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Species Operophtera brumata - Winter Moth - Hodges#7436

Inchworm - Operophtera brumata Caterpillar - Operophtera brumata Moth on House - Operophtera brumata Another bad year to be a tree - Operophtera brumata two pairs pale prolegs, winter moth caterpillar - Operophtera brumata Winter Moth - Operophtera brumata - male Winter Moth - Operophtera brumata - male Moth - Operophtera brumata - male
Show images of: caterpillars · adults · both
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 Larentiinae
Tribe Operophterini
Genus Operophtera
Species brumata (Winter Moth - Hodges#7436)
Hodges Number
Synonyms and other taxonomic changes
Operophtera brumata, (Linnaeus, 1758)
one of three species in the genus for North America north of Mexico
wingspan is 28–33 mm
Females of this genus have vestigial wings
Native to Europe, introduced to Northeast and Pacific Northwest, pest species in areas such as Boston. Established in the NW since the 1970s
adult males seen October to February and often attracted to lights
larvae feed on willow, trembling aspen, paper birch, balsam poplar, and bigleaf maple
this introduced species is a serious pest (defoliator)

Print References
Gwiazdowski, R.A., J.S. Elkinton, J.R. Dewaard, M. Sremac, 2013. Phylogeographic Diversity of the Winter Moths Operophtera brumata and O. bruceata (Lepidoptera: Geometridae) in Europe and North America. Annals of the Entomological Society of America. 106 (2): 143-151.
Internet References
Moth Photographers Group - species page with photographs of living and pinned adults.