در خوزستان و كليد شناسايي آنها SYRITTA)DIP:SYRPHIDAE( گونه هاي سيرفيده از جنس

Syrphidflies of the Genus Syritta (Dip: Syrphidae) in Khuzestan and key to the Species

During 1998-1999 syrphid flies were collected and compiled from various parts of Ahwaz region. The main tools for adult collection was white sweeping net, malaise trap and yellow watery traps .Specimens were mounted correctly and male genitalia was prepared. Figures of male genitalia, pattern of abdomen, wing venation and head profile were drown by drawing tube on Wild stereomicroscope. Species were identified with proper keys and investigated by Claussen from Germany .Syritta is one of the genera of the family found in 3 species: S . flaviventris; S. pipiens and S. vitlata. The last species is new record from Iran.The key for identifying genus species were prepared .