Associated with chalk downland in the region, in the Chilterns and on the Berkshire Downs, and very local and uncommon. Restricted to a handful of sites and may be declining. It has already disappeared from most of southeastern England.

	Retained Specimen / Photograph will be Required.

Recorded in 11 (8%) of 140 10k Squares.
First Recorded in 1750.
Last Recorded in 2022.