Japanese Giant Ichneumon vs Carpenter Ant

Side-by-side species comparison

Attribute Japanese Giant Ichneumon Carpenter Ant
Scientific Name Megarhyssa praecellens Camponotus pennsylvanicus
Order Hymenoptera Hymenoptera
Family Ichneumonidae Formicidae
Size 30-45 mm body, ovipositor up to 80 mm 6-13 mm
Habitat Forests Woodlands
Diet Wood Feeders Wood Feeders
Regions Japan, Eastern Asia Eastern North America
Conservation Least Concern Not Evaluated

Japanese Giant Ichneumon

One of the largest ichneumon wasps in Asia with a remarkably long ovipositor. It parasitizes wood-boring horntail larvae in Japanese forests.

💡

Did You Know?

Japanese naturalists have studied this species since the Edo period, and it appears in historical entomological scrolls.

Carpenter Ant

The largest common ant in North America, excavating smooth galleries in dead wood for nesting. Unlike termites, they do not eat wood but merely remove it to create living space.

💡

Did You Know?

Injured workers that cannot keep up during colony relocations are carried by nestmates to the new site.