73.336 Cerastis rubricosa (Red Chestnut)
fw: 14-17mm; Feb-Apr (-May in Scotland); various herbaceous and woody plants; common throughout GB.
ID: Forewing costa straight, termen fairly straight but rounded at tornus; ground colour ranges from pale reddish-brown to purplish brown with a variable mix of grey (darker forms predominating further north); oval, kidney and cross-lines usually faint, but sometimes pale and distinct. C.leucographa (White-marked) has a similar shape and colour range but has distinct white or white-outlined oval and kidney marks.
All images © Chris Lewis