Nationally scarce (Nb) in dry pastures and waste ground throughout much of England and Wales. In southern Hampshire and on the Isle of Wight, mainly coastal, but recorded once in northern Hampshire, in the Itchen Valley in 1968. There have been no recent records from the Isle of Wight. Wingspan 16-21 mm. Readily distinguished by the distinctive lemon-yellow general coloration of the forewing and the strong apical streak [Bradley]. Larva feeds within flowerheads of Yarrow, Field Wormwood and Stinking Chamomile, over-wintering in a cocoon.