The harlequin ladybird (Harmonia axyridis) is also known as the Multicoloured Asian Ladybird, the Asian lady beetle and the Halloween Ladybird.
Harlequin ladybirds were introduced to north America and mainland Europe as a biological control for aphids. Their populations spread rapidly, and their voracious apetites and the subsequent decline of native ladybird species has now focused attention on them as a subject for control.
Large numbers of Harlequin Ladybirds hibernate indoors and in wall cavities during cool winter weather.
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