Induction of adult diapause in <i>Cletus punctiger</i> (Hemiptera: Coreidae) and the beginning of reproduction in post-hibernating females in Shiga Prefecture

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  • 滋賀県におけるホソハリカメムシ(カメムシ目:ヘリカメムシ科)雌の休眠誘起と越冬後の繁殖活動開始時期

Abstract

<p>In Shiga Prefecture, the critical photoperiod for inducing adult diapause in the stink bug, Cletus punctiger, is 13-14 hours. In September, the percentage of diapausing females that had no mature eggs in their ovarioles increased in the fields, and the diapausing females were assumed to migrate to hibernating sites as the temperature declined. In spring, the adults that were not in diapause were thought to leave the hibernating sites in early April, and begin laying eggs in late April.</p>

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