Life Style: A single brooded species flying at night and coming to light during May and June with a partial second generation found during August and September. The larvae hibernate. They feed on Thymus polytrichus. They pupate on or around the base of the foodplant.
Identification:Merrifieldia species have narrow curved forewing lobes. M. leucodactyla has cream or light ochre forewings and does not have the black spot on the costa that M. baliodactylus does. It may have a narrow brown shading along the costa. The larvae initially feed on the seeds of the foodplant but later on the leaves. As a larger larva it can be found on the upper surface of a leaf. More Info
Recorded in 3 (5%) of 58 10k Squares. First Recorded in 1896. Last Recorded in 2002. Additional Stats