The wingspan of Capua vulgana can reach 13–19 mm. These broad-winged Tortrix moths have a buff-coloured head and pale brown forewings with dark brown markings. Males are more well-marked than the females.
Biology
It is a univoltine species. Adults are on wing from May to June and can be found flying at dusk. The larvae feed on the leaves of a wide range of woodland trees and plants, including alder, hazel, rowan, pedunculate oak and bilberry.