Sepedon sphegea is a PalearcticFauna Europaea species of fly in the family Sciomyzidae, the marsh flies or snail-killing flies.Séguy, E. (1934) Diptères: Brachycères. II. Muscidae acalypterae, Scatophagidae. Paris: Éditions Faune de France 28 Bibliotheque Virtuelle Numerique pdfBei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Parts I, II. Amerind Publishing Co., New Delhi. The larva feeds on aquatic snails and as an opportunist on other invertebrates.Lloyd Vernon Knutson and Jean-Claude Vala, 2011 Biology of Snail-Killing Sciomyzidae Flies Cambridge University Press Neff S. E. & Berg C. O. 1966. Biology and immature stages of malacophagous diptera of the genus Sepedon (Sciomyzidae). Virginia Agricultural Experiment Stations Bulletin, 566: 1-113. The habitat of this species includes among many others, pond margins and damp meadows. It has a particular fondness for Iris pseudacorus which grow at the edges of the pond. Adults can be found all year long but the main flight period is from March to October.
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External links Ecology of Commanster