a survey was conducted on the fauna of the hover flies in northern iran in 2011. among the collected and identified material, the genus temnostoma le peletier & serville, 1828represented by a single species, t. vespiforme (linnaeus, 1758) is newly detected in iran. diagnostic characters and geographical distribution of the newly recorded species is briefly discussed.

—Linnaeus described 37 species of flower flies (Diptera: Syrphidae). His collection was studied, and the current status of all his flower fly names is given. Six new synonyms are established (Scaeva annulipes Zetterstedt = Eriozona erratica (Linnaeus), Musca citrofasciata DeGeer = Xanthogramma /estiva (Linnaeus), Xylota curvipes Loew = Chalcosyrphus femoratus (Linnaeus), Chrysogaster chalybeata...