Japanese Giant Ichneumon vs Army Ant

Side-by-side species comparison

Attribute Japanese Giant Ichneumon Army Ant
Scientific Name Megarhyssa praecellens Eciton burchellii
Order Hymenoptera Hymenoptera
Family Ichneumonidae Formicidae
Size 30-45 mm body, ovipositor up to 80 mm 3-12 mm
Habitat Forests Forests
Diet Wood Feeders Omnivores
Regions Japan, Eastern Asia Central America, South America
Conservation Least Concern Least Concern

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.

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Did You Know?

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

Army Ant

Nomadic ants that do not build permanent nests. Raids of up to 200,000 workers sweep through the forest floor consuming everything in their path. Workers link bodies to form living bridges.

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Did You Know?

Army ants build living structures from their own bodies — bridges, walls, and bivouacs made of 500,000 ants linked together, complete with climate-controlled nursery chambers inside.