Summer Fishfly vs Malagasy Dobsonfly

Side-by-side species comparison

Attribute Summer Fishfly Malagasy Dobsonfly
Scientific Name Chauliodes pectinicornis Neochauliodes madagascariensis
Order Megaloptera Megaloptera
Family Corydalidae Corydalidae
Size 25-40 mm 40-60 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Predators
Regions North America Madagascar
Conservation Least Concern Data Deficient

Summer Fishfly

A medium-sized fishfly emerging in summer with distinctive dark-veined wings and feathery antennae. Larvae develop in muddy stream bottoms.

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Did You Know?

Unlike dobsonfly larvae that prefer fast-flowing water, summer fishfly larvae thrive in slow muddy pools and swamps.

Malagasy Dobsonfly

A large, brown-winged insect with broad wings held tent-like over the body at rest. Males may have elongated mandibles. Larvae are aquatic and known as hellgrammites.

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Did You Know?

The aquatic larvae are considered indicators of clean water quality, as they cannot tolerate polluted streams.