|Similar Euclemensia, Gerdana, Antaeotricha schlaegeri, Cosmopterix pulchrimella|
Euclemensia bassettella, the kermes scale moth, is a moth in the family Cosmopterigidae. It was described by Clemens in 1864. It is found in North America in New Hampshire, southern Ontario, Illinois and from Florida to eastern Texas. The species lives on or near oak trees infected with scale insects.
The wingspan is 9–14 mm. Adults have been recorded on wing in February and from April to October.
The larvae parasitize scale insects in the genus Allokermes, and possibly the genera Eriokermes, Nanokermes and Kermes.