A study of the genus Cyrtosia Perris (Diptera: Mythicomyiidae: Platypyginae) in Yazd province, Iran, with description of a new species Author Hakimian, Saeedeh Author Nozari, Jamasb Author Gharali, Babak Author Evenhuis, Neal text Zootaxa 2018 2018-02-26 4387 1 195 200 journal article 30655 10.11646/zootaxa.4387.1.10 20b5a2de-ebc3-4441-8867-f04b10215142 1175-5326 1186525 B5B51170-2B45-4F3E-9259-54EB741738D2 Genus Cyrtosia Perris Type species: Cyrtosia Perris, 1839 : 54 . Type species: Cyrtosia marginata Perris, 1839 , by monotypy. Diagnosis. The genus Cyrtosia is distinguished from other Mythicomyiidae by the combination of following characters: R2+3 present, discal cell open, postgena not extended posteriorly ( Greathead & Evenhuis 2001 ).