Silky Chlaenius vs Western Fishfly

Side-by-side species comparison

Attribute Silky Chlaenius Western Fishfly
Scientific Name Chlaenius vestitus Neohermes filicornis
Order Coleoptera Megaloptera
Family Carabidae Corydalidae
Size 12-16 mm 40-55 mm wingspan
Habitat Ponds & Lakes Rivers & Streams
Diet Predators Predators
Regions Eastern North America Western North America
Conservation Least Concern Least Concern

Silky Chlaenius

A medium-sized ground beetle covered in fine silky pubescence giving it a velvety green appearance. It is commonly found near water and emits a strong defensive odor when handled.

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Did You Know?

When disturbed, it releases a pungent, leathery-smelling chemical from defensive glands that is so strong it can be detected from several feet away.

Western Fishfly

A western North American fishfly with feathery antennae and brownish wings. Adults are attracted to lights near streams where their larvae develop.

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Did You Know?

Fishflies are distinguished from dobsonflies by their feathery antennae and lack of massive mandibles in males.