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Posts Tagged ‘ladybird identification’

Harlequin ladybird (Harmonia axyridis) identificationNo, it is not a case of our ladybirds not eating their aphids but intruder Harlequin ladybirds (Harmonia axyridis). These ladybirds were introduced into North America from Asia in 1988 and some European countries in the 1990’s for biological control of aphids and scale insects.

The picture on the left shows what the Harlequin Ladybird looks like.

You can find a chart here showing our British Native Ladybirds, their sizes and what type of plant they are found on.

Wherever the Harlequin Ladybird appears it is usually followed by a decline of British Native Ladybirds.

Many people now view this species as a nuisance, partly due to their tendency to overwinter indoors and the unpleasant odour and stain left by their bodily fluid when frightened or squashed. They can get into houses through the tiniest gaps, even closed windows. When they wake up they often bite humans when looking for food, this usually causes a bump and stinging sensation but there are documented cases of severe allergic reactions to their bites.

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