Protogyny after hibernation and aestivation in Cheilomenes sexmaculata (Coleoptera: Coccinellidae) in central Japan

Differences in the time of occurrence of both sexes of adult ladybirds, which reflect differences in the longevity and reproductive strategies of the sexes, is important from the perspective of applied entomology, including biological control, as well as basic entomology.Nevertheless, there is little Kids Suitcases field census data on this topic.We investigated the seasonal occurrence of both sexes of Cheilomenes sexmaculata (Fabricius) in Osaka City, central Japan, from 2003 to 2011.Female adults tended to appear earlier than males after hibernation or aestivation.

That males never appeared earlier than females during the nine year period of this study indicate that protogyny Tablet Organiser occurs after hibernation and aestivation in this species.

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