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Cyrtomon luridus (Boheman) (Coleoptera: Curculionidae: Entiminae) is a serious pest of Duboisia sp. (Solanaceae) in Brazil. However, our knowledge of the reproductive behavior and the chemical ecology of this curculionid is based on very limited data. The aim of this study was therefore to describe the mating behavior of C. luridus and the olfactory response of males and females to volatiles of conspecifics...