The Wing Atlas
Cuneate Arches Moth

Cuneate Arches Moth

Common NameCuneate Arches Moth
Scientific NamePolia nimbosa
FamilyNoctuidae
SubfamilyHadeninae
Wingspan (mm)45
Primary Colorsgrey, brown, reddish-brown, black, pale yellow
HabitatForests, woodlands, areas with deciduous trees and shrubs
Geographic RangeEastern and central North America, from Newfoundland west to British Columbia, south to Florida and Texas
Host Plantsbirch, willow, poplar, maple, aster
Flight PeriodMay to August
Conservation Statusleast-concern
Lifecycle NotesLarvae are typically green or brown, feeding on the foliage of various deciduous trees and shrubs. They pupate in the soil, and the species overwinters as a pupa.
Identification TipsKey features include the complex, mottled grey-brown forewing pattern with a reddish tint, the distinct reniform and orbicular spots (though variable), and the series of small pale yellow dots near the termen.

Description

This medium-sized moth has intricately patterned forewings, predominantly mottled grey and brown with reddish-brown accents and small pale yellow spots along the outer margin, providing excellent camouflage.

Similar Species