Species guide

Asian lady beetle

Nuisance, not harmful

Harmonia axyridis

Asian lady beetle
Photo: Conway Hawn · CC BY

What does Asian lady beetle look like?

A ladybug-type beetle, variable orange to red with anywhere from no spots to many. The reliable mark is a black 'M' (or 'W') shape on the white shield behind the head.

Is Asian lady beetle dangerous?

Can deliver a mild nip and secretes a smelly, staining yellow fluid when disturbed. It swarms into homes to overwinter in autumn.

Commonly confused with

  • Native ladybugs: lack the black 'M' marking

What should I do about Asian lady beetle?

Vacuum gently (a stocking over the nozzle lets you release them outside) and seal gaps.

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