Blue Cuckoo Wasp vs Eastern Carpenter Bee

Side-by-side species comparison

Attribute Blue Cuckoo Wasp Eastern Carpenter Bee
Scientific Name Trichrysis cyanea Xylocopa virginica
Order Hymenoptera Hymenoptera
Family Chrysididae Apidae
Size 5-8 mm 19-23 mm
Habitat Woodlands Gardens
Diet Wood Feeders Nectar Feeders
Regions Europe, Asia Eastern North America
Conservation Least Concern Not Evaluated

Blue Cuckoo Wasp

A uniformly deep blue metallic cuckoo wasp found across Europe and Asia. It parasitizes various cavity-nesting wasps and bees in dead wood and walls.

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Did You Know?

Its entirely blue coloration without any red or gold makes it one of the most distinctive cuckoo wasps in Europe.

Eastern Carpenter Bee

A large robust bee that resembles a bumble bee but has a shiny black hairless abdomen. It excavates nesting tunnels in wood and is an effective pollinator of many garden flowers and crops.

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Did You Know?

Males are extremely territorial and will hover aggressively near people, but they lack a stinger and cannot sting.