Attractant pheromone for nearctic stink bug,Euschistus obscurus (Heteroptera: Pentatomidae): Insight into a neotropical relative

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Abstract
Volatiles fromEuschistus obscurus males were found to be attractive to conspecific females in bioassays. A new type of olfactometer assembled from commercially available glassware was used to bioassay aeration extracts of the Nearctic stink bug,E. obscurus. Fractionated extracts suggest that pheromonal activity is associated with late-eluting, male-specific compounds. Research onE. obscurus offered a means to indirectly study the pheromone of the Neotropical pest species,E. heros, without importing this soybean pest into the United States.

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