Ilythea spilota is a species of 'shore flies' belonging to the family Ephydridae.
It is a Holarctic species with a limited distribution in Europe Fauna Europaea They are found along shorelines of small streams. The larvae consume pinnate diatoms. Newly hatched larvae form a protective case by fastening a mix of sand grains and detritus to their dorsal surfaces.Foote, B.A., 2007 Biology of Ilythea caniceps, I. spilota, and Zeros flavipes (Diptera: Ephydridae), case-making consumers of diatoms on shorelines Proceedings of the Entomological Society of Washington 109 (1):125-130 · January 2007
Distribution Canada, United States, Europe.
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