Lasiocampidae : Poecilocampinae
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Photo © Ben Sale,  Stevenage, Hertfordshire (24/10/20) - Male

Immature stages

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Small Eggar
Eriogaster lanestris
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December Moth
Poecilocampa populi

(Linnaeus, 1758) 1631 / 66.001

General comments:
A widespread and common species, but overlooked in many areas perhaps because some people do not run traps late enough in the year. Adults of both sexes come to light traps in large number and adults are rarely recorded by any other method. They fly early in the evening from around 5 or 6 pm and appear to stop after two or three hours since, on several occasions, traps that were not turned on until about 10 pm failed to attract any examples of this species in areas where the moth is present.

Hertfordshire Notes:
Likely to be present in almost all the map tetrads of the county.

Middlesex Notes:
Curiously absent from the River Lea Valley.

Recorded in 31 (76%) of 41 10k Squares.
First Recorded in 1887.
Last Recorded in 2023.
Additional Stats

< Yellow Horned  |  Pale Eggar >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
17/12/2023120TL30 - Hoddesdon / Cheshunt
16/12/2023120TL23 - Letchworth / Baldock
16/12/2023520TQ09 - Watford / Rickmansworth
13/12/2023120TL41 - Sawbridgeworth / Bishop's Stortford
13/12/2023121TQ18 - Harrow / Wembley / Ealing
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record December Moth
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 15-21mm.
Flight: One generation. Oct-Jan
Foodplant:   Broadleaf Trees, Oak, Birch, Elm etc
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
 Immature Adult   [Show Flight Weeks]
© hertsmiddxmoths.uk 2024 NOLA®; Database using MapMate® Digital Maps © Bartholomew 2010. Design © Jim Wheeler 2024
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