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. Outside of Europe, it is found in south-eastern Kazakhstan, southern Siberia, Mongolia and China (Inner Mongolia, Xinjiang).
The length of the forewings is 7âÂÂ8 mm. Adults are on wing from July to August.