Winter Firefly vs Japanese Damaster Ground Beetle

Side-by-side species comparison

Attribute Winter Firefly Japanese Damaster Ground Beetle
Scientific Name Ellychnia corrusca Damaster blaptoides
Order Coleoptera Coleoptera
Family Lampyridae Carabidae
Size 10-14 mm 30-55 mm
Habitat Woodlands Woodlands
Diet Predators Predators
Regions Eastern North America Japan (all main islands)
Conservation Least Concern Least Concern

Winter Firefly

A day-active firefly that does not produce light as an adult. It is commonly found on tree trunks during late winter and early spring in eastern North America.

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Did You Know?

Despite being a firefly, adults completely lack the ability to produce bioluminescence.

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.