Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Henry's Marsh Moth
Simyra insularis (Herrich-Schaffer, 1868)

Family: Noctuidae
Subfamily: Acronictinae
Identification: Forewing narrow and pointed; white with brown filling between veins. Forewing looks tan overall. Three dark brown streaks extend inward from outer margin, shortest streak near apex. Hindwing pure white without markings.
Wing Span: 3.5-4 cm.
Life History: 2 or more broods.
Flight: April-August.
Caterpillar Hosts: Cattails, grasses, poplars, sedges, and willows.
Adult Food:
Management Needs:
Comments: Was Simyra henrici (Grote, 1873); changed at request of Phil Koenig in Oct 2008