Dichrorampha simpliciana (Haworth, 1811)
49.3150 (B&F: 1281)
A resident species, scarce in both vice-counties, although occasionally fairly common at Walberton. Undetected in the East since 1986. Single-brooded, flying mainly from late July to mid-August. Larvae feed on the roots of mugwort. (Pratt, 2011).