Applied Entomology and Zoology
Online ISSN : 1347-605X
Print ISSN : 0003-6862
ISSN-L : 0003-6862
Regular Papers
Continuous rearing of an entomoresource, the leaf beetle, Gastrophysa atrocyanea Motschulsky (Coleoptera: Chrysomelidae) on artificial diets
Noriyuki OjimaShin-ichi IkedaOsamu KoikeKosuke FujitaKoichi Suzuki
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2005 Volume 40 Issue 1 Pages 119-124

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Abstract

The leaf beetle, Gastrophysa atrocyanea Motschulsky (Coleoptera: Chrysomelidae) has been regarded as a bioagent suitable for the extermination of certain weeds, especially Rumex obtusifolius. We examined conditions for artificial mass rearing of this insect. An artificial diet based on the host-plant leaf powder and supplemented with feeding stimulants, was developed for laboratory rearing of the leaf beetles. In particular, the hatchability of eggs laid by the fourth generation and female longevity were equivalent to those for fresh host leaves. Consequently, the fifth generation was achieved by rearing on artificial diet.

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© 2005 by the Japanese Society of Applied Entomology and Zoology
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