Individual variation in pheromone emission and termination patterns in female Anomala cuprea |
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| Authors: | Jong-yoon Kim Makoto Hasegawa Walter Soares Leal |
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| Institution: | (1) Laboratory of Chemical Prospecting, National Institute of Agrobiological Sciences, Ibaraki-ken, Tsukuba-shi, Ibaraki 305-8634 Japan, JP;(2) Chiba Prefectural Agricultural Experiment Station, 808 Daizenno-cho, Midori-ku, Chiba 266 Japan , JP;(3) Honorary Maeda-Duffey Laboratory, Department of Entomology, University of California Davis, One Shields Ave, Davis, CA 95616 USA, US |
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| Abstract: | Summary. Individual variations in pheromone emission patterns were examined in a scarab beetle, Anomala cuprea Hope (Coleoptera: Scarabaeidae), by headspace collection of airborne volatiles from individual females. The amount of pheromone
obtained varied among virgin females, and about 16% of these females (“silent” females) did not emit detectable amount of
pheromone throughout the experimental period. There was no clear temporal pattern of peak pheromone emission for 19 days after
the onset. More than half of the laboratory mated females completely stopped releasing pheromone after the first mating, while
the rest of them continued releasing pheromone, frequently followed by additional mating.
Received 26 March 2001; accepted 28 January 2002. |
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| Keywords: | ,Anomala cuprea—, Coleoptera —, Scarabaeidae —, Termination of pheromone release —, individual variations —, multiple,,,,,mating |
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