Labrador Dart
Common NameLabrador Dart
Scientific NameXestia imperita
FamilyNoctuidae
SubfamilyNoctuinae
Wingspan (mm)34
Wing Patterncryptic
Primary Colorsreddish-brown, grey
HabitatTundra, boreal forests, open coniferous woodlands, bogs, fens
Geographic RangeNorthern North America (Alaska, Canada, northern US states)
Host PlantsVaccinium, Salix, Betula, various low-growing herbaceous plants
Flight PeriodLate June to August
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae are polyphagous on low-growing plants and overwinter as larvae or pupae. Pupation occurs in the soil, with adults emerging in mid-summer.
Identification TipsKey features include the reddish-brown forewings with indistinct 'dart' markings (orbicular and reniform spots) and the greyish hindwings. Its robust, hairy body and northern distribution are also characteristic.
Description
A medium-sized, robust moth with reddish-brown to dull brown forewings featuring faint, darker reniform and orbicular spots. The hindwings are greyish-brown with a pale fringe, and the head and thorax are densely covered in reddish-brown hairs.
