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Regulation of adult diapause in Coccinella septempunctata septempunctata and C septempunctata brucki from two regions of Japan



Regulation of adult diapause in Coccinella septempunctata septempunctata and C septempunctata brucki from two regions of Japan



Entomophaga 42(1-2): 139-144



In similar climatic conditions of central/northern Europe and Hokkaido, Japan, both subspecies of Coccinella septempunctata L. have similar life-cycles: long-day photoperiodic response ensures the induction of winter diapause. In the mild climate of Honshu, Japan, C. s. brucki Mulsant shows a different life cycle: short-day photoperiodic response leads to the induction of summer diapause while overwintering is quiescence. All populations show an important variation in photoperiodic response.

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Accession: 033144891

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