Crostwright Heath, Norfolk 15.xii.2013 M Acourt. Gen Det (Male) J. Wheeler. (slide 1401)

Comparison between The Northern Winter Operophtera fagata and Winter O. brumata males

Female, Ex larva Uffmoor Wood, Worcestershire, April 2009.

Ex larva Uffmoor Wood, Worcestershire, April 2009.

Male, Ex larva off Birch, Uffmoor Wood, Worcs 29.4.09 Gen Det

Clowes Wood, WARKS.

Female. Ex larva on birch, Chartley Moss, Staffordshire.

Female. Ex larva on birch, Chartley Moss, Staffordshire.

Kildary, Ross-shire
November 2015

Kildary, Ross-shire
November 2010

Kildary, East Ross
14 November 2020
Pair in cop

Kildary, East Ross
15 November 2020
Pair in cop

Kildary, East Ross
15 November 2020
Pair in cop

Came to light

Uffmoor Wood, Worcestershire, April '09 off Birch. Imago reared.

Kildary, East Ross
29 November 2020
Ova on birch ex mated pair

Kildary, East Ross
12 May 2022
8 mm larva commencing spinning on silver birch

Kildary, East Ross
13 May 2022
8 mm larva on silver birch

Kildary, East Ross
13 May 2022
10 mm larva in web on silver birch

Kildary, East Ross
13 May 2022
10 mm larva uncovered from web on silver birch