South African Robber Fly vs Silverfish Strepsipteran

Side-by-side species comparison

Attribute South African Robber Fly Silverfish Strepsipteran
Scientific Name Alcimus tristrigatus Mengenilla chobauti
Order Diptera Strepsiptera
Family Asilidae Mengenillidae
Size 18-26 mm 2.0-3.5 mm (males)
Habitat Heathland Heathland
Diet Predators Parasites
Regions Southern Africa Europe, Africa
Conservation Least Concern Not Evaluated

South African Robber Fly

A large, hairy robber fly endemic to southern Africa's fynbos and savanna. It perches conspicuously on shrubs while scanning for prey.

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Did You Know?

Southern Africa harbors one of the richest robber fly faunas in the world.

Silverfish Strepsipteran

A primitive strepsipteran that parasitizes silverfish and firebrats. Unlike most strepsipterans, the adult female is free-living.

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Did You Know?

This is one of the most primitive strepsipterans, and the free-living adult female resembles a tiny larva.