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Compounds that are structurally closely related to the western corn rootworm (WCR) (Diabrotica v. virgifera, Coleoptera: Chrysomelidae) pheromone were prepared and screened for biological activity in the field, presented alone or in combination with the pheromone 8‐methyldecan‐2‐yl propanoate. None of the synthetic compounds showed attraction when presented alone. However, when presented in combination...
To improve the efficiency of the known floral attractant of Cetonia aurata aurata and Potosia cuprea [3‐methyl eugenol, 1‐phenylethanol and (E)‐anethol] electroantennographic tests were conducted using the antennae of both species. Among synthetic floral compounds eliciting the highest responses from the antennae, geraniol, (±)‐lavandulol and ß‐ionone, were chosen for field experiments. In field trapping...
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