This is a sexually dimorphic species, the males having broader and squarer forewings than the female and feathery antennae.
Pupates in loose soil.
Woodland, heathland, scrub, grassland and fen areas.
Recorded in 129 (47.8%) of the 270 2km squares of Huntingdonshire.
Last recorded in July 2021
Recorded date range (Adult): 03 May to 29 September