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Species Protoboarmia porcelaria - Porcelain Gray - Hodges#6598

Protoboarmia porcelaria Porcelain Gray - Hodges#6598 - Protoboarmia porcelaria Porcelain Gray - Hodges#6598 - Protoboarmia porcelaria Geometrid caterpillar found on lichen - Protoboarmia porcelaria Large Purplish Gray - Hodges#6582? - Protoboarmia porcelaria Large Purplish Gray - Hodges#6582? - Protoboarmia porcelaria Caterpillar - Protoboarmia porcelaria Porcelain Gray - Protoboarmia porcelaria
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
No Taxon (Moths)
Superfamily Geometroidea
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Boarmiini
Genus Protoboarmia
Species porcelaria (Porcelain Gray - Hodges#6598)
Hodges Number
6598
Other Common Names
Dash-lined Looper (larva)
Synonyms and other taxonomic changes
described in 1857 by Guenee, who originally placed it in genus Boarmia
Size
wingspan 27-30 mm
Identification
Adult: wings pale brownish-gray crossed by dark brown/gray curving lines, at least one of which has small dentate (tooth-like) marks along its length; darkest mark on forewing is blackish blotch at costa where postmedian (PM) line begins; discal spot represented by short streak near point where antemedian (AM) line touches costa; hindwing discal spot usually present near center of wing
Range
throughout North America except Yukon and presumably Alaska
Season
adults fly from May to September
Food
larvae feed on cedar, balsam fir, douglas-fir, hemlock, larch, pine, spruce, soapberry, birch, elm, oak, poplar,
See Also
Small Engrailed (Ectropis crepuscularia) is larger, lacks discal spot on both wings, and darkest mark on forewing is along PM line near center of wing (compare images of both species at CBIF)
Internet References
live adult image (US National Park Service)
adult image (Larry Line, Maryland)
adult images (Dave Czaplak, Maryland)
live larva image and other info (Canadian Forest Service)
live larva image and other info (forestpests.org)
pinned adult image (James Adams, Dalton State College, Georgia)
pinned adult image and other info (US Geological Survey)
common name reference plus flight season and larval foodplants (Ohio State U.)