Glena cognataria
Glena cognataria  (Blueberry Gray)

Field Marks

Wings very pale gray with a purplish cast. Lines black but often faint and broken into spots. Often some diffuse gray shading beyond PM line.


This species looks a little like cribrataria but also take a look at Hypomecis lurida.


Distribution pattern: Atlantic coastal.

Glena cognataria
Rindge 1965
McGuffin 1977
Cornell University

Glena cognataria
Glena cribrataria
Glena plumosaria

Life History

Wetland species (Wagner et al 2003).

This species is critically imperiled in NY, rare in MA, NH.

Host Plants

Blueberry (Covell 1984)

Similar Species

Glena cribrataria

Hypomecis lurida


Rindge FH. 1965. A revision of the nearctic species of the genus Glena (Lepidoptera, Geometridae). Bulletin of the American Museum of Natural History 129 (3): 267-306.

McGuffin WC. 1977. Guide to the Geometridae of Canada (Lepidoptera) II. Subfamily Ennominae. 2. Memoirs of the Entomological Society of Canada 101: 1-125.

Covell CV. 1984. A field guide to the moths of Eastern North America. Houghton Mifflin Company: Boston. 496 pp.