Rhyacia quadrangula

Rhyacia quadrangula
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Noctuidae
Genus:	Rhyacia
Species:	R. quadrangula
Binomial name
	Rhyacia quadrangula; (Zetterstedt, 1839)
Synonyms
	Agrotis quadrangula Zetterstedt, 1839; Agrotis rava Herrich-Schäffer, [1852] ; Agrotis umbratus Packard, [1867] ; Euxoa pallidifrons Hampson, 1903; Agrotis umbrata;

Rhyacia quadrangula is a moth of the family Noctuidae. It is found in Iceland, central Asia, the Pamir Mountains, Greenland as well as Canada (Quebec, the Northwest Territories, Manitoba, Nova Scotia and Newfoundland and Labrador) and the north-western United States.

The wingspan is 36–38 mm. Adults are on wing from July to September.

The larvae feed on Gramineae species.

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