Ephysteris insulella is a moth in the family Gelechiidae. It was described by Hermann von Heinemann in 1870. It is found in France, Germany, Switzerland, Italy, Bulgaria, Romania and Russia."Ephysteris insulella (Heinemann, 1870)". Fauna Europaea. Retrieved November 30, 2018. Outside of Europe, it is found in south-eastern Kazakhstan, southern Siberia, Mongolia and China (Inner Mongolia, Xinjiang).

The length of the forewings is 7–8 mm. Adults are on wing from July to August. (2008). "A review of the genus Ehystris Meyrick, 1908 from China, with descriptions of two new species (Lepidoptera: Gelechiidae)". Zootaxa. 1733: 45-56.

Subspecies Ephysteris insulella insulella Ephysteris insulella praticolella (Christoph, 1872) (Italy, Balkans, south-western Russia, Tuva)

References