Grass Eggar
Common NameGrass Eggar
Scientific NameLasiocampa trifolii
FamilyLasiocampidae
SubfamilyLasiocampinae
Wingspan (mm)50
Primary Colorsbrown, reddish-brown
HabitatCoastal dunes, heathland, chalk grassland, open woodland
Geographic RangeEurope, North Africa, parts of Asia
Host Plantsgrasses, clover, trefoils, heather, broom, gorse, willow, sallow, birch, oak
Flight PeriodJuly to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are hairy and overwinter before pupating in a tough, egg-shaped cocoon; adults emerge in summer.
Identification TipsLook for the reddish-brown coloration, the pale, wavy postmedian line, and the small white discal spot on the forewings. Males have prominent feathery antennae.
Description
A medium-sized, stout-bodied moth with furry, reddish-brown wings, featuring a pale, wavy band and a small white spot on each forewing.
