A resident species, often fairly common and sometimes common at mv light in both vice-counties. Probably generally distributed and increasing. Single-brooded, flying mainly from early July to mid-September. Larvae feed on oak acorns. (Pratt, 2011).
Steyning, 15 vii 2018 Photo: Olly Ellis
melanic form Crowborough, 22 viii 2014 Photo: Charles Waters