Blue-black Spider Wasp vs Asian Horntail

Side-by-side species comparison

Attribute Blue-black Spider Wasp Asian Horntail
Scientific Name Anoplius viaticus Urocerus antennatus
Order Hymenoptera Hymenoptera
Family Pompilidae Siricidae
Size 8-15 mm 20-35 mm
Habitat Heathland Forests
Diet Predators Wood Feeders
Regions Europe, Western Asia East Asia, Japan, Russian Far East
Conservation Least Concern Least Concern

Blue-black Spider Wasp

A dark metallic blue spider wasp with orange-red abdominal bands. It hunts wolf spiders on sandy heathlands and dunes across Europe.

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Did You Know?

It is one of the first solitary wasps to appear each spring in northern Europe, sometimes flying as early as March.

Asian Horntail

A large wood wasp from East Asia with a dark body and distinctively long antennae. It attacks various coniferous trees, particularly larches and spruces.

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Did You Know?

This species is considered a potential quarantine pest due to the risk of introduction to new regions through untreated conifer timber imports.