Black Horntail vs Four-spotted Cuckoo Bee

Side-by-side species comparison

Attribute Black Horntail Four-spotted Cuckoo Bee
Scientific Name Xeris spectrum Nomada leucophthalma
Order Hymenoptera Hymenoptera
Family Siricidae Apidae
Size 15–32 mm 9-12 mm
Habitat Forests Woodlands
Diet Wood Feeders Nectar Feeders
Regions Europe, North America, Asia Europe, Western Asia
Conservation Not Evaluated Least Concern

Black Horntail

A slender black horntail wasp that breeds in dead conifer wood across the Northern Hemisphere. It is frequently found in fire-damaged forests.

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Did You Know?

It is typically one of the first wood-boring insects to colonize trees killed by forest fires.

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.