Glena grisearia is a species of geometridmoth in the family Geometridae. It is found in North America.
The MONA or Hodges number for Glena grisearia is 6445.
Further reading
A Revision of the Nearctic Species of the Genus Glena (Lepidoptera, Geometridae). 1965. Rindge . Frederick H.. Bulletin of the American Museum of Natural History. 129. 265–306. 2246/1617. free.