Japanese Dobsonfly vs Chinese Dobsonfly

Side-by-side species comparison

Attribute Japanese Dobsonfly Chinese Dobsonfly
Scientific Name Protohermes grandis Neoneuromus ignobilis
Order Megaloptera Megaloptera
Family Corydalidae Corydalidae
Size 40-60 mm body length 40-60 mm body
Habitat Rivers & Streams Rivers & Streams
Diet Predators Omnivores
Regions East Asia, Japan Asia
Conservation Least Concern Least Concern

Japanese Dobsonfly

A large aquatic insect known as 'hebi-tonbo' (snake dragonfly) in Japanese. The adult males have elongated, curved mandibles. Larvae called 'magotaro-mushi' are used as fishing bait.

💡

Did You Know?

Dobsonfly larvae are prized as live fishing bait in Japan and are collected from stream rocks by anglers targeting ayu (sweetfish).

Chinese Dobsonfly

A large dark-colored dobsonfly found in streams across China and Southeast Asia. It is less well known than its North American relatives but equally impressive in size.

💡

Did You Know?

In parts of China, dobsonfly larvae are collected from streams and used in traditional medicine as a remedy for various ailments.