Sharp-stigma Looper Moth
Common NameSharp-stigma Looper Moth
Scientific NameMacaria signaria
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)24
Wing Patterncryptic
Primary Colorsbrown, grey, white
HabitatConiferous and mixed forests, woodlands
Geographic RangeNorth America (widespread from Alaska to California and New England), Eurasia
Host Plantsspruce, fir, hemlock, pine
Flight PeriodMay to September (two broods in many areas)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'loopers' or 'inchworms' that feed on conifer needles. They pupate in the soil or leaf litter, emerging as adults after metamorphosis.
Identification TipsLook for the mottled brown and grey bark-like camouflage, the irregular wing margins, and the characteristic 'sharp stigma' (a dark, often pointed mark) on the forewing, though it may be subtle depending on the angle.
Description
This moth exhibits a highly cryptic, mottled brown and grey pattern with irregular wing margins, allowing it to blend perfectly with tree bark or lichen. Its wings are held in a tent-like posture, enhancing its camouflage.
