This species is easily identified by the protruding snout and unusual resting wing posture where the hind wings protruding in front of the forewings. There is little variation in the colouration except for rare pale or black forms.
The adults are incapable of feeding. They fly at night and are attracted to light in small numbers. The caterpillars can be found from August to late the following May, feeding at night and overwintering a small larvae. They pupate in a tough cocoon on the ground.
Size and Family
- Family – Eggar moths (Lasiocampidae)
- Large Sized
- Wingspan Range – 56-84mm
- UK BAP: Not Listed
Caterpillar Food Plants
Blackthorn (Prunus spinosa), Hawthorn (Crataegus monogyna), Crab Apple (Malus sylvestris) and cultivated Apple (Malus domestica). Also recorded on sallows, Buckthorn (Rhamnus cathartica) and Alder Buckthorn (Frangula alnus).
Hedgerows and open woodland
- Countries – England and Wales
- Common. Well distributed in England south of the Severn, extending to the Wash and locally to the Humber. Occasional records in south Wales and the Channel Islands.
Lappet - Marcell Kárpáti
Lappet - Bob Eade
Lappet - Stuart Read
Lappet (caterpillar) - Ryszard Szczygieł