Very local in the region, almost exclusively in the Chilterns. Found on unimproved well-drained calcareous grassland. A retiring species, best looked for as a larva and could be more widespread.

	Retained Specimen / Photograph will be Required.

Recorded in 14 (18%) of 78 10k Squares.
First Recorded in 1912.
Last Recorded in 2021.
(Data up to end 2022)