Japanese Damaster Ground Beetle vs Snail-killing Fly Beetle

Side-by-side species comparison

Attribute Japanese Damaster Ground Beetle Snail-killing Fly Beetle
Scientific Name Damaster blaptoides Drilus flavescens
Order Coleoptera Coleoptera
Family Carabidae Drilidae
Size 30-55 mm 7-15mm
Habitat Woodlands Underground
Diet Predators Predators
Regions Japan (all main islands) Europe
Conservation Least Concern Least Concern

Japanese Damaster Ground Beetle

A remarkably elongated Japanese ground beetle with an extremely narrow body and extended neck region. It has evolved this shape specifically to feed on snails by reaching deep into their shells.

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Did You Know?

It has the most elongated body of any Carabus relative, evolved specifically so it can insert its head and thorax deep inside the spiral of a snail shell to reach the living snail.

Snail-killing Fly Beetle

A brown beetle with soft elytra where males are winged but females are larviform and never develop wings. It specializes in hunting snails.

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Did You Know?

The larva enters a snails shell and slowly consumes it alive over several days before pupating inside the empty shell.