Onchocerciasis Black Fly vs Sand Robber Fly

Side-by-side species comparison

Attribute Onchocerciasis Black Fly Sand Robber Fly
Scientific Name Simulium damnosum Philonicus albiceps
Order Diptera Diptera
Family Simuliidae Asilidae
Size 2-4 mm 12-18 mm
Habitat Rivers & Streams Beaches & Coastal
Diet Blood Feeders Predators
Regions Africa Europe, North Africa
Conservation Least Concern Least Concern

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.

Sand Robber Fly

A pale sandy-colored robber fly found on coastal dunes and sandy heaths. It hunts other flies and small insects on open sand.

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Did You Know?

Its pale coloration provides perfect camouflage against the sandy substrates where it hunts.