Composition of the Scents of Eight East African Hemipterans. Nymph-Adult Chemical Polymorphism in Coreids

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Abstract
The scents of 4 species of pentatomids and 4 species of coreids were chemically analyzed. Pentatomids produced hydrocarbons and unsaturated aldehydes and esters. Coreids produced varying proportions of saturated alcohols, aldehydes, esters, and acids. The relative proportions of these components appeared to remain constant within individuals of the same species. Adult male and female scents were also very similar within a given species. However, immature coreids produced secretions composed of highly unsaturated aldehydes and ketones quite unlike the secretions of their respective adults.