Flies in afternoon sunshine, later coming to light.
Popularly named the Rhubarb and Custard moth.
Resident on chalk downland and limestone cliffs, in the southernmost counties of England.
Increasing Norfolk records including Eccles in 2005 (N. Bowman, 29/07/05), Stoke Holy Cross in 2006 (A. Musgrove (21/07/06) and Overstrand in 2013 (G. Bond, 22/07/13).
New for VC28 in 2014 at Abbey Farm, Flitcham (R. Jones, J. Swalwell, 12/07/14) also Hockwold in 2014 (K. Puttick)
Records in more recent years from the Brecks suggest maybe a breeding population? Norfolk coastal records are of assumed migrants.
Recorded in 29 (39%) of 74 10k Squares.
First Recorded in 1900.
Last Recorded in 2021.