Blue-black Spider Wasp vs Erratic Ant

Side-by-side species comparison

Attribute Blue-black Spider Wasp Erratic Ant
Scientific Name Anoplius viaticus Tapinoma erraticum
Order Hymenoptera Hymenoptera
Family Pompilidae Formicidae
Size 8-15 mm 2-4 mm
Habitat Heathland Heathland
Diet Predators Nectar Feeders
Regions Europe, Western Asia Southern Europe, North Africa, Western Asia
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.

Erratic Ant

A small dark ant common in southern Europe that runs in characteristic erratic zigzag patterns. It nests in dry, warm habitats under stones and in rock crevices.

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Did You Know?

Workers can raise their abdomens to spray defensive chemicals while simultaneously running at full speed.