Onchocerciasis Black Fly vs Malagasy Dobsonfly

Side-by-side species comparison

Attribute Onchocerciasis Black Fly Malagasy Dobsonfly
Scientific Name Simulium damnosum Neochauliodes madagascariensis
Order Diptera Megaloptera
Family Simuliidae Corydalidae
Size 2-4 mm 40-60 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Blood Feeders Predators
Regions Africa Madagascar
Conservation Least Concern Data Deficient

Onchocerciasis Black Fly

The primary vector of river blindness in West and Central Africa. Larvae thrive in oxygen-rich rapids of tropical rivers.

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Did You Know?

This species complex transmits the parasitic worm Onchocerca volvulus, which has blinded millions across Africa.

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.