Evergestis desertalis is a species of moth in the family Crambidae described by Jacob Hübner in 1813. It is found in Spain, Romania, Bulgaria, Ukraine (Crimea), south-eastern Russia,Zolotuhin, V.V. (2005). "On new and little-known pyralid moths (Lepidoptera: Crambidae, Pyraustidae) from the Lower and Middle Volga Region". Eversmannia. 3-4: 3-17. on Sicily, Malta and Crete,Fauna Europaea Arabia and North Africa, including Algeria and Tunisia.
The wingspan is about 27 mm. There are two or more generations per year with adults on wing from May to October.
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