Norfolk status Not thought to be present in Norfolk.
D. dilutella has now been split, and has a sister species D. inscriptella. Differences in the genitalia of both sexes were detected by Leraut (2001) and the species added to the British list in 2015 (D. Agassiz, Ent. Rec.127)
D. dilutella, ground colour grey, giving a bright appearance with a white sub-basal fascia.
Confirmed records from Cornwall, Ireland, Isle of Man and Scotland. Distribution is not completely known until more specimens have been determined.
Norfolk records of D. dilutella have so far all been determined as D. inscriptella.
Any suspected D. dilutella must be confirmed by Gen. Det. to be accepted.
Determination by Genitalia Examination (gen. det.) Required