منطقه مشهد و كليد شناسايي جنسها DIPTERA: SYRPHIDAE بخشي از فون مگسهاي سيرفيده

A part of the hoverflies (Diptera: Syrphidae) fauna of Mashhad region and a key to the genera

In 2000-2001, a faunistic survey on hover flies of Mashhad region was carried out. During this period, 24 species belong to 15 genera and 2 subfamilies were collected and identified. Among the specimens, 14 species as follow are new report for Khorasan province and those with asterisk are first report from Iran. Chrysotoxum intermedium*, Dasysyrphus albostriatus F., Enistalis tenax L., E. arbustorum L., E. taeniopsis Wied., Eristalinus aenus Scopoli Eupeodes nuba Wied., Ischioder aegyptius Wied., Myathropa florea L., Paragus haemorrhous * Meig, P. guadrifasciatus* Meig., Scaeva selenitica Meig., Sphaerophoria rueppellii Wied., Syritta pipiens L. An identification key to the genera is given.