Birch Leaf Beetle vs Warehouse Beetle

Side-by-side species comparison

Attribute Birch Leaf Beetle Warehouse Beetle
Scientific Name Chrysomela collaris Trogoderma variabile
Order Coleoptera Coleoptera
Family Chrysomelidae Dermestidae
Size 6-8 mm 2-3.5 mm
Habitat Mountains Indoors
Diet Herbivores Seed Feeders
Regions Northern and Central Europe, Siberia North America, Australia, Europe
Conservation Least Concern Least Concern

Birch Leaf Beetle

A handsome beetle with dark metallic blue-black elytra and a contrasting bright red pronotum. It is found on birch trees in northern and mountainous regions of Europe.

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Did You Know?

The striking red-and-blue color combination serves as aposematic warning coloration, advertising the beetle's chemical defenses to potential predators.

Warehouse Beetle

A stored product beetle closely related to the khapra beetle that infests grain, cereals, and dried foods. Its hairy larvae contaminate food products and can cause allergic reactions.

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Did You Know?

It is so similar to the quarantine-regulated khapra beetle that expert identification is needed to tell them apart.