Grass Eggar Lasiocampa trifolii
Grass Eggar Lasiocampa trifolii
Adult • Dorset • © Chris Manley

66.006 BF1636
Grass Eggar Lasiocampa trifolii

([Denis & Schiffermüller], 1775)

Wingspan 40-55 mm.

In common with many of the Lasiocampidae, the females of this species are larger than the males, though otherwise similar in appearance.

The hairy caterpillars feed on a variety of grasses and plants.

It occurs rather locally, on coastal sand hills in the north-west and south-west of Britain, and flies at night in August and September, when it is attracted to light.
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