Japanese Alderfly vs Oregon Tiger Beetle

Side-by-side species comparison

Attribute Japanese Alderfly Oregon Tiger Beetle
Scientific Name Sialis japonica Cicindela oregona
Order Megaloptera Coleoptera
Family Sialidae Cicindelidae
Size 15-25 mm wingspan 11-15 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Omnivores
Regions Japan, East Asia Western North America from Alaska to California
Conservation Least Concern Least Concern

Japanese Alderfly

A medium-sized alderfly found in ponds and slow streams across Japan. It is one of the most common megalopterans in East Asian lowland waters.

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Did You Know?

It is one of the few megalopterans adapted to living in rice paddy fields.

Oregon Tiger Beetle

A variable-colored tiger beetle found in open sandy and gravelly habitats across western North America. Coloring ranges from greenish-bronze to dark brown.

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Did You Know?

It is one of the most widespread tiger beetles in North America, with over a dozen recognized subspecies.