Yellow-Legged Horntail vs Erratic Ant

Side-by-side species comparison

Attribute Yellow-Legged Horntail Erratic Ant
Scientific Name Urocerus augur Tapinoma erraticum
Order Hymenoptera Hymenoptera
Family Siricidae Formicidae
Size 20-30 mm 2-4 mm
Habitat Forests Heathland
Diet Wood Feeders Nectar Feeders
Regions East Asia, Japan Southern Europe, North Africa, Western Asia
Conservation Least Concern Least Concern

Yellow-Legged Horntail

A large, dark-bodied wood wasp with bright yellow legs that contrast sharply with its blue-black body. Found primarily in conifer forests of eastern Asia.

💡

Did You Know?

Like all horntails, the short horn-like projection at the tail is not a stinger but a structural feature called a cornus, present in both sexes.

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.

💡

Did You Know?

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