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Among ladybirds, diapause has evidently been most studied in Coccinella septempunctata L. adults. Coccinella septempunctata (C‐7), the seven spot, has attracted attention both in Europe and the USA for being heterogeneous as to the induction of diapause. A polyphenic character of diapause is a prominent feature in C. septempunctata and this phenomenon generally and often generates voltinism heterogeneity...
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