Yellow-Legged Horntail vs Jet Black Ant

Side-by-side species comparison

Attribute Yellow-Legged Horntail Jet Black Ant
Scientific Name Urocerus augur Lasius fuliginosus
Order Hymenoptera Hymenoptera
Family Siricidae Formicidae
Size 20-30 mm 4-6 mm
Habitat Forests Woodlands
Diet Wood Feeders Fungus Feeders
Regions East Asia, Japan Europe, 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.

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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.

Jet Black Ant

A shiny jet-black ant that builds carton nests inside hollow trees using chewed wood mixed with honeydew. It cultivates a specific fungus that strengthens the nest walls.

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Did You Know?

The fungus Cladosporium myrmecophilum grows exclusively in the carton nests of this ant species.