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Your Position :Home->Past Journals Catalog->2008年45 No.4

The behavior and reproduction of Dactylopius coccus
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Key Words:Dactylopius coccus, behaviour, reproduction, breeding eggs, effective temperature
Abstract:

The biology of Dactylopius coccus Costa on laying, hatching, fixing, wax excreting, moulting, cocooning and eclosion were observed, and gamogenesis and agamogenesis of the insect were studied. The results showed that the average breeding eggs of female adults were 269, average laying eggs were 232, average hatching rate was 96.5%, the ratio of female to male was 3∶1, the rate of pupae eclosion is 94.7%, threshold temperature was 5.77℃, and effective temperature was 1 600.60 degreeday. This cochineal species could not  propagate by agamogenesis and the population propagation was depended on gamogenesis.

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