Northern Deep-brown Dart
Common NameNorthern Deep-brown Dart
Scientific NameXestia rhaetica
FamilyNoctuidae
SubfamilyNoctuinae
Wingspan (mm)35
Wing Patterncryptic
Primary Colorsdark brown, grey-brown, reddish-brown
HabitatConiferous forests, subalpine and alpine regions, heathlands
Geographic RangeNorthern Europe (Fennoscandia), Central European mountains (Alps, Carpathians), parts of Russia and Asia
Host PlantsVaccinium myrtillus, Calluna vulgaris, Empetrum nigrum
Flight PeriodJuly to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are polyphagous, feeding on various low-growing plants. They overwinter as larvae and pupate in the soil in spring, with adults emerging in summer.
Identification TipsDistinguished by its dark, mottled brown forewings with clear reniform and orbicular stigmata, and a characteristic dark basal streak. Requires close examination to differentiate from similar *Xestia* species.
Description
A medium-sized, robust moth with mottled dark brown to reddish-brown forewings, featuring distinct kidney-shaped and circular markings, and a prominent dark basal streak. The hindwings are typically greyish-brown.
