Rare resident of calcareous grassland.

Lotus corniculatus, Thymus spp. with larva feeding in May, in a silken tube extending down into the ground.

	Determination by Genitalia Examination (gen. det.) Required

Recorded in 4 (3%) of 140 10k Squares.
First Recorded in 1887.
Last Recorded in 2021.
(Data up to end 2023)