Identification of cuticular lipids eliciting interspecific courtship in the German cockroach, Blattella germanica
Eliyahu, D., Nojima, S., Capracotta, S. S., Comins, D. L., & Schal, C. (2008, January 8). Die Naturwissenschaften, Vol. 95, pp. 403–412.
author keywords: Blatta orientalis; contact pheromone; methyl ketone; 11-methylheptacosan-2-one; 27-oxo-11-methylheptacosan-2-one
MeSH headings : Animals; Blattellidae / physiology; Female; Germany; Male; Pheromones / physiology; Reproduction; Sexual Behavior, Animal / physiology
topics (OpenAlex): Insect and Arachnid Ecology and Behavior; Insects and Parasite Interactions; Plant and animal studies
TL;DR:
It is proposed that several characteristics of their mating system—chiefly, absence of closely related species in the anthropogenic environment, resulting in relaxation of selection on sexual communication, and a highly male-biased operational sex ratio—have driven males to respond with extremely low thresholds to a wide spectrum of related compounds.
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