Frosted Green (Polyploca ridens) - Norfolk Moths - The macro and micro moths of Norfolk.

Drepanidae : Thyatirinae

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Photo © Kevin Leighton, 09/05/2012 - Stow Bardolph

Immature stages

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Similar Norfolk Species: None

Frosted Green

Polyploca ridens

(Fabricius, 1787)

1660 / 65.015

Norfolk status
Mature woodland flying early in the year.

Predominantly dark green, but does show variable colourings often appearing brown.

Recorded in 61 (82%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2025.
Additional Stats

Determination

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Jan

Feb

Mar

Apr

May

Jun

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Aug

Sep

Oct

Nov

Dec

Forewing:	15-17mm.
Flight:	One generation. Apr-May.
Foodplant:	Pedunculate Oak Sessile Oak and Turkey Oak
Red List:	Near Threatened (NT)
GB Status:	Common
Former Status:	Local
Verification Grade: Adult: 1

Immature

Adult

Further info: Polyploca ridens

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