
Lesser Broad-bordered Yellow Underwing
Common NameLesser Broad-bordered Yellow Underwing
Scientific NameNoctua janthe
FamilyNoctuidae
SubfamilyNoctuinae
Wingspan (mm)30
Wing Patterncryptic
Primary Colorsolive-green, grey, brown, black
HabitatWoodlands, gardens, hedgerows, parks, heathland
Geographic RangeEurope, North Africa, parts of Asia
Host Plantsprimrose, dock, plantain, knotgrass, willow, birch, hawthorn
Flight PeriodJuly to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesEggs are laid in batches on host plants, and the larvae are polyphagous, feeding on various low plants and shrubs. Larvae overwinter before pupating in the soil.
Identification TipsDistinguished from the similar Broad-bordered Yellow Underwing by its smaller size and the less extensive black border on the hindwings. The forewing often has a more olive-green tint.
Description
This moth displays mottled, cryptic forewings in shades of olive-green, grey, and brown, featuring distinct darker markings and a pale reniform stigma. Its hindwings, though not visible, are bright yellow with a broad black border.





