Peahen Moth
Common NamePeahen Moth
Scientific NameSemiothisa diana
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)25
Primary Colorsgrey, brown, black
HabitatConiferous and mixed forests, woodlands
Geographic RangeEastern North America (southeastern Canada south to Florida, west to Texas)
Host Plantshemlock, fir, spruce, pine
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'loopers' or 'inchworms' that feed on the needles of various conifer trees. They typically pupate in the soil or leaf litter.
Identification TipsKey features include its speckled greyish-brown coloration, the two distinct dark discal spots (one on each forewing and hindwing), and the slightly scalloped hindwing margins. Its cryptic pattern helps it blend with tree bark.
Description
A small to medium-sized moth with mottled greyish-brown wings, finely speckled with darker scales, featuring two prominent dark discal spots on the forewings and hindwings.
