Knapweed Gall Weevil vs Giant Ladybird

Side-by-side species comparison

Attribute Knapweed Gall Weevil Giant Ladybird
Scientific Name Bangasternus fausti Anatis ocellata
Order Coleoptera Coleoptera
Family Curculionidae Coccinellidae
Size 4-6 mm 7-9 mm
Habitat Grasslands Forests
Diet Gall Makers Omnivores
Regions Europe, Central Asia Europe, Northern Asia
Conservation Least Concern Least Concern

Knapweed Gall Weevil

A weevil that induces galls in knapweed flower heads. Larvae develop inside the enlarged flower buds. Used in biological control of invasive knapweeds in North America.

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Did You Know?

Released in North America as biocontrol for invasive spotted knapweed, which costs ranchers millions annually.

Giant Ladybird

The largest European ladybird, with orange elytra bearing black spots each encircled by a pale ring. It is a conifer specialist.

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Did You Know?

Its eyespot-ringed markings distinguish it from all other European ladybirds and may help startle predators.