Identification and synthesis of female sex pheromone of Oriental beetle, Anomala orientalis (Coleoptera: Scarabaeidae) Article Received: 07 March 1994 Accepted: 15 May 1994 DOI:
Cite this article as: Zhang, A., Facundo, H.T., Robbins, P.S. et al. J Chem Ecol (1994) 20: 2415. doi:10.1007/BF02033210 Abstract
Females of the Oriental beetle,
Anomala orientalis (Waterhouse), release a sex pheromone composed of a 9:1 blend of ( Z)- and ( E)-7-tetradecen-2-one. The double-bond position of the pheromone was determined by DMDS derivatization and interpretation of the fragmentation patterns produced by monounsaturated ketones. In a sustained-flight tunnel, males responded by flying toward female beetles and attempting to copulate with them. Both effluvium and whole-body extracts of OB females were analyzed, and the activity was found only in the airborne extracts. Flight-tunnel bioassays also showed that a synthetic 90:10 Z/E blend on a rubber septum was attractive and that the responses of males to this blend were equivalent to Z isomer alone, but much better than to the single E isomer. Key Words Anomala orientalis Oriental beetle Coleoptera Scarabaeidae sex pheromone ( Z)- and ( E)-7-tetradecen-2-one DMDS derivatization flight tunnel References
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