Phaulernis dentella is a moth of the family Epermeniidae. It is found in central and eastern Europe, the Caucasus and western Siberia. The wingspan is 9–10 mm. There is one generation per year with adults on wing in June. The larvae feed on the seeds of Pimpinella saxifraga, Chaerophyllum bulbosum, Chaerophyllum temulum, Aegopodium podagraria and Angelica silvestris. The larvae are yellowish with a dark brown head. They live within spun together seeds. Larvae can be found from July to August. The species overwinters in the pupal stage within a pupa made underground.