Northern Petrophora Moth
Common NameNorthern Petrophora Moth
Scientific NamePetrophora subaequaria
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)28
Wing Patternstriped
Primary Colorsgrey, brown, tan
HabitatConiferous forests, woodlands
Geographic RangeTranscontinental in Canada and northern United States
Host PlantsPinus, Picea
Flight PeriodMay to July
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis. Larvae are 'loopers' or 'inchworms' characteristic of the Geometridae family, feeding on conifer needles.
Identification TipsIdentified by its cryptic grey-brown coloration with distinct wavy dark lines and lighter bands across the wings, especially on the forewings. The overall pattern helps distinguish it from similar geometrid moths.
Description
A small to medium-sized moth with mottled grey-brown wings, featuring several wavy, darker transverse lines and lighter tan bands, particularly on the forewings.
