Eastern Net-Winged Midge vs Japanese Damaster Ground Beetle

Side-by-side species comparison

Attribute Eastern Net-Winged Midge Japanese Damaster Ground Beetle
Scientific Name Blepharicera tenuipes Damaster blaptoides
Order Diptera Coleoptera
Family Blephariceridae Carabidae
Size 6-10 mm 30-55 mm
Habitat Mountains Woodlands
Diet Predators Predators
Regions North America Japan (all main islands)
Conservation Least Concern Least Concern

Eastern Net-Winged Midge

A net-winged midge whose larvae cling to rocks in the fastest torrents using ventral suction discs. Adults have characteristically divided wings.

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Did You Know?

Larvae can maintain their grip on rocks in currents exceeding two meters per second using six suction cups.

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.