The adults are charcoal-grey with a distinct yellow head and two sets of raised scale-tufts on their forewings.
The adults fliy in morning sunshine around branches of hawthorn and rest with spread wings and waving antennae.
Woodland edges, scrub and hedgerows.
Recorded in 8 (3%) of the 270 2km squares of Huntingdonshire.
Last recorded in May 2019
Recorded date range (Adult): 11 May to 09 September