Pero morrisonaria

Pero morrisonaria, or Morrison's pero, is a moth of the family Geometridae. The species was first described by Henry Edwards in 1881. It is found from Newfoundland to British Columbia, and coast to coast in the northern United States, south in the east to South Carolina, south in the west to California.

Morrison's pero
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Geometridae
Genus:	Pero
Species:	P. morrisonaria
Binomial name
Pero morrisonaria H. Edwards, 1881
Synonyms
Pero morrisonatus

The wingspan is 34–40 mm. The moth flies from May to July depending on the location.

The larvae feed on Abies balsamea and other firs, like Pseudotsuga menziesii, hemlock, pine, spruce and tamarack. Furthermore, they have been reported on broad-leaved trees and shrubs such as alder, birch, buffaloberry, meadowsweet, poplar and willow.