Larval host plant experience modulates both mate finding and oviposition choice in a moth

Anderson, Peter; Sadek, M. M.; Larsson, Mattias C.; Hansson, Bill S.; Thöming, Gunda

doi:10.1016/j.anbehav.2013.03.002

Cited by 89 publications

(68 citation statements)

References 36 publications

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“…In insects, embryonic and larval experience can affect adult feeding [37], [38], [39], [40] and oviposition preference [41], [42], [43], [44]. Our data reveal that transient and permanent exposure to food molecules can change D. melanogaster food oviposition preference and fitness.…”

Section: Discussionmentioning

confidence: 72%

Transient and Permanent Experience with Fatty Acids Changes Drosophila melanogaster Preference and Fitness

et al. 2014

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Food and host-preference relies on genetic adaptation and sensory experience. In vertebrates, experience with food-related cues during early development can change adult preference. This is also true in holometabolous insects, which undergo a drastic nervous system remodelling during their complete metamorphosis, but remains uncertain in Drosophila melanogaster. We have conditioned D. melanogaster with oleic (C18∶1) and stearic (C18∶0) acids, two common dietary fatty acids, respectively preferred by larvae and adult. Wild-type individuals exposed either during a transient period of development–from embryo to adult–or more permanently–during one to ten generation cycles–were affected by such conditioning. In particular, the oviposition preference of females exposed to each fatty acid during larval development was affected without cross-effect indicating the specificity of each substance. Permanent exposure to each fatty acid also drastically changed oviposition preference as well as major fitness traits (development duration, sex-ratio, fecundity, adult lethality). This suggests that D. melanogaster ability to adapt to new food sources is determined by its genetic and sensory plasticity both of which may explain the success of this generalist-diet species.

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Section: Discussionmentioning

confidence: 72%

Transient and Permanent Experience with Fatty Acids Changes Drosophila melanogaster Preference and Fitness

et al. 2014

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“…This contention is supported by the differences in electrophysiological responses to particular compounds that we observed for beetles from different populations ( figure 1d-f ). An alternative explanation for the finding that beetles respond positively to scent of local cones when offered local and nonlocal cones simultaneously (figure 3c) is that beetles undergo a chemical imprinting process during their development on local cones [60][61][62]. Interestingly, we found some evidence of active avoidance of cones that are not from the local region (figure 3b), suggesting that there are volatiles in these cones that affect behaviour of local beetles, even though we did not detect antennal electrophysiological responses to volatiles from non-local cones.…”

Section: Discussionmentioning

confidence: 99%

Geographical matching of volatile signals and pollinator olfactory responses in a cycad brood-site mutualism

2015

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Brood-site mutualisms represent extreme levels of reciprocal specialization between plants and insect pollinators, raising questions about whether these mutualisms are mediated by volatile signals and whether these signals and insect responses to them covary geographically in a manner expected from coevolution. Cycads are an ancient plant lineage in which almost all extant species are pollinated through brood-site mutualisms with insects. We investigated whether volatile emissions and insect olfactory responses are matched across the distribution range of the African cycad Encephalartos villosus. This cycad species is pollinated by the same beetle species across its distribution, but cone volatile emissions are dominated by alkenes in northern populations, and by monoterpenes and a pyrazine compound in southern populations. In reciprocal choice experiments, insects chose the scent of cones from the local region over that of cones from the other region. Antennae of beetles from northern populations responded mainly to alkenes, while those of beetles from southern populations responded mainly to pyrazine. In bioassay experiments, beetles were most strongly attracted to alkenes in northern populations and to the pyrazine compound in southern populations. Geographical matching of cone volatiles and pollinator olfactory preference is consistent with coevolution in this specialized mutualism.

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“…Proximally, Jussara sp. could be either attracted to physical or chemical characteristics of P. suterella (Takemoto et al 2012;Trigo et al 2012;Anderson et al 2013) or to chemicals left by conspecific harvestmen Teng et al 2012;Willemart & Hebets 2012;Grether et al 2014). These hypotheses remain to be tested.…”

Section: Discussionmentioning

confidence: 87%

Strong seasonality and clear choice of resting plant in a Neotropical harvestman (Arachnida: Opiliones)

Pagoti

Willemart

2015

Journal of Arachnology

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Larval host plant experience modulates both mate finding and oviposition choice in a moth

Cited by 89 publications

References 36 publications

Transient and Permanent Experience with Fatty Acids Changes Drosophila melanogaster Preference and Fitness

Transient and Permanent Experience with Fatty Acids Changes Drosophila melanogaster Preference and Fitness

Geographical matching of volatile signals and pollinator olfactory responses in a cycad brood-site mutualism

Strong seasonality and clear choice of resting plant in a Neotropical harvestman (Arachnida: Opiliones)

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