Butterflies and Moths of North America

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Small Rivulet Moth
Perizoma alchemillata (Linnaeus, 1758)

Family: Geometridae
Subfamily: Larentiinae
Identification: Forewing reddish-brown mixed with gray; PM line jagged, bordered on both sides by conspicuous white band; AM line white, jagged, diffuse and indistinct; ST line white, jagged, distinct near costa only; hindwing light grayish-brown with whitish tint and brown terminal line
Wing Span: 1.4-2.4 cm
Life History:
Caterpillar Hosts: flowers and seed capsules of hempnettle (Galeopsis spp.)
Adult Food:
Habitat: woodlands, bogs, marshy areas
Range: holarctic; in North America, from Newfoundland to Quebec, and presumably adjacent northeastern states
Management Needs:
Taxonomy Notes: None.