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Hi, any help to identify to family level at least.

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Looks like Chloropidae

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Thanks Tony. my specimen collected by baited trap using sardina to study diptera flies related to corpses in Libya.

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Chloropidae, Oscinellinae: Surely a Siphunculina Rondani, 1856 species with broken off wings, very short bristles are typical. The species partly develop in excrements and are known as eye gnats (of the subtropical and tropical countries of the Old World). Such species are vectors of harmful bacteria. Swarms and resting aggregations have been reported.