Plantain Gall Weevil vs Mustard Beetle

Side-by-side species comparison

Attribute Plantain Gall Weevil Mustard Beetle
Scientific Name Mecinus pyraster Phaedon cochleariae
Order Coleoptera Coleoptera
Family Curculionidae Chrysomelidae
Size 3-4 mm 3-4 mm
Habitat Grasslands Farmland
Diet Gall Makers Herbivores
Regions Europe Europe
Conservation Least Concern Least Concern

Plantain Gall Weevil

A small cylindrical weevil that causes stem galls on plantain. Larvae develop inside swollen plant stems. An inconspicuous but very common species.

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Did You Know?

Causes distinctive swellings on plantain stems that are easy to find even when the tiny weevil itself is not visible.

Mustard Beetle

A small metallic blue-black beetle that feeds on watercress, mustard and other crucifers. Both adults and larvae damage crops. Common in damp habitats near streams.

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Did You Know?

Commercial watercress growers regard this tiny beetle as one of their most persistent pest problems.