Identification and synthesis of female sex pheromone of oriental beetle, Anomala orientalis (Coleoptera: Scarabaeidae)

College

College of Science

Department/Unit

Biology

Document Type

Article

Source Title

Journal of Chemical Ecology

Volume

20

Issue

9

First Page

2415

Last Page

2427

Publication Date

1994

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 90:10Z/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.

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Disciplines

Ecology and Evolutionary Biology

Keywords

Scarabaeidae; Pheromones; Sex recognition (Zoology)

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