66.006 Grass Eggar Copyright Martin Evans
 66.006 Grass Eggar Copyright Martin Evans
 66.006 Pale Grass Eggar Copyright Martin Evans
 66.006 Grass Eggar larva 45mm Copyright Martin Evans
 Distribution map Copyright Martin Evans
 Life stages table Copyright Martin Evans  66.006 Grass Eggar Copyright Martin Evans

Lasiocampidae

66.006 Grass Eggar Lasiocampa trifolii trifolii ([Denis & Schiffermüller], 1775)

Notable A

Pale Grass Eggar Lasiocampa trifolii flava Chalmers-Hunt, 1962

RDB Dungeness

Similar species: The female Oak Eggar Lasiocampa quercus quercus is similar to Pale Grass Eggar but larger with a broader outer cross band and the inner band absent.

Forewing: M 21 to 24mm, F 25 to 30mm

Habitats: Sparsely vegetated sand-dunes, vegetated shingle, sea-cliffs and inland heathland.

Habits: The moth comes to light.

Foodplant: The larva feeds at night on Tree Lupin, False Oat-grass, Marram, Bramble, Creeping Willow, Kidney Vetch, Common Bird's-foot Trefoil, Red Clover, Purple Clover, Thrift and Spiny Restharrow. The dominant foodplant varies for each population. It pupates in a tough brown cocoon attached to vegetation close to the soil.