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Full-Text Articles in Behavior and Ethology
Parasitoid Infestation Changes Female Mating Preferences, Oliver M. Beckers, William E. Wagner
Parasitoid Infestation Changes Female Mating Preferences, Oliver M. Beckers, William E. Wagner
School of Biological Sciences: Faculty Publications
Females often adjust their mating preference to environmental and social conditions. This plasticity of preference can be adaptive for females and can have important consequences for the evolution of male traits. While predation and parasitism are widespread, their effects on female preferences have rarely been investigated. Females of the cricket Gryllus lineaticeps are parasitized by the parasitoid fly Ormia ochracea. Infestation with fly larvae substantially reduces female life span and thus reproductive opportunities of the cricket. Both female G. lineaticeps and flies orient to male song and both prefer male songs with faster chirp rates to songs with slower chirp …