Japanese Journal of Applied Entomology and Zoology
Online ISSN : 1347-6068
Print ISSN : 0021-4914
ISSN-L : 0021-4914
Studies on the Life History of the Fleabeetle, Argopistes coccinelliformis CSIKI (Coleoptera: Chrysomelidae)
V. Effects of Food Conditions on Oviposition
Takenari INOUE
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1991 Volume 35 Issue 3 Pages 213-220

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Abstract
Argopistes coccinelliformis is usually a univoltine species and the newly-emerged adults enter diapause under the field conditions in southern Kanto, central Japan. Adults deposit eggs on new sprouts or leaves of host plants but not on mature leaves. Some newly-emerged adults, however, could oviposit when supplied with new leaves soon after eclosion. Adults prefer new leaves to mature ones regardless of the season. This evidence suggested that some of the beetles may be multivoltine. Oviposition was interrupted when mature leaves were supplied but was resumed when new leaves were supplied again. No eggs were found in the ovaries of adults during the periods of interrupted oviposition. The beetles seem to use the food condition as a cue to the suitability of the environment for oviposition.
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© by The Japanese Society of Applied Entomology and Zoology
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