Glaucous Shears Papestra biren
Wingspan 32-40 mm.
A moorland moth, occurring sparsely throughout western and northern Britain, commoner in the north.
The adults fly during May and June, and can be attracted by light.
A wide range of moorland plants are used as food, including heather (Calluna) and bog-myrtle (Myrica gale) as well as sallows (Salix sp.).
The moths quite often rest in the open on fenceposts, tree trunks and rocks.