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Species Alypia langtoni - Langton's Forester Moth - Hodges#9318

Six-spotted Forester - Alypia langtoni Six-spotted Forester - Alypia langtoni 9318 Six-Spotted Forester - NEW for NB - Alypia langtoni - male Langton's Forester Moth - Alypia langtoni Langton's Forester Moth - Alypia langtoni Small Moth - Alypia langtoni Alypia langtoni but in Colorado? - Alypia langtoni Alypia langtoni
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Agaristinae
Genus Alypia
Species langtoni (Langton's Forester Moth - Hodges#9318)
Hodges Number
9318
Other Common Names
Six-Spotted Forester
Synonyms and other taxonomic changes
Author: Couper, 1865
Size
Adults - forewing length 10 - 13mm (1)
Larvae - 35mm
Identification
Adults - Lars Crabo explains: "Note this species of Alypia is sexually dimorphic, female Alypia langtoni only have 6 spots (one on hind wing) whereas males have 8 spots (two on hind wing). Males have rings on the antennal shafts which might not be visible on a photo whereas A. octomaculata does not."

Larvae - skin smooth, general color white with linear, irregular black markings (Crumb, 1955)
Range
most of Canada from the Canadian Zone forests of southern Canada to the boreal forest and tundra regions of the Northwest Territories, the Yukon, and Alaska; eastern United States in northern and central Maine, northern New Hampshire, northern Vermont, and the Adirondack Mountains of upstate New York, northern Michigan and Minnesota, the mountains of the western United Statesd from the Canadian border east to western Montana and western South Dakota and south as far as the White Mountains of central Arizona, and California as far south as Santa Cruz County (Nearctica.com)
Food
Epilobium (Crumb, 1955)
Remarks
The most widespread Forester in Canada, ranging from Newfoundland & Labrador all the way to the Yukon. Adults with just one spot on each hindwing coupled with two on each forewing gives the species its common name.
Larvae feed on Fireweed (Epilobium) .
Internet References
Moth Photographers Group - species page
Nearctica.com - species page
Works Cited
1.Moths of Western North America
Powell and Opler. 2009. UC Press.