Malagasy Dobsonfly vs Great Red Sedge

Side-by-side species comparison

Attribute Malagasy Dobsonfly Great Red Sedge
Scientific Name Neochauliodes madagascariensis Phryganea striata
Order Megaloptera Trichoptera
Family Corydalidae Phryganeidae
Size 40-60 mm wingspan 20-25 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Herbivores
Regions Madagascar Europe
Conservation Data Deficient Least Concern

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.

Great Red Sedge

A large cinnamon-colored caddisfly with distinctive striped wings, well known to European anglers. It hatches in early summer on lakes and slow rivers.

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Did You Know?

This caddisfly inspired one of the oldest known artificial fishing flies, the "Great Red Sedge," used since at least the fifteenth century.