Trichacantha atranupta family Athericidae
Quoted from: Field guide to South African Insects
"Members of this small, rather primitive, family resembles small horseflies with large, often smoky wings. Adults are found on rocks or vegetation alongside fast-flowing streams, where the aquatic larvae are predators. The region has the richest athericid fauna in the world, with at least 16 species in 3 genera.”
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwis6sVWMqYdlfKipANWWC5SD72l_VvbGb-dwSvK0i5_G-dD7I7Jh9K8KIfEAVEKvAdtc1TYzqbxDE0EV8ncJuPaVgXJ6Ir9fh3I6NCsJhKqS146_OAHKznTt_35HkuMCcf_gOkggt0yN-/s320/Athericidae_TrichacanthaAtranupta_M_IMG_25558a.jpg)
The hind legs are greatly enlarged and elongated.
Males (shown here) have a black patch on each wing while the females are small and a darkish brown.