Alder Leaf Beetle vs Winter Moth

Side-by-side species comparison

Attribute Alder Leaf Beetle Winter Moth
Scientific Name Agelastica alni Operophtera brumata
Order Coleoptera Lepidoptera
Family Chrysomelidae Geometridae
Size 6-7 mm 25-30 mm wingspan (males)
Habitat Ponds & Lakes Woodlands
Diet Herbivores Herbivores
Regions Europe, Western Asia Europe, Eastern North America
Conservation Least Concern Not Evaluated

Alder Leaf Beetle

A metallic dark violet-blue beetle that feeds on alder trees. Heavy infestations can completely defoliate alder trees along waterways.

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Did You Know?

After being absent from Britain for decades, it dramatically recolonised southern England in the early 2000s.

Winter Moth

A cold-hardy moth whose tiny green inchworm caterpillars defoliate fruit and shade trees in early spring. Females are virtually wingless and crawl up tree trunks to lay eggs.

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Did You Know?

Sticky bands wrapped around tree trunks in autumn can trap the wingless females and prevent egg-laying.