Small Yellow Underwing
Common NameSmall Yellow Underwing
Scientific NamePanemeria tenebrata
FamilyErebidae
SubfamilyBoletobiinae
Wingspan (mm)20
Wing Patterncryptic
Primary Colorsbrown, grey, yellow, black
HabitatMeadows, grasslands, heathland, open woodlands
Geographic RangeEurope, parts of Asia
Host PlantsBird's-foot Trefoil (*Lotus corniculatus*)
Flight PeriodMay to July
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae feed on low-growing plants, particularly Bird's-foot Trefoil. They pupate underground, and the species overwinters in the pupal stage, emerging as an adult in late spring to early summer.
Identification TipsKey features include its small size, diurnal flight, and the contrast between its cryptically patterned forewings and the flash of bright yellow hindwings (with a black border) visible during flight or when disturbed. Often found nectaring on flowers in sunny, grassy habitats.
Description
A small, day-flying moth with mottled dark brown and greyish-white forewings, and striking bright yellow hindwings with a broad black border, though the yellow is mostly concealed at rest. Its body is densely hairy and reddish-brown.
