Striped Ladybird vs Japanese Alderfly

Side-by-side species comparison

Attribute Striped Ladybird Japanese Alderfly
Scientific Name Myzia oblongoguttata Sialis japonica
Order Coleoptera Megaloptera
Family Coccinellidae Sialidae
Size 6-8mm 15-25 mm wingspan
Habitat Forests Rivers & Streams
Diet Predators Predators
Regions Europe Japan, East Asia
Conservation Least Concern Least Concern

Striped Ladybird

A large distinctive ladybird with cream streaks on a brown background. It lives exclusively in conifer trees.

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Did You Know?

One of the most distinctively patterned European ladybirds with elongated cream markings instead of round spots.

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.