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Species Stenoporpia polygrammaria - Faded Gray - Hodges#6459

Stenoporpia polygrammaria
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 Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Boarmiini
Genus Stenoporpia
Species polygrammaria (Faded Gray - Hodges#6459)
Hodges Number
6459
Synonyms and other taxonomic changes
original combination Cymatophora polygrammaria Packard, 1876
Size
wingspan 35 - 40 mm, females larger than males (1)
Identification
Adults - smokey white, appreciably whiter than other grays (Boarmini), the basal and medial bands often at least partially doubled. Hindwing discal spot elongate, scalloped terminal line on both wings (1)

Larvae - blotchy black and rust. See Wagner photo (1)
Range
primarily a western species occuring in southeastern Saskatchewan across southern Manitoba to central Wisconsin. Also seen in North Carolina and possiby Kentucky and West Virginia. There are historical records from Maine, New Hampshire, and Massachusetts but except for one record in Vermont (1957) it has been absent from New England for about 100 years (1)
Habitat
barrens and woodlands (1)
Season
adults fly in June, larvae mature in September (1)
Food
bear oak Quercus ilicifolia is the only known host but the laevae will eat other oaks (1)
Life Cycle
probably pupate underground (1)
Internet References
Works Cited
1.Rare, Declining, and Poorly Known Butterflies and Moths of Forests and Woodlands in the Eastern United States
Dale F. Schweitzer, Marc C. Minno, David L. Wagner. 2011. U.S. Forest Service, Forest Health Technology Enterprise Team, FHTET-2011-01. .