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 Eristalinus ( Lathyrophthalmus ) aeruginosus ( Collin, 1949 ) Eristalis aeruginosus Collin, 1949 : 196 . Type species: Egypt (Western Desert [as Libyan Desert]: Siwa Oasis, El-Khamsa [as Khamissa]). World distribution : PA: Egypt . Egyptian localities : Western Desert: El-Khamsa, Siwa Oasis [ Collin 1949 ]. Activity period in Egypt : April to August. Remarks : This species was described from Egypt in 1949, but has not been found again.