Osumi Ground Beetle vs Lunar Ichneumon Wasp

Side-by-side species comparison

Attribute Osumi Ground Beetle Lunar Ichneumon Wasp
Scientific Name Carabus osumensis Megarhyssa lunator
Order Coleoptera Hymenoptera
Family Carabidae Ichneumonidae
Size 22-30 mm 30-50 mm body, ovipositor up to 130 mm
Habitat Forests Forests
Diet Predators Nectar Feeders
Regions East Asia, Japan (Kyushu) Eastern North America
Conservation Vulnerable Least Concern

Osumi Ground Beetle

An endemic ground beetle from the Osumi Peninsula in southern Kyushu, Japan. Features a beautiful metallic green-gold coloration. A nocturnal predator of forest floor invertebrates.

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Did You Know?

This beetle's restricted range on the Osumi Peninsula makes it a textbook example of geographic speciation on the Japanese archipelago.

Lunar Ichneumon Wasp

A striking ichneumon with a yellow and brown banded body. It parasitizes pigeon tremex horntail larvae inside hardwood trees.

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Did You Know?

Its ovipositor is the longest relative to body size of any insect in North America.