Head: White. Face has a two black spots; one at center of face, and one above, between the eyes. Top back of head has two dark streaks.
Antenna: Base (scape) and first few segments white, becoming darker mid segments, then lighter at tips. Antenna longer than body. Thicker on male.
Thorax: Dark with a whitish Y-shaped mark in center.
Wings: Clear with dark veins. Triangular stigma on costal margin nearer tip has a clear center, bordered by a thick black, changing to white vein, ending with a small black dot. Black spot mid-wing on top edge (inner or posterior).
Legs: Mostly whitish, feet darker.
Abdomen: Mostly whitish with brown streaks – appears striped. Male abdomen thinner, curved.
Size: 6 mm to wing tip.
Flight Time: Mid-July to August.
Habitat: Trunks and branches of both deciduous and conifer trees, also fence posts and old wooden buildings.
Food: Lichens, dead bark.
Life Cycle: Eggs are covered with webs by the female.
Comments: Not listed for Essex or Kent county. Recorded for Guelph, Wellington and also Belleville.
For information on synonyms, references and type specimens see next page