Ash Bark Weevil vs Common Web Spinner

Side-by-side species comparison

Attribute Ash Bark Weevil Common Web Spinner
Scientific Name Magdalis armigera Embia major
Order Coleoptera Embioptera
Family Curculionidae Embiidae
Size 3-5 mm 10.0-15.0 mm
Habitat Hedgerows Woodlands
Diet Gall Makers Gall Makers
Regions Europe Europe, Africa
Conservation Least Concern Not Evaluated

Ash Bark Weevil

A small black weevil that breeds under the bark of ash trees. Larvae create winding galleries in the cambium. Has become more noticed with ash dieback disease.

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Did You Know?

Often colonizes ash trees already weakened by ash dieback disease, accelerating their decline.

Common Web Spinner

A dark brown web spinner that constructs silk galleries on tree bark and under stones. Males are winged while females are always wingless.

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Did You Know?

Web spinners produce silk from glands in their enlarged front feet, the only insects to spin silk with their tarsi.