Acronicta insularis

Simyra insularis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Noctuidae
Genus:	Simyra
Species:	S. insularis
Binomial name
	Simyra insularis; (Herrich-Schäffer, 1868)
Synonyms
	Leucania henrici Grote, 1873; Simyra henrici (Grote, 1873); Leucania evanida Grote, 1873; Simyra evanida (Grote, 1873); Ablepharon fumosum Morrison, 1874; Simyra fumosa (Morrison, 1874); Ommatostolidea julithae Benjamin, 1933;

The Cattail Caterpillar (when referring to the larva) or Henry's Marsh Moth (when referring to the adult) (Simyra insularis) is a moth of the Noctuidae family. It is found from coast to coast throughout the United States and southern Canada (Ontario, Quebec, New Brunswick, Nova Scotia, British Columbia, Alberta, Saskatchewan and Manitoba).

The wingspan is 35–40 mm. Adults are on wing from April to September.

The larvae feed on Typha and Polygonum species, as well as various grasses and sedges, poplar and willow.

Subspecies

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