Theodore's Arches
Common NameTheodore's Arches
Scientific NameAndropolia theodori
FamilyNoctuidae
SubfamilyHadeninae
Wingspan (mm)40
Wing Patterncryptic
Primary Colorsbrown, gray, cream
HabitatConiferous forests, woodlands
Geographic RangeWestern North America (Rocky Mountains region)
Host Plantsfir (Abies spp.), spruce (Picea spp.)
Flight PeriodAugust to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on the needles of coniferous trees, primarily fir and spruce. Pupation occurs in the soil or leaf litter, with adults emerging in late summer and fall.
Identification TipsIdentify by the complex, cryptic pattern of mottled browns, grays, and creams on the forewings, often with prominent, dark-outlined reniform and orbicular spots. The overall appearance mimics tree bark or lichen.
Description
A medium-sized moth with mottled brown, gray, and cream forewings featuring intricate wavy lines and distinct reniform and orbicular spots, providing excellent camouflage.
