ADULT: Wingspan 18mm to 20mm.  A frequently found species best recognised from similar species by the white longitudinal stripe that starts from the wing base and ends sharply at a dark oblique line.  The longitudinal strip sports a 'tooth' that faces outwards towards the inner edge. Most white lines are narrower than found in other species.  Males are somewhat darker than females.  Also knows as the Hook-Streak Grass Veneer. LARVA: Also known as a 'Sod Webworm' this species feeds on a variety of grasses. BEHAVIOUR: A night and day flyer and easily disturbed from long grass. Rests in a head down position. HABITAT: Grasslands and meadows. FLIGHT PERIOD: May to August. STATUS: Frequent throughout the UK.