Family: Acroceridae (small-headed flies)
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Brachycera > Muscomorpha > Nemestrinoidea
Unidentified species feeding on nectar of Scabiosa africana (Dipsacaceae) flowers on Table Mountain.
Acrocerid flies can be easily distinguished from other
flies by the small head attached low on the large, domed thorax, giving the
insect a humpbacked appearance.
internal parasites of spiders. Eggs are laid away from the spiders. The hatched
larva searches for a host spider and burrows into it. It passes through three
instars and then leaves the host to pupate. Adults of some species feed on
nectar (see photo above).
Barraclough, D.A. 1984. Review of some Afrotropical
Acroceridae, with descriptions of eight new species from South Africa (Diptera:
Brachycera). Journal of the Entomological Society of Southern Africa 47:
Barraclough, D.A. & Londt, J.G.H. 1985.
Order Diptera. In: Scholtz, C.H. & Holm, E. 1985. Insects of Southern Africa. Butterworths, Durban.
Schlinger, E.I. 1960. A
review of the South African Acroceridae (Diptera). Annals of the Natal Museum
Text by Hamish G. Robertson