900.

  • Liefting, M., Hoedjes, K.M., Le Lann, C., Smid, H.M. & Ellers, J. (2018). Selection for associative learning of color stimuli reveals correlated evolution of this learning ability across multiple stimuli and rewards. Evolution 72: 1449–1459, doi: 10.1111/evo.13498.

  • Mäntylä, E., Kleier, S., Lindstedt, C., Kipper, S. & Hilker, M. (2018). Insectivorous birds are attracted by plant traits induced by insect egg deposition. J. Chem. Ecol. 44: 1127-1138, doi: 10.1007/s10886-018-1034-1.

  • Otte, T., Hilker, M. & Geiselhardt, S. (2018). Phenotypic plasticity of cuticular hydrocarbon profiles in insects. J. Chem. Ecol. 44: 235-247, doi: 10.1007/s10886-018-0934-4.

  • Paniagua Voirol, L.R., Frago, E., Kaltenpoth, M., Hilker, M. & Fatouros, N.E. (2018). Bacterial symbionts in Lepidoptera: Their diversity, transmission, and impact on the host. Front. Microbiol. 9: 556, doi: 10.3389/fmicb.2018.00556.

  • Weinhold, A. (2018). Transgenerational stress-adaption: an opportunity for ecological epigenetics. Plant Cell Rep. 37: 3-9, doi: 10.1007/s00299-017-2216-y.


  • Bittner, N., Trauer-Kizilelma, U. & Hilker, M. (2017). Early plant defence against insect attack: involvement of reactive oxygen species in plant responses to insect egg deposition. Planta 245: 993-1007, doi: 10.1007/s00425-017-2654-3.

  • Fürstenau, B. & Hilker, M. (2017). Cuticular hydrocarbons of Tribolium confusum larvae mediate trail following and host recognition in the ectoparasitoid Holepyris sylvanidis. J. Chem. Ecol. 43: 858-868, doi: 10.1007/s10886-017-0885-1.

  • Griese, E., Dicke, M., Hilker, M. & Fatouros, N.E. (2017). Plant response to butterfly eggs: inducibility, severity and success of egg-killing leaf necrosis depends on plant genotype and egg clustering. Sci. Rep. 7: 7316, doi: 10.1038/s41598-017-06704-z.

  • Herbst, C., Arnold-Schwandner, S., Meiners, T., Peters, M.-K., Rothenwöhrer, R., Steckel, J., Wäschke, J., Westphal, C. & Obermaier, E. (2017). Direct and indirect effects of agricultural intensification on a host-parasitoid system on the ribwort plantain (Plantago lanceolata L.) in a landscape context. Landscape Ecol. 32: 2015-2028, doi: 10.1007/s10980-017-0562-3.

  • Mäntylä, E., Kleier, S., Kipper, S. & Hilker, M. (2017). The attraction of insectivorous tit species to herbivore-damaged Scots pines. J. Ornithol. 158: 479-491, doi: 10.1007/s10336-016-1412-9.


  • Austel, N., Eilers, E.J, Meiners, T. & Hilker, M. (2016). Elm leaves “warned” by insect egg deposition reduce survival of hatching larvae by a shift in their quantitative leaf metabolite pattern. Plant, Cell & Environ. 39: 366-376, doi: 10.1111/pce.12619.

  • Bandoly, M., Grichnik, R., Hilker, M. & Steppuhn, A. (2016). Priming of anti-herbivore defence in Nicotiana attenuata by insect oviposition: Herbivore specific effects. Plant, Cell & Environ. 39: 848-859, doi: 10.1111/pce.12677.

  • Büchel, K., Fenning, T., Gershenzon, J., Hilker, M. & Meiners, T. (2016). Elm defence against herbivores and pathogens: Morphological, chemical and molecular regulation aspects. Phytochem. Rev. 15: 961-983, doi: 10.1007/s11101-015-9442-0.

  • Eilers, E.J., Veit, D., Rillig, M.C., Hansson, B.S., Hilker, M. & Reinecke, A. (2016). Soil substrates affect responses of root feeding larvae to their hosts at multiple levels: orientation, locomotion and feeding. Basic Appl. Ecol. 17: 115-124, doi: 10.1016/j.baae.2015.09.006.

  • Firtzlaff, V., Oberländer, J., Geiselhardt, S., Hilker, M. & Kunze, R. (2016). Pre-exposure of Arabidopsis to the abiotic or biotic environmental stimuli ´chilling´ or ´insect eggs´ exhibits different transcriptomic responses to herbivory. Sci. Rep. 6: 28544, doi: 10.1038/srep28544.

  • Fürstenau, B., Adler, C., Schulz, H. & Hilker, M. (2016). Host habitat volatiles enhance the olfactory response of the larval parasitoid Holepyris sylvanidis to specifically host-associated cues. Chem. Sens. 41: 611-621, doi: 10.1093/chemse/bjw065.

  • Hilker, M. (2016). Früherkennung von Insektenbefall: Eiablagen mobilisieren die pflanzliche Verteidigung. In: Bayerische Akademie der Wissenschaften (Hrsg.): Die Sprache der Moleküle – Chemische Kommunikation in der Natur. Vol. 45. Rundgespräche Forum Ökologie, pp. 29-38. Verlag Pfeil, München.

  • Hilker, M. & Fatouros, N.E. (2016). Resisting the onset of herbivory: plants perceive and respond to insect eggs. Curr. Opin. Plant Biol. 32: 9-16, doi: 10.1016/j.pbi.2016.05.003.

  • Hilker, M., Schwachtje, J., Baier, M., Balazadeh, S., Bäurle, I., Geiselhardt, S., Hincha, D.K., Kunze, R., Mueller-Roeber, B., Rillig, M.C., Romeis, T., Schmülling, T., Steppuhn, A., van Dongen, J., Whitcomb, S.J., Wurst, S., Zuther, E. & Kopka, J. (2016). Priming and memory of stress responses in organisms lacking a nervous system. Biol. Rev. 91: 1118-1133, doi: 10.1111/brv.12215.

  • Meiners, T. (2016). Ecological role of odour diversity. In: J. D. Blande & R. Glinwood (Eds.), Deciphering chemical language of plant communication, pp. 137-151. Springer International Publishing.

  • Otte, T., Hilker, M. & Geiselhardt, S. (2016). Phenotypic plasticity of mate recognition systems prevents sexual interference between two sympatric leaf beetle species. Evolution 70: 1819-1828, doi: 10.1111/evo.12976.

  • Sas, C., Müller, F., Kappel, C., Tyler, V.K., Wright, S.I., Hilker, M. & Lenhard, M. (2016). Repeated inactivation of the first committed enzyme underlies the loss of benzaldehyde emission after the selfing transition in Capsella. Curr. Biol. 26: 3313-3319, doi: 10.1016/j.cub.2016.10.026.


  • Austel, N., Reinecke, A., Björkman, C., Hilker, M. & Meiners, T. (2015). Phenotypic plasticity in a willow leaf beetle depends on host plant species: Release and recognition of beetle odors. Chem. Sens. 40: 109-124, doi: 10.1093/chemse/bju065.

  • Bandoly, M., Hilker, M. & Steppuhn, A. (2015). Oviposition by Spodoptera exigua on Nicotiana attenuata primes induced plant defence against larval herbivory. Plant J. 83: 661-672, doi: 10.1111/tpj.12918.

  • Eilers, E.J., Pauls, G., Rillig, M.C., Hansson, B.S., Hilker, M. & Reinecke, A. (2015). Novel set-up for low-disturbance sampling of volatile and non-volatile compounds from plant roots. J. Chem. Ecol. 41: 253-266, doi: 10.1007/s10886-015-0559-9.

  • Fürstenau, B., Quero, C., Riba, J.M., Rosell, G. & Guerrero, A. (2015). Field trapping of the flathead oak borer Coroebus undatus (Coleoptera: Buprestidae) with different traps and volatile lures. Insect Sci. 22: 139-149, doi: 10.1111/1744-7917.12138.

  • Geiselhardt, S., Hilker, M., Müller, F., Kozlov, M.V. & Zvereva, E. (2015). Inter- and intrapopulation variability in the composition of larval defensive secretions of willow-feeding populations of the leaf beetle Chrysomela lapponica. J. Chem. Ecol. 41: 276-286, doi: 10.1007/s10886-015-0558-x.

  • Hilker, M. & Fatouros, N.E. (2015). Plant responses to insect egg deposition. Annu. Rev. Entomol. 60: 493-515, doi: 10.1146/annurev-ento-010814-020620.

  • Meiners, T. (2015). Chemical ecology and evolution of plant-insect interactions: a multitrophic perspective. Curr. Opin. Insect Sci. 8: 22-28, doi: 10.1016/j.cois.2015.02.003.

  • Otte, T., Hilker, M. & Geiselhardt, S. (2015). The effect of dietary fatty acids on the cuticular hydrocarbon phenotpye of an herbivorous insect and consequences for mate recognition. J. Chem. Ecol. 41: 32-43, doi: 10.1007/s10886-014-0535-9.

  • Salazar, A., Fürstenau, B., Quero, C., Pérez-Hidalgo, N., Carazo, P., Font, E. & Martinez-Torres, D. (2015). Aggressive mimicry coexists with mutualism in an aphid. Proc. Natl. Acad. Sci. USA 112: 1101-1106, doi: 10.1073/pnas.1414061112.

  • Schmidt, W., Schulze, T.M., Brasse, G., Nagrodzka, E., Maczka, M., Zettel, J., Jones, P.G., Grunenberg, J., Hilker, M., Trauer-Kizilelma, U., Braun, U. & Schulz, S. (2015). Sigillin A, a unique polychlorinated arthropod deterrent from the snow flea Ceratophysella sigillata. Angew. Chem. 54: 7698-7702, doi: 10.1002/anie.201501719.

  • Trauer-Kizilelma, U. & Hilker, M. (2015). Impact of transgenerational immune priming on the defence of insect eggs against parasitism. Dev. Comp. Immunol. 51: 126-133, doi: 10.1016/j.dci.2015.03.004.

  • Trauer-Kizilelma, U. & Hilker, M. (2015). Insect parents improve the anti-parasitic and anti-bacterial defence of their offspring by priming the expression of immune-relevant genes. Insect Biochem. Mol. Biol. 24: 91-99, doi: 10.1016/j.ibmb.2015.08.003.

  • Wäschke, N., Hancock, C., Hilker, M., Obermaier, E. & Meiners, T. (2015). Does vegetation complexity affect host plant chemistry, and thus multitrophic interactions, in a human-altered landscape? Oecologia 179: 281-292, doi: 10.1007/s00442-015-3347-x.


  • Achatz, M., Morris, E.K., Müller, F., Hilker, M. & Rillig, M. (2014). Soil hypha mediated movement of allelochemicals: arbuscular mycorrhizae extend the bioactive zone of juglone. Funct. Ecol. 28: 1020-1029, doi: 10.1111/1365-2435.12208.

  • Austel, N., Björkman, C., Hilker, M. & Meiners, T. (2014). Phenotypic plasticity in host plant preference of the willow leaf beetle Phratora vulgatissima: The impact of experience made by adults. Agric.Forest Entomol. 16: 417-425, doi: 10.1111/afe.12071.

  • Beyaert, I. & Hilker, M. (2014). Plant odour plumes as mediators of plant-insect interactions. Biol. Rev. 89: 68-81, doi: 10.1111/brv.12043.

  • Büchel, K., Austel, N., Mayer, M., Gershenzon, J., Fenning, T. & Meiners, T. (2014). Smelling the tree and the forest - elm background odours affect egg parasitoid orientation to herbivore induced terpenoids. BioControl. 59: 29-43, doi: 10.1007/s10526-013-9544-9.

  • Hilker, M. (2014). New synthesis: Parallels between biodiversity and chemodiversity. J. Chem. Ecol. 40: 225-226, doi: 10.1007/s10886-014-0402-8.

  • Morris, K., Caruso, T., Buscot, F., Fischer, M., Hancock, C., Maier, T., Meiners, T., Müller, C., Obermaier, E., Prati, D., Socher, S., Sonnemann, I., Wäschke, N., Wubet, T., Wurst, S. & Rillig, M. (2014). Choosing and using diversity indices: insights for ecological applications from the German Biodiversity Exploratories. Ecol. Evol. 4: 3514–3524, doi: 10.1002/ece3.1155.

  • Reinecke, A. & Hilker, M. (2014).  Plant semiochemicals – perception and behavioural responses by insects. Annu. Plant Rev. 47: 115-154, doi: 10.1002/9781119312994.apr0505. In: Insect-Plant Interactions. C. Voelckel & G. Jander (eds.). Wiley.

  • Wäschke, N., Hardge, K., Hancock, C., Hilker, M. Obermaier, E. & Meiners, T. (2014). Habitats as complex odorous environments: How does plant diversity affect orientation of insects? PLoS ONE 9: e85152, doi: 10.1371/journal.pone.0085152.


  • Faucher, C.P., Hilker, M. & De Bruyne, M. (2013). Interactions of carbon dioxide and food odours in Drosophila: olfactory hedonics and sensory neuron properties. PLoS ONE 8: e56361, doi: 10.1371/journal.pone.0056361.

  • Geiselhardt, S., Yoneya, K., Blenn, B., Drechsler, N., Gershenzon, J., Kunze, R. & Hilker, M. (2013). Egg laying of Cabbage White Butterfly (Pieris brassicae) on Arabidopsis thaliana affects subsequent performance of the larvae. PLoS ONE 8: e59661, doi: 10.1371/journal.pone.0059661.

  • Hancock, C., Wäschke, N., Schumacher, U., Linsenmair, K.E., Meiners, T. & Obermaier, E. (2013). Fertilizer application decreases insect abundance on Plantago lanceolata – a large scale experiment in three geographic regions. Arthropod - Plant Interact. 7: 147-158, doi: 10.1007/s11829-012-9237-9.

  • Herbst, C., Wäschke, N., Barto, E.K., Arnold, S., Geuß, D., Halboth, I., Reschke, S., Meiners, T. & Obermaier, E. (2013) Land use intensification in grasslands: higher trophic levels are more negatively affected than lower trophic levels. Entomol. Exp. Appl. 147: 269-281, doi: 10.1111/eeea.12072.

  • Hilker, M. (2013). Insekten als Schädlinge an Kulturpflanzen. In: Lehrbuch der Phytomedizin. H.-M. Poehling & J.-A. Verreet (eds). Ulmer, Stuttgart, pp. 324-342.

  • Meiners, T. & Peri, E. (2013). Chemical ecology of insect parasitoids: essential elements for developing effective biological control programmes. In: Wajnberg, E. & Colazza, S. (Eds.), Chemical Ecology of Insect Parasitoids. Wiley-Blackwell. pp 193-224. (Link)

  • Morris, K.E., Buscot, F., Herbst, C., Meiners, T., Obermaier, E., Wäschke, N., Wubet, T. & Rillig, M.C. (2013). Land use and host neighbor identity effects on arbuscular mycorrhizal fungal community composition. Biodivers. Conserv. 22: 2193-2205, doi: 10.1007/s10531-013-0527-z.

  • Ott, S.C., Jenett-Siems, K., Siems, K., Müller, F., Hilker, M. & Eich, E. (2013). Ipvelutine, 7ß-Acetoxy-2α-(tigloyloxy)tropane, an unusual tropane alkaloid from Ipomoea velutina R. BR. (Convolvulaceae). Sci. Pharm. 81: 543-548, doi: 10.3797/scipharm.1303-13.

  • Trauer, U. & Hilker, M. (2013). Parental legacy in insects: Variation of transgenerational immune priming during offspring development. PLoS ONE 8: e63392, doi: 10.1371/journal.pone.0063392.

  • Wäschke, N., Meiners, T. & Rostas, M. (2013). Foraging strategies of insect parasitoids in complex chemical environments. In: Wajnberg, E. & Colazza, S. (Eds.), Chemical Ecology of Insect Parasitoids. Wiley-Blackwell. pp 37-63. (Link)


  • Beyaert, I., Köpke, D., Stiller, J., Hammerbacher, A., Yoneya, K., Schmidt, A., Gershenzon, J. & Hilker, M. (2012). Can insect egg deposition „warn“ a plant of future feeding damage by herbivorous larvae? Proc. Roy. Soc. London, Ser. B 279: 101-108, doi: 10.1098/rspb.2011.0468.

  • Blenn, B., Bandoly, M., Küffner, A., Otte, T., Geiselhardt, S., Fatouros, N.E. & Hilker, M. (2012). Insect egg deposition induces indirect defense and epicuticular wax changes in Arabidopsis thaliana. J. Chem. Ecol. 38: 882-892, doi: 10.1007/s10886-012-0132-8.

  • Büchel, K., McDowell, E., Nelson, W., Descour, A., Gershenzon, J., Hilker, M., Soderlund, C., Gang, D.R., Fenning, T. & Meiners, T. (2012). An elm EST database for identifying leaf beetle egg-induced defense genes. BMC Genomics 13: 242, doi: 10.1186/1471-2164-13-242.

  • Eilers, E.J., Talarico, G., Hansson, B.S., Hilker, M. & Reinecke, A. (2012). Sensing the underground - ultrastructure and function of sensory organs in root feeding Melolontha melolontha (Coleoptera: Scarabaeinae) larvae. PLoS ONE 7: e41357, doi: 10.1371/journal.pone.0041357.

  • Geiselhardt, S., Otte, T. & Hilker, M. (2012). Looking for a similar partner: host plants shape mating preferences of herbivorous insects by altering their contact pheromones. Ecol. Lett. 15: 971-977, doi: 10.1111/j.1461-0248.2012.01816.x.

  • Schöning, C., Gisder, S., Geiselhardt, S., Kretschmann, I., Bienefeld, K., Hilker, M. & Genersch, E. (2012). Evidence for damage-dependent hygienic behaviour towards Varroa destructor-parasitised brood in the western honey bee Apis mellifera. J. Exp. Biol. 215: 264-271, doi: 10.1242/jeb.062562.


  • Barto, E.K., Hilker, M., Müller, F., Mohney, B.K., Weidenhamer, J.D. & Rillig, M.C. (2011). The fungal fast lane: Common mycorrhizal networks extend bioactive zones of allelochemicals in soils. PLoS ONE 6: e27195, doi: 10.1371/journal.pone.0027195

  • Büchel, K., Malskies, S., Mayer, M., Fenning, T.M., Gershenzon, J., Hilker, M. & Meiners, T. (2011). How plants give early herbivore alert: Volatile terpenoids attract parasitoids to egg-infested elms. Basic Appl. Ecol. 12: 403-412, doi: 10.1016/j.baae.2011.06.002.

  • Geiselhardt, S.F., Geiselhardt, S. & Peschke, K. (2011). Congruence of epicuticular hydrocarbons and tarsal secretions as a principle in beetles. Chemoecology 21: 181, doi: 10.1007/s00049-011-0077-3.

  • Hilker, M. & Meiners, T. (2011). Plants and insect eggs: How do they affect each other? Phytochemistry 72: 1612-1623, doi: 10.1016/j.phytochem.2011.02.018.

  • Voigt, C., Meiners, T., Ter Maat, A. & Leitner, S. (2011). Multisensory non-photoperiodic cue advances the onset of seasonal breeding in island canaries (Serinus canaria) J. Biol. Rhythms 26: 434-440, doi: 10.1177/0748730411414334.


  • Beyaert, I., Wäschke, N., Scholz, A., Varama, M., Reinecke, A. & Hilker, M. (2010). Relevance of resource-indicating key volatiles and habitat odour for insect orientation. Animal Behav. 79: 1077-1086, doi: 10.1016/j.anbehav.2010.02.001.

  • Collatz, J., Fuhrmann, A., Selzer, P., Oehme, R.M., Hartel, K., Kimming, P., Meiners, T., Mackenstedt, U. & Steidle, J.L.M. (2010). Being a parasitoid of parasites: Host finding in the tick wasp Ixodiphagus hookeri (Howard) reliable odours from mammals. Entomol. Exp. Appl. 134: 131-137, doi: 10.1111/j.1570-7458.2009.00943.x.

  • Geiselhardt, S.F., Federle, W., Prüm, B., Geiselhardt, S., Lamm, S. & Peschke, K. (2010). Impact of chemical manipulation of tarsal liquids on attachment in the Colorado potato beetle, Leptinotarsa decemlineata. J. Insect Physiol. 56: 398-404, doi: 10.1016/j.jinsphys.2009.11.016.

  • Harz, M., Müller, F. & Rademacher, E. (2010). Organic acids: Acute toxicity on Apis mellifera and recovery in the haemolymph. J. Apicult. Research 49: 95-96, doi: 10.3896/IBRA.

  • Hilker, M. & Meiners, T. (2010). How do plants «notice» attack by herbivorous arthropods? Biol. Rev. 85: 267-280, doi: 10.1111/j.1469-185X.2009.00100.x.

  • Köpke, D., Beyaert, I., Gershenzon, J., Hilker, M. & Schmidt. A. (2010). Species-specific responses of pine sesquiterpene synthases to sawfly oviposition. Phytochemistry 71: 909-917, doi: 10.1016/j.phytochem.2010.03.017.

  • Randlkofer, B., Obermaier, E., Casas, J. & Meiners, T. (2010). Connectivity counts - disentangling effects of vegetation structure elements on the searching movement of a parasitoid. Ecol. Entomol. 35:446-455, doi: 10.1111/j.1365-2311.2010.01200.x.

  • Randlkofer, B., Obermaier, E., Hilker, M. & Meiners, T. (2010). Vegetation complexity - The influence of plant species diversity and plant structures on plant chemical complexity and arthropods. Basic Appl. Ecol. 11: 383-395, doi: 10.1016/j.baae.2010.03.003.

  • Steppuhn, A., Gaquerel, E. & Baldwin, I. T. (2010). The two alpha-dox genes of Nicotiana attenuata: overlapping but distinct functions in development and stress responses. BMC Plant Biol. 10: 171, doi: 10.1186/1471-2229-10-171.

  • Zvereva, E.L., Kozlov, M.V. & Hilker, M. (2010). Evolutionary variations on a theme: host plant specialization in five geographical populations of the leaf beetle Chrysomela lapponica. Popul. Ecol. 52: 389-396, doi: 10.1007/s10144-010-0200-2.


  • Fatouros, N.E., Pashalidou, F.G., Aponte Codero, W.V., van Loon, J.J.A., Mumm, R., Dicke, M., Hilker, M. & Huigens, M.E. (2009). Anti-aphrodisiac compounds of male butterflies increase the risk of egg parasitoid attack by inducing plant synonome production. J. Chem. Ecol. 35: 1372-1381, doi: 10.1007/s10886-009-9714-5.

  • Geiselhardt, S., Otte, T. & Hilker, M. (2009). The role of cuticular hydrocarbons in male mating behavior of the Mustard leaf beetle, Phaedon cochleariae (F.). J. Chem. Ecol. 35: 1162-1171, doi: 10.1007/s10886-009-9704-7.

  • Geiselhardt, S., Schmitt, T. & Peschke, K. (2009). Chemical composition and pheromonal function of the defensive secretions in the subtribe Stizopina (Coleptera, Tenebrionidae, Opatrini). Chemoecology 19: 1-6, doi: 10.1007/s00049-008-0001-7.

  • Geiselhardt, S.F., Geiselhardt, S. & Peschke, K. (2009). Comparison of tarsal and cuticular chemistry in the leaf beetle Gastrophysa viridula (Coleoptera: Chrysomelidae) and an evaluation of solid-phase microextraction and solvent extraction techniques. Chemoecology 19: 185-193, doi: 10.1007/s00049-009-0021-y.

  • Randlkofer, B., Jordan, F., Mitesser, O., Meiners, T. & Obermaier, E. (2009). Effects of vegetation density, height and connectivity on oviposition patterns of the leaf beetle Galeruca tanaceti L. (Coleoptera: Chrysomelidae) Entomol. Exp. Appl. 132: 134-146, doi: 10.1111/j.1570-7458.2009.00872.x.

  • Ruther, J., Matschke, M., Garbe, L.-A. & Steiner, S. (2009). Quantity matters: male sex pheromone signals mate quality in Nasonia vitripennis. Proc. R. Soc. Lond. B 276: 3303-3310, doi: 10.1098/rspb.2009.0738.

  • Ruther, J. (2009). Attraktans für Gartenlaubkäfer. Deutsches Patent Nr. 10 2004 004900.9

  • Schurmann, D., Collatz, J., Hagenbucher, S., Ruther, J. & Steidle, J.L.M. (2009). Olfactory host finding, intermediate memory and its potential ecological adaptation in Nasonia vitripennis. Naturwissenschaften 96: 383-391, doi: 10.1007/s00114-008-0490-9.

  • Steiner, S. & Ruther, J. (2009). How important is sex for females of haplodiploid species under local mate competition? Behav. Ecol. 20: 570-574, doi: 10.1093/beheco/arp033.

  • Steiner, S. & Ruther, J. (2009). Mechanism and behavioral context of male sex pheromone release in Nasonia vitripennis. J. Chem. Ecol. 35: 416-421, doi: 10.1007/s10886-009-9624-6.


  • Abdel-latief, M., Garbe, L.-A., Koch, M. & Ruther, J. (2008). An epoxide hydrolase involved in the biosynthesis of an insect sex attractant and its use to localize the production site. Proc. Natl. Acad. Sci., USA 105: 8914-8919, doi: 10.1073/pnas.0801559105.

  • Abdel-latief, M. & Hilker, M. (2008). Innate immunity: eggs of Manduca sexta are able to respond to parasitism by Trichogramma evanescens. Insect Biochem. Mol. Biol. 38: 136-145, doi: 10.1016/j.ibmb.2007.10.001.

  • Fatouros, N.E., Broekgaarden, C., Bukovinszkine'Kiss, G., Van Loon, J.J.A., Mumm, R., Huigens, M.E., Dicke, M. & Hilker, M. (2008). Male-derived butterfly anti-aphrodisiac mediates induced indirect plant defense. Proc. Natl. Acad. Sci., USA 105: 10033-10038, doi: 10.1073/pnas.0707809105.

  • Fatouros, N.E., Dicke, M., Mumm, R., Meiners, T. & Hilker, M. (2008). Foraging behavior of egg parasitoids exploiting chemical information. Behav. Ecol. 19: 677-685, doi: 10.1093/beheco/arn011.

  • Geiselhardt, S., Jakobschy, D., Ockenfels, P. & Peschke, K. (2008). A sex pheromone in the desert tenebrionid beetle Parastizopus armaticeps. J. Chem. Ecol. 34: 1065-1071, doi: 10.1007/s10886-008-9488-1.

  • Geiselhardt, S., Ockenfels, P. & Peschke, K. (2008). 1-Tridecene: male-produced sex pheromone of the tenebrionid beetle Parastizipus transgariepinus. Naturwissenschaften 95: 247-251, doi: 10.1007/s00114-007-0312-5

  • Köpke, D., Schröder, R., Fischer, H.M., Gershenzon, J., Hilker, M. & Schmidt, A. (2008). Does egg deposition by herbivorous pine sawfly affect transcription of sesquiterpene synthases in pine?. Planta 228: 427-438, doi: 10.1007/s00425-008-0747-8.

  • Obermaier, E., Heisswolf, A., Poethke, H.J., Randlkofer, B. & Meiners, T. (2008). Plant architecture and vegetation structure: Two ways for insect herbivores to escape parasitism. Europ. J. Entomol. 105: 233-240, doi: 10.14411/eje.2008.033.

  • Pankewitz, F. & Hilker, M. (2008). Polyketides in insects: ecological role of these widespread chemicals and evolutionary aspects of their biogenesis. Biol. Rev. 83: 209-226, doi: 10.1111/j.1469-185X.2008.00040.x.

  • Reinecke, A., Müller, F. & Hilker, M. (2008). Attractiveness of CO2 released by root respiration fades on the background of root exudates. Basic Appl. Ecol. 9: 568-576, doi: 10.1016/j.baae.2007.10.002.

  • Ruther, J., Steiner, S. & Garbe, L.A. (2008). 4-Methylquinazoline is a minor component of the male sex pheromone in Nasonia vitripennis. J. Chem. Ecol. 34: 99-102, doi: 10.1007/s10886-007-9411-1.

  • Ruther, J. & Steiner, S. (2008). Costs of female odor in males of the parasitic wasp Lariophagus distinguendus (Hymenoptera: Pteromalidae). Naturwissenschaften 95: 547-552, doi: 10.1007/s00114-008-0357-0.

  • Schröder, R. & Hilker, M. (2008). The relevance of background odor in resource location by insects: a behavioral approach. BioScience 58: 308-316, doi: 10.1641/B580406.

  • Schröder, R., Wurm, L., Varama, M., Meiners, T. & Hilker, M. (2008). Unusual mechanisms involved in learning of oviposition-induced host plant odours in an egg parasitoid? Animal Behav. 75: 1423-1430, doi: 10.1016/j.anbehav.2007.09.016.

  • Steiner, S., Henrich, N. & Ruther, J. (2008). Mating with sperm-depleted males does not increase female mating frequency in the parasitoid Lariophagus distinguendus. Entomol. Exp. Appl. 126: 131-137, doi: 10.1111/j.1570-7458.2007.00641.x.

  • Strohm, E., Herzner, G., Kaltenpoth, M., Boland, W., Schreier, P., Geiselhardt, S., Peschke, K. & Schmitt, T. (2008). The chemistry of the postpharyngeal gland of female European beewolves. J. Chem. Ecol. 34: 575-583, doi: 10.1007/s10886-008-9447-x.


  • Abdel-latief (2007). A family of chemoreceptors in Tribolium castaneum (Tenebrionidae: Coleoptera). Plos One 12: e1319, doi: 10.1371/journal.pone.0001319.

  • Bünnige, M., Hilker, M. & Dobler, S. (2007). Convergent evolution of chemical defense in Galerucine larvae. Biol. J. Linn. Soc. 93: 165-175, doi: 10.1111/j.1095-8312.2007.00912.x.

  • Fatouros N.E., Bukovinszkine'Kiss, G., Dicke, M. & Hilker, M. (2007). The response specifity of Trichogramma egg parasitoids towards infochemicals during host location. J. Ins. Behav. 20: 53-65, doi: 10.1007/s10905-006-9062-z.

  • Fernandez, P. & Hilker, M. (2007). Host plant location by Chrysomelidae. Basic Appl. Ecol. 8: 97-116, doi: 10.1016/j.baae.2006.05.001.

  • Fernandez, P.C., Meiners, T., Björkmann, C. & Hilker, M. (2007). Electrophysiological responses of the blue willow leaf beetle, Phratora vulgatissima, to volatiles of different Salix viminalis genotypes. Entomol. Exp. Appl. 125: 157-164, doi: 10.1111/j.1570-7458.2007.00611.x.

  • Gross, J., Fatouros, N.E., Neuvonen, S. & Hilker, M. (2007). The role of competitors for Chrysomela lapponica, a north Eurasian willow pest, in pioneering a new host plant. J. Pest Sci. 80: 139-143, doi: 10.1007/s10340-007-0165-x.

  • Hilker, M. & McNeil, J. (2007). Chemical and behavioral ecology in insect parasitoids: how to behave optimally in a complex odorous environment. In: Behavioral Ecology of Insect Parasitoids, pp. 92-112, doi: 10.1002/9780470696200.ch5. Wajnberg, E., Bernstein, C. & van Alphen, J. (eds.). Blackwell Publishing.

  • Kock, D., Ruther, J. & Sauer, K.P. (2007). A male sex pheromone in a scorpionfly. J. Chem. Ecol. 33: 1249-1256, doi: 10.1007/s10886-007-9304-3.

  • Ott, S.C., Tofern-Reblin, B., Jenett-Siems, K., Siems, K., Müller, F., Hilker, M., Onegi, B., Witte, L. & Eich, E. (2007). Unusual tropane alkolaoid pattern in two African convolvulaceous species. Z. Naturf.62b: 285-288, doi: 10.1515/znb-2007-0223.

  • Pankewitz, F., Zöllmer, A., Gräser, Y. & Hilker, M. (2007). Anthraquinones as defensive compounds in eggs of Galerucini leaf beetles: Biosynthesis by the beetles. Arch. Insect Biochem. Physiol. 66: 98-108, doi: 10.1002/arch.20215.

  • Pankewitz, F., Zöllmer, A., Hilker, M. & Gräser, Y. (2007). Presence of Wolbachia in insect eggs containing antimicrobially active anthraquinones. Microbial Ecol. 54: 713-721, doi: 10.1007/s00248-007-9230-5.

  • Randlkofer, B., Obermaier, E. & Meiners, T. (2007). Mother's choice of the oviposition site: balancing risk of egg parasitism and need of food supply for the progeny with an infochemical shelter? Chemoecology 17: 177-186, doi: 10.1007/s00049-007-0377-9.

  • Ruther, J., Stahl, L.M., Steiner, S., Garbe, L.A. & Tolasch, T. (2007). A male sex pheromone in a parasitic wasp and control of the behavioral response by the female mating status. J. Exp. Biol. 210: 2163-2169, doi: 10.1242/jeb.02789.

  • Schröder, R., Cristescu, S.M., Harren, F.J.M. & Hilker, M. (2007). Reduction of ethylene emission from scots pine induced by insect egg depositon. J. Exp. Botany 58: 1835-1842, doi: 10.1093/jxb/erm044.

  • Steiner, S., Erdmann, D., Steidle, J.L.M. & Ruther, J. (2007). Host habitat assessment by a parasitoid using fungal volatiles. Front. Zool. 4: 3, doi: 10.1186/1742-9994-4-3.

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  • Steiner, S., Steidle, J.L.M. & Ruther, J. (2007). Host-associated kairomones used for habitat orientation in the parasitoid Lariophagus distinguendus (Hymenoptera: Pteromalidae). J. Stored Prod. Res. 43: 587-593, doi: 10.1016/j.jspr.2007.03.009.


  • Bringmann, G., Noll, T.F., Gulder, T.A.M., Gruene, M., Dreyer, M., Wilde, C., Pankewitz, F., Hilker, M., Payne, G.D., Jones, A.L., Goodfellow, M. & Fiedler, H.P. (2006). Different polyketide folding modes converge to an identical molecular architecture. Nature Chem. Biol. 2: 429-433, doi: 10.1038/nchembio805.

  • Fatouros, N.E., Hilker, M., & Gross, J. (2006). Reproductive isolation between populations from Northern and Central Europe of the leaf beetle Chrysomela lapponica L.. Chemoecology 16: 241-251, doi: 10.1007/s00049-006-0359-3.

  • Faucher, C., Forstreuter, M., Hilker, M. & De Bruyne (2006). Behavioral response of Drosophila to biogenic levels of carbon dioxide depends on life stage, sex, and olfactory context. J. Exp. Biol. 209: 2739-2748, doi: 10.1242/jeb.02297.

  • Hilker, M. & Meiners, T. (2006). Early herbivore alert: Insect eggs induce plant defense. J. Chem. Ecol. 32: 1379-1397, doi: 10.1007/s10886-006-9057-4.

  • Meiners, T. Hammer, B., Göbel, U.B. & Kahl, O. (2006). Determining the tick scutal index allows assessment of tick feeding duration and estimation of infection risk with Borrelia burgdorferi sensu lato in a person bitten by an Ixodes ricinus nymph. Int. J. Med. Microbiol. 296: 103-107, doi: 10.1016/j.ijmm.2006.01.048.

  • Meiners, T., Randlkofer, B. & Obermaier, E. (2006). Oviposition at low temperatures - late season negatively affects the leaf beetle Galeruca tanaceti (Coleoptera: Chrysomelidae) but not its specialised egg parasitoid Oomyzus galerucivorus (Hymenoptera: Eulophidae). Europ. J. Entomol. 103: 765-770, doi: 10.14411/eje.2006.103.

  • Mumm, R. & Hilker, M. (2006). Direct and indirect chemical defence of pine against folivorous insects. Trends Plant Science 11: 351-358, doi: 10.1016/j.tplants.2006.05.007.

  • Obermeier, E., H. A., Randlkofer, B. & Meiners, T. (2006). Enemies in low places - Insects avoid winter mortality and egg parasitism by modulating oviposition height. Bull. Entomol. Res. 96: 337-343, doi: 10.1079/BER2006431.

  • Pankewitz, F. & Hilker, M. (2006). Defensive components in insect eggs: Are anthraquinones produced during egg development? J. Chem. Ecol. 32: 2067-2072, doi: 10.1007/s10886-006-9129-5.

  • Reinecke, A., Ruther, J. & Hilker, M. (2006). Precopulatory isolation in Melolontha cockchafers? Agric. Forest Entomol. 8: 289-203, doi: 10.1111/j.1461-9563.2006.00307.x.

  • Reinecke, A., Ruther, J., Mayer, C.J. & Hilker, M. (2006). Optimized trap lure for male Melolontha cockchafers. J. Appl. Entomol. 130: 171-176, doi: 10.1111/j.1439-0418.2006.01041.x.

  • Spiewok, S., Schmolz, E. & Ruther, J. (2006). The mating system of the European hornet Vespa crabro: Male seeking strategies and evidence for the involvement of a sex pheromone. J. Chem. Ecol. 32: 2777-2788, doi: 10.1007/s10886-006-9162-4.

  • Steiner, S., Hermann, N. & Ruther, J. (2006). Characterization of a female courtship pheromone in the parasitoid Nasonia vitripennis. J. Chem. Ecol. 32: 1687-1702, doi: 10.1007/s10886-006-9102-3.


  • Bünnige, M. & Hilker, M. (2005). Do “glanduliferous” larvae of Galerucinae (Coleoptera, Chrysomelidae) possess defensive glands? A SEM study. Zoomorphology 124: 111-119, doi: 10.1007/s00435-005-0116-0.

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  • Fatouros, N.E., Huigens, M.E., Van Loon, J.J.E., Dicke, M. & Hilker, M. (2005). Chemical communication: butterfly anti-aphrodisiac lures parasitic wasps. Nature 433: 704, doi: 10.1038/433704a.

  • Hilker, M., Stein, C., Schröder, R., Varama, M. & Mumm, R. (2005). Insect egg deposition induces defence responses in Pinus sylvestris: Characterization of the elicitor. J. Exp. Biol. 208: 1849-1854, doi: 10.1242/jeb.01578.

  • Jenett-Siems, K., Ott, S.C., Schimming, T., Siems, K., Müller, F., Hilker, M., Witte, L., Hartmann, T., Austin, D.F. & Eich, E. (2005). Ipangulines and minalobines, chemotaxonomic markers of the infrageneric Ipomoea taxon subgenus Quamoclit, section Mina. Phytochemistry 66: 223-231, doi: 10.1016/j.phytochem.2004.11.019.

  • Jenett-Siems, K., Weigl, R., Böhm, A., Mann, P., Tofern-Reblin, B., Ott, S.c., Ghomian, A., Kaloga, M., Siems, K., Witte, L., Hilker, M., Müller, F. & Eich, E. (2005). Chemotaxonomy of the pantropical genus Meremia (Convolvulaceae) based on the distribution of tropane alkaloids. Phytochemistry 66: 1448-1464, doi: 10.1016/j.phytochem.2005.04.027.

  • Meiners, T., Hacker, N.K., Anderson, P., & Hilker, M. (2005). Response of the elm leaf beetle to host plants induced by oviposition and feeding: the infestation rate matters. Entomol. Exp. Appl. 115: 171-177, doi: 10.1111/j.1570-7458.2005.00280.x.

  • Mumm, R. & Hilker, M. (2005). The significance of background odour for an egg parasitoid. Chem. Senses 30: 1-7. doi: 10.1093/chemse/bji028.

  • Mumm, R., Tiemann, T., Varama, M. & Hilker M. (2005). Choosy egg parasitoids: Specificity of oviposition-induced pine volatiles exploited by an egg parasitoid of pine sawfly. Entomol. Exp. Appl. 115: 217-225, doi: 10.1111/j.1570-7458.2005.00262.x.

  • Reinecke, A., Ruther, J. & Hilker, M. (2005). Electrophysiological and behavioural response of Melolontha melolontha to saturated and unsaturated aliphatic alcohols. Entomol. Exp. Appl. 115: 33-40, doi: 10.1111/j.1570-7458.2005.00274.x.

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  • Simon, M. & Hilker, M. (2005). Does rust infection of willow affect feeding and oviposition behavior of willow leaf beetles? J. Ins. Behav. 18:115-129, doi: 10.1007/s10905-005-9351-y.

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  • Gross, J., Fatouros, N.E. & Hilker, M. (2004). The significance of bottom-up effects for host plant specialization in Chrysomela leaf beetles. Oikos 105: 368-376, doi: 10.1111/j.0030-1299.2004.13112.x.

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  • Gross, J., Schmolz, E. & Hilker, M. (2004). Thermal adaptations of the leaf beetle Chrysomela lapponica (Coleoptera: Chrysomelidae) to different climes of Central and Northern Europe. Environ. Entomol. 33: 799-806, doi: 10.1603/0046-225X-33.4.799.

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  • Mumm, R., Tiemann, T., Schulz, S. & Hilker, M. (2004). Analysis of volatiles from black pine (Pinus nigra): significance of wounding and egg deposition by a herbivorous sawfly. Phytochemistry 65: 3221-3230, doi: 10.1016/j.phytochem.2004.10.010.

  • Ruther, J. (2004). Male-biassed response of garden chafer Phyllopertha horticola, to leaf alcohol and attraction of both sexes to floral plant volatiles. Chemoecology 14: 187-192, doi: 10.1007/s00049-004-0271-7.

  • Ruther, J., Reinecke, A. & Hilker, M. (2004). Mate finding in the forest cockchafer, Melolontha hippocastani Fabr., mediated by volatiles. Laimburg Journal 1: 197-199.

  • Ruther, J. & Tolasch, T. (2004). Attraction of garden chafer, Phyllopertha horticola, to floral Japanese beetle lure. J. Appl. Entomol. 128: 158-160, doi: 10.1111/j.1439-0418.2004.00832.x.


  • Dicke, M. & Hilker, M. (2003). Induced plant responses: from molecular to evolutionary biology. Basic Appl. Ecol. 4: 3-14, doi: 10.1078/1439-1791-00129.

  • Meiners, T. & Hilker, M. (2003). Chemical signalling between host plant and egg parasitoid of a galerucine leaf beetle. Proc. FISCB: 227-241.

  • Meiners, T., Wäckers, F. & Lewis, W.J. (2003). Associative learning of complex odors in parasitoid host location. Chem. Senses 28: 231-236, doi: 10.1093/chemse/28.3.231.

  • Müller, C. & Hilker, M. (2003). The advantages and disadvantages of larval abdominal shields on the Chrysomelidae: mini-review. Proc. FISCB: 243-259.

  • Mumm, R., Schrank, K., Wegener, R., Schulz, S. & Hilker, M. (2003). Chemical analysis of volatiles emitted by Pinus sylvestris after induction by insect oviposition. J. Chem. Ecol. 29: 1235-1252, doi: 10.1023/A:1023841909199.

  • Olson, D.M., Rains, G.C., Meiners, T., Takasu, K., Tertuliano, M., Tumlinson, J.H., Wäckers, F.L. & Lewis, W.J. (2003). Parasitic wasps learn and report diverse chemicals with unique conditionable behaviors. Chem. Senses 28: 545-549, doi: 10.1093/chemse/28.6.545.

  • Rostas, M. & Hilker, M. (2003). Indirect interactions between a phytopathogenic and an entomopathogenic fungus. Naturwissenschaften 90: 63-67, doi: 10.1007/s00114-002-0395-y.

  • Rostas, M., Simon, M. & Hilker, M. (2003). Ecological cross effects of induced plant responses towards herbivores and phytopathogenic fungi. Basic Appl. Ecol. 4:43-62, doi: 10.1078/1439-1791-00132.

  • Ruther, J. & Hilker, M. (2003). Attraction of forest cockchafer Melolontha hippocastani to (Z)-3-hexen-1-ol and 1,4-benzoquinone: application aspects. Entomol. Exp. Appl. 107: 141-147, doi: 10.1046/j.1570-7458.2003.00055.x.

  • Simon, M. & Hilker, M. (2003). Herbivores and pathogens on willow: do they affect each other? Agric. Forest Entomol. 5: 275-284, doi: 10.1046/j.1461-9563.2003.00189.x.

  • Steidle, J.L.M., Steppuhn, A. & Ruther, J. (2003). Specific foraging kairomones used by a generalist parasitoid. J. Chem. Ecol. 29: 131-143, doi: 10.1023/A:1021932731350.

  • Steinmetz, I., Schmolz, E. & Ruther, J. (2003). Cuticular lipids as trail pheromone in a social wasp. Proc. R. Soc. Lond. B 270: 385-391, doi: 10.1098/rspb.2002.2256.


  • Blum, M.S. & Hilker, M. (2002). Chemical protection of insect eggs. In: Hilker, M. & Meiners, T. (eds.) Chemoecology of Insect Eggs and Egg Deposition. Blackwell, Berlin, pp. 61-90, doi: 10.1002/9780470760253.ch3.

  • Gross, J., Podsiadlowski, L. & Hilker, M. (2002). Antimicrobial activity of exocrine secretions of Chrysomela larvae. J. Chem. Ecol. 28: 317-332, doi: 10.1023/A:1017934124650.

  • Hilker, M. (2002). Book review on: Chemical Information Transfer between Wounded and Unwounded Plants. Special issue in: Biochem. Syst. Ecol. 29: 979-113. (ed. By Marcel Dicke and Jan Bruin). Entomol. Exp. Appl. 101: 305-306.

  • Hilker, M., Kobs, C., Schrank, K. & Varama, M. (2002). Insect egg deposition induces Pinus to call for egg parasitoids. J. Exp. Biol. 205: 455-461, doi: 10.1242/jeb.205.4.455.

  • Hilker, M. & Meiners, T. (eds.) (2002). Chemoecology of Insect Eggs and Egg Deposition. Blackwell, Berlin. Blackwell, Berlin, 376 pp.

  • Hilker, M., Rohfritsch, O. & Meiners, T. (2002). The plant's response towards insect egg deposition. In: Hilker, M. & Meiners, T. (eds.) Chemoecology of Insect Eggs and Egg Deposition. Blackwell, Berlin, pp. 205-233, doi: 10.1002/9780470760253.ch8.

  • Hilker, M. & Meiners, T. (2002). Induction of plant responses towards oviposition and feeding of herbivorous arthropods: a comparison. Entomol. Exp. Appl. 104: 181-192, doi: 10.1046/j.1570-7458.2002.01005.x.

  • Meiners, T. & Hilker, M. (2002). Plants' defensive responses towards insect oviposition. IOBC Bulletin 25: 165-168.

  • Meiners, T., Wäckers, F. & Lewis, W.J. (2002). The effect of molecule structure on the olfactory discrimination by the parasitoid Microplitis croceipes. Chem. Senses 27: 811-816, doi: 10.1093/chemse/27.9.811.

  • Reinecke, A., Ruther, J., Tolasch, T., Francke, W. & Hilker, M. (2002). Alcoholism in cockchafers: Orientation of male Melolontha melolontha towards green leaf alcohols. Naturwissenschaften 89: 265-269, doi: 10.1007/s00114-002-0314-2.

  • Reinecke, A., Ruther, J. & Hilker, M. (2002). The scent of food and defence: green leaf volatiles and toluquinone as sex attractant mediate mate finding in the European cockchafer Melolontha melolontha. Ecol. Lett. 5: 257-263, doi: 10.1046/j.1461-0248.2002.00318.x.

  • Rostas, M. & Hilker, M. (2002a). Asymmetric plant-mediated cross effects between a herbivorous insect and a phytopathogenic fungus. Agric. Forest Entomol. 4: 1-9, doi: 10.1046/j.1461-9563.2002.00147.x.

  • Rostas, M. & Hilker, M. (2002b). Feeding damage by larvae of the mustrad leaf beetle deters conspecific females from oviposition and feeding. Entomol. Exp. Appl. 103: 267-277, doi: 10.1046/j.1570-7458.2002.00984.x

  • Rostas, M., Bennett, R. & Hilker, M. (2002). Comparative physiological responses in Chinese cabbage induced by herbivory and fungal infection. J. Chem. Ecol. 28: 2449-2463, doi: 10.1023/A:1021427917603.

  • Ruther, J., Reinecke, A., Tolasch, T. & Hilker, M. (2002). Phenol - Another cockchafer attractant shared by Melolontha hippocastani Fabr. and M. melolontha L. Z. Naturf. 57c: 910-913, doi: 10.1515/znc-2002-9-1026.

  • Ruther, J., Reinecke, A. & Hilker, M. (2002). Plant volatiles in the sexual communication of Melolontha hippocastani: response towards time-dependent bouquets and novel function of (Z)-3-hexen-1-ol as a sexual kairomone. Ecol. Entomol. 27: 76-83, doi: 10.1046/j.1365-2311.2002.0373a.x.

  • Ruther, J., Reinecke, A. & Hilker, M. (2002). Chemical orientation in Melolontha cockchafers. IOBC/WPRS Bulletin 25: 15-20.


  • Müller, C. & Hilker, M. (2001). Host finding and oviposition behavior in a chrysomelid specialist - the importance of host plant surface waxes. J. Chem. Ecol. 27: 985-994, doi: 10.1023/a:1010343205114.

  • Ruther, J., Podsiadlowski, L. & Hilker, M. (2001). Quinones in cockchafers: additional function of a sex attractant as an antimicrobial agent. Chemoecology 11: 225-229, doi: 10.1007/PL00001855.

  • Ruther, J., Reinecke, A. & Hilker, M. (2001). Chemically mediated mate finding in the European cockchafer, Melolontha hippocastani Fabr. (Coleoptera: Scarabaeidae). Mitt. Dtsch. Ges. Allg. Angew. Entomol. 13: 373-376.

  • Ruther, J., Reinecke, A., Tolasch, T. & Hilker, M. (2001). Make love not war: a common arthropod defence compound as sex pheromone in the forest cockchafer Melolontha hippocastani. Oecologia 128: 44-47, doi: 10.1007/s004420100634.

  • Sears, A.L., Smiley, J.T., Müller, F., Hilker, M. & Rank, N. (2001). Nesting behaviour and prey use in two geographically separated populations of the specialist wasp Symmorphus cristatus (Vespidae: Eumenidae). Am. Midl. Nat. 145: 233-246, doi: 10.1674/0003-0031(2001)145[0233:nbapui]2.0.co;2.

  • Steidle, J.L.M., Lanka, J., Müller, C. & Ruther, J. (2001). The use of general infochemicals in a generalist parasitoid. Oikos 95: 78-86, doi: 10.1034/j.1600-0706.2001.950109.x.

  • Steidle, J.L.M., Rees, D. & Wright, E.J. (2001). Assessment of Australian Trichogramma species (Hymenoptera, Trichogrammatidae) as control agents of stored product moths. J. Stored Prod. Res. 37: 263-275, doi: 10.1016/S0022-474X(00)00027-8.

  • Steidle, J.L.M. & Schöller, M. (2001). Fecundity and ability of the parasitoid Lariophagus distinguendus (Hymenoptera: Pteromalidae) to parasitize larvae of the granary weevil Sitophilus granarius (Coleoptera: Curculionidae) in bulk grain. J. Stored Prod. Res. 38: 43-53, doi: 10.1016/S0022-474X(00)00044-8.

  • Steidle, J.L.M., Steppuhn, A. & Reinhard, J. (2001). Volatile cues from different host complexes used for host location by the granary weevil parasitoid Lariophagus distinguendus (Hymenoptera: Pteromalidae). Basic Appl. Ecol. 2: 45-51, doi: 10.1078/1439-1791-00035.

  • Wegener, R., Schulz, S., Meiners, T., Hadwich, K. & Hilker, M. (2001). Analysis of volatiles induced by oviposition of elm leaf beetle Xanthogaleruca luteola on Ulmus minor. J. Chem. Ecol. 27: 499-515, doi: 10.1023/A:1010397107740.


  • Hilker, M., Bläske, V., Kobs, C. & Dippel, C. (2000). Kairomonal effects of sawfly sex pheromones on egg parasitoids. J. Chem. Ecol.26: 2591-2601, doi: 10.1023/A:1005592930772.

  • Meiners, T. & Hilker, M. (2000). Induction of plant synomones by oviposition of a phytophagus insect. J. Chem. Ecol. 26: 221-232, doi: 10.1023/A:1005453830961.

  • Meiners, T., Westerhaus, C. & Hilker, M. (2000). Specificity of chemical cues used by a specialist egg parasitoid during host location. Entomol. Exp. Appl. 95: 151-159, doi: 10.1046/j.1570-7458.2000.00653.x.

  • Müller, C. & Hilker, M. (2000). The effect of a green leaf volatile on host plant finding by larvae of a herbivorous insect. Naturwissenschaften 87: 216-219, doi: 10.1007/s001140050706.

  • Ruther, J. (2000). Retention index database for identification of general green leaf volatiles in plants by coupled capillary gas chromatography-mass spectrometry. J. Chromatogr. A 890: 313-319, doi: 10.1016/s0021-9673(00)00618-x.

  • Ruther, J., Homann, M. & Steidle, J.L.M. (2000). Female derived sex pheromone mediates courtship behaviour in the parasitoid Lariophagus distinguendus. Entomol. Exp. Appl. 96: 265-274, doi: 10.1046/j.1570-7458.2000.00705.x.

  • Ruther, J., Reinecke, A. & Hilker, M. (2000). Die Rolle von Wirtspflanzendüften und Sexualpheromonen in der Partnerfindungsstrategie des Waldmaikäfers, Melolontha hippocastani. Mitt. Biol. Bundesanst. Land. Forstw. 376: 251-252.

  • Ruther, J., Reinecke, A., Thiemann, K., Tolasch, T., Francke, W. & Hilker, M. (2000). Mate finding in the forest chockchafer, Melolontha hippocastani, mediated by volatiles from plants and females. Physiol. Entomol. 25:172-179, doi: 10.1046/j.1365-3032.2000.00183.x.

  • Ruther, J. & Steidle, J.L.M. (2000). Mites as matchmakers: Semiochemicals from host associated mites act as kairomones for both sexes in the parasitoid Lariophagus distinguendus (Hymenoptera, Pteromalidae). J. Chem. Ecol. 26: 1205-1217, doi: 10.1023/A:1005484027559.

  • Steidle, J.L.M. (2000). Host recognition cues of the granary weevil parasitoid Lariophagus distinguendus (Hymenoptera, Pteromalidae). Entomol. Exp. Appl. 95: 185-192, doi: 10.1046/j.1570-7458.2000.00656.x.

  • Steidle, J.L.M. & Fischer, A. (2000). Quantity does matter: how feces are used for host stage selection by granary weevil parasitoid Lariophagus distinguendus. J. Chem. Ecol. 26: 2657-2664, doi: 10.1023/A:1026421306241.

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  • Steidle, J.L.M. & Schöller, M. (2000). Host finding of the granary weevil parasitoid Lariophagus distinguendus in storage environment. Integrated protection of Stored Products IOBC/WPRS Bulletin 23: 135-141.

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