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Regulation of larval diapause by juvenile hormone in the European corn borer,Ostrinia nubilalis
Authors:Shigemi Yagi  Nobusuke Akaike
Institution:Laboratory of Applied Zoology, Faculty of Agriculture, Tokyo University of Education, Komaba, Meguro-ku, Tokyo 153, Japan
Abstract:The effects of juvenile hormone (JH) on the larval diapause of the European corn borer, Ostrinia nubilalis, were investigated. The larval period was prolonged and the development of gonads was retarded if non-diapause larvae were treated with JH. Pupation of diapausing larvae was accelerated by allatectomy. It was concluded that the diapause of this borer is largely regulated by JH.
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