Diaphora sordida is a moth of the family Erebidae first described by Jacob Hübner in 1803.[1] It is found in the Alps, the Pyrenees and the Apennines.[2]
The wingspan is 21–27 mm. There are two generations per year, with adults on wing from April to June and again from July to August. Adults are day-active.
The larvae feed on various low-growing plants, including Galeopsis, Stellaria, Taraxacum and Plantago species. The larvae can be found in late summer. They overwinter and pupate in spring.