Catalogue of the Syrphidae of Egypt (Diptera) Author El-Hawagry, Magdi S. Author Gilbert, Francis text Zootaxa 2019 2019-04-05 4577 2 201 248 journal article 27386 10.11646/zootaxa.4577.2.1 edfb4093-4bf9-40ed-9fb4-bf492ccad12e 1175-5326 2629643 959CC8F8-E214-4A56-9343-CBCC2CBD43DD Syrphus turbidus Walker, 1871 [ SYRPHINAE : SYRPHINI ] Syrphus turbidus Walker, 1871 : 274 . Type locality: Egypt ( Cairo ). World distribution : PA: Egypt . Egyptian localities : Lower Nile Valley & Delta: Cairo [ Walker 1871 ]. Activity period in Egypt : Unknown. Remarks : This record is based only on the original description in 1871, and no specimens have been checked thereafter. Peck (1988) listed it as a doubtful species.