Hellgrammite vs Australian Dobsonfly

Side-by-side species comparison

Attribute Hellgrammite Australian Dobsonfly
Scientific Name Nigronia serricornis Archichauliodes diversus
Order Megaloptera Megaloptera
Family Corydalidae Corydalidae
Size 40-60 mm wingspan 50-75 mm wingspan
Habitat Rivers & Streams Forests
Diet Predators Predators
Regions Eastern North America Australia, New Zealand
Conservation Least Concern Least Concern

Hellgrammite

A dark-colored dobsonfly whose larvae, known as hellgrammites, are prized as fishing bait. Adults are smaller than Corydalus and have serrated antennae.

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Did You Know?

Hellgrammite larvae are so effective as fishing bait that they are commercially collected and sold to anglers.

Australian Dobsonfly

A large, dark dobsonfly found in clean streams across southeastern Australia. Larvae are important predators in cool forest streams.

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Did You Know?

It is found on both sides of the Tasman Sea, occurring in both Australia and New Zealand.