1158 Rhopobota ustomaculana
(Curtis, 1831)Wingspan c.13 mm.
A local species, occurring in upland districts from northern England to Scotland and in north Wales.
The foodplant is cowberry (Vaccinium vitis-idaea), and the larvae spin together the leaves feeding on the upper parenchyma. The species overwinters in this stage.
The adult moths emerge in June or July and fly during the afternoon and evening.