North American Horntail vs Larger Citronella Ant

Side-by-side species comparison

Attribute North American Horntail Larger Citronella Ant
Scientific Name Tremex columba Lasius interjectus
Order Hymenoptera Hymenoptera
Family Siricidae Formicidae
Size 25–50 mm 4-4.5 mm
Habitat Woodlands Caves
Diet Wood Feeders Root Feeders
Regions Eastern North America Eastern North America
Conservation Not Evaluated Least Concern

North American Horntail

A large horntail wasp found across eastern North America. It attacks dead and dying hardwood trees such as beech, maple, and elm.

💡

Did You Know?

The parasitoid wasp Megarhyssa macrurus uses its extremely long ovipositor to reach horntail larvae deep inside wood.

Larger Citronella Ant

A subterranean yellow ant that emits a strong lemon-like odor when crushed. It lives entirely underground tending root-feeding aphids for honeydew.

💡

Did You Know?

These ants are rarely seen above ground except during mating flights, when winged reproductives emerge in large swarms.