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Interference of chemical defence and sexual communication can shape the evolution of chemical signals

Pfeiffer, Lisa ; Ruther, Joachim ; Hofferberth, John ; Stökl, Johannes



Abstract

According to current evolutionary theory, insect pheromones can originate from extant precursor compounds being selected for information transfer. This is exemplified by females of the parasitoid wasp Leptopilina heterotoma whose defensive secretion consisting mainly of (-)- iridomyrmecin has evolved secondary functions as cue to avoid other females during host search and as female sex pheromone. ...

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