This is the largest of this genus of four UK 'Longhorn' moths. All have unmarked ochreous wings and very long antennae (twice length of forewing in male, female a little shorter).

Woodland.

Recorded in 13 (4.8%) of the 270 2km squares of Huntingdonshire.

Last recorded in May 2019

Recorded date range (Adult): 17 April to 22 June