Lasiocampidae: Poecilocampinae

1632 (ABH66.002) Pale Eggar Trichiura crataegi, (Linnaeus, 1758)


Monks Wood, 30th Aug., 2007.
Monks Wood, 30th Aug., 2007.
 Photo © Nick Greatorex-Davies
Monks Wood, 30th Aug., 2007.
 Photo © Nick Greatorex-Davies

General Information

One of the smaller members of the Lasiocampidae and unlikely to be confused with other moths flying at the time of year.


Pupates in a cocoon in leaf litter.

Overwinters as Overwinters as an egg.
Both sexes readily come to light, sometimes in numbers.

Forewing length: 14-17mm.
Foodplant(s): birches (Betula spp.), Blackthorn (Prunus spinosa), hawthorns (Crataegus spp.)
Flying: One generation, August-September
UK Presence: Resident
National status: Common


Heathland and the edges of woodland. Favours sunny locations.

Regional Information

Recorded in 25 (9.3%) of the 270 2km squares of Huntingdonshire.

Last recorded in September 2019

Recorded date range (Adult): 17 August to 01 October

Recorded date range (Larva/Leafmine): 07 May to 25 August

Larva Type:
Grey, Black, Orange, yellow, white
No. of Proleg Pairs: