
Stenoporpia excelsaria
Common NameStenoporpia excelsaria
Scientific NameStenoporpia excelsaria
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)28
Wing Patterncryptic
Primary Colorsgray, brown, black
HabitatConiferous forests, woodlands
Geographic RangeWestern North America (e.g., California, Oregon, Washington, British Columbia)
Host PlantsPseudotsuga menziesii (Douglas-fir), Abies spp. (fir)
Flight PeriodAugust to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis; larvae are caterpillars that feed on the needles of coniferous trees, particularly Douglas-fir and other fir species.
Identification TipsKey features include the mottled gray-brown cryptic pattern with distinct wavy transverse lines across both forewings and hindwings, and its occurrence in conifer forests of western North America.
Description
A medium-sized moth with broad, mottled gray and brown wings featuring several irregular, wavy dark lines, providing excellent camouflage against tree bark.




