Beaver Rove Beetle vs Four-spotted Cuckoo Bee

Side-by-side species comparison

Attribute Beaver Rove Beetle Four-spotted Cuckoo Bee
Scientific Name Leptusa fumida Nomada leucophthalma
Order Coleoptera Hymenoptera
Family Staphylinidae Apidae
Size 2-3 mm 9-12 mm
Habitat Woodlands Woodlands
Diet Predators Nectar Feeders
Regions Europe, Northern Asia Europe, Western Asia
Conservation Least Concern Least Concern

Beaver Rove Beetle

A tiny, dark aleocharine rove beetle that inhabits the nests of beavers and other semi-aquatic rodents. It feeds on organic debris and invertebrates in the warm, humid nest environment.

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Did You Know?

This nidicolous beetle has adapted to the unique microclimate of beaver lodges, where humidity is near 100 percent and temperatures remain stable year-round.

Four-spotted Cuckoo Bee

A wasp-like cuckoo bee with reddish-brown and yellow markings that parasitizes Andrena mining bees. It is one of the earliest flying spring bees in Europe.

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Did You Know?

It closely resembles a small wasp rather than a bee, which helps it avoid being recognized as a threat by its hosts.