Geometridae : Ennominae

Photo © Dave Jones,  15/06/2012 - Stoke Holy Cross

  Immature stages

Similar Norfolk Species
Oak Beauty
Biston strataria
Peppered Moth
1931 Biston betularia
(Linnaeus, 1758) 70.252
Norfolk status
Common in gardens and a wide variety of other habitats. The adults are seen from mid May to mid August, and are typically white with black 'peppered' markings.
Two darker forms are more common where the trunks of trees are blackened by pollution. This is a classic example of evolution in action and has been much studied.

f. carbonaria: Sooty black, frequent in industrial areas correlating with levels of industrial pollution.

f. insularia: Genetic intermediate form, not a result of mixed mating, again more frequent in polluted areas.

Recorded in 66 (96%) of 69 10k Squares.
First Recorded in 1834.
Last Recorded in 2014.

‹ Oak Beauty  |  Spring Usher ›

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
05/08/2014227TG51 - Winterton/Caister
04/08/2014127TG02 - Foxley/Foulsham
04/08/2014127TG51 - Winterton/Caister
03/08/2014127TG04 - Blakeney/Cley
01/08/2014128TF84 - Burnham/Holkham
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Copyright © Jim Wheeler 2015
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 22-28mm.
Season: One generation May-Aug.
Foodplant:   many small plants, trees and shrubs
Nat Status: Common
 Immature Adult
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Underlying maps produced by MapMate™ using Digital Map Data © HarperCollins-Bartholomew 2015. Data © Norfolk Moths 2015. Technology based on work by Mark Yeates @ MapMate™