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For Insects, Spiders & Their Kin
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Species Gluphisia septentrionis - Common Gluphisia - Hodges#7931

Gluphisia septentrionis– Common Gluphisia Hodges #7931 - Gluphisia septentrionis Gluphisia wrightii ? - Gluphisia septentrionis Notodontidae: Gluphisia septentrionis? - Gluphisia septentrionis Notodontidae: Gluphisia septentrionis? - Gluphisia septentrionis Notodontidae: Gluphisia septentrionis - Gluphisia septentrionis Caterpillar - Gluphisia septentrionis Gluphisia septentrionis – Common Gluphisia Moth - Gluphisia septentrionis Notodontidae: Gluphisia septentrionis - Gluphisia septentrionis
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Notodontidae (Prominent Moths)
Subfamily Notodontinae
Tribe Dicranurini
Genus Gluphisia
Species septentrionis (Common Gluphisia - Hodges#7931)
Hodges Number
Synonyms and other taxonomic changes
5 synonyms listed at All-Leps but none more recent than 1927
described in 1855 by Walker
4 subspecies listed at All-Leps: albofascia, quinquilinea, ridenda, septentrionis
wingspan 25-33 mm
Adult: forewing varies from light to dark gray; yellowish-to-gold-to-brownish patches on wing vary in extent, either crossing the entire wing or being restricted to the medial area; postmedial (PM) line usually bordered by small pale patch at the costa; hindwing small, dirty white basally, shading to gray distally, with dark veins
subspecies ridenda, which occurs in the west, has gold basal and medial bands on the forewing, interspersed by charcoal gray shading (see photo by Jim Vargo in MPG link in Internet References section below)

Larva: pale green with prominent yellow subdorsal stripes; dorsum pale green or marked with wine red and yellow spots; head flattened with conspicuous antenna, often with black lateral lines; abdomen tapering to rear, last segment compressed
[description by David Wagner and Valerie Giles]
one of the most widespread moth species, occurring throughout North America except Nunavut and Northwest Territories
woodlands, parks, practically anywhere poplars grow
adults fly from May to August
larvae present from June to October
larvae feed on leaves of poplar (Populus spp.)
Life Cycle
two generations per year
Internet References
live adult images plus description, larval foodplant, flight season (Lynn Scott, Ontario)
4 pinned adult images showing variation in color and pattern, plus photos of related species by Jim Vargo (Moth Photographers Group)
adult images (Larry Line, Maryland)
pinned adult image by Paul Opler, plus US distribution map (
pinned adult image (A.W. Thomas, New Brunswick)
live larva image plus description, foodplant, seasonality, life cycles (David Wagner and Valerie Giles, Caterpillars of Eastern Forests, USGS)
article in Science - fascinating photo and interesting info on water uptake (& expulsion) and sodium retention/transfer (Cornell U., New York)
common name reference plus flight season and larval foodplant (Ohio State U.)
distribution in Canada; list of provinces and territories (U. of Alberta, using CBIF data)