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Frosted Green
Polyploca ridens (Fabricius, 1787)
Drepanidae: Thyatirinae
1660 / 65.015
Photo © Gillian Nash,  Leigh, Sherborne, Dorset

Similar Dorset Species: None
Forewing: 15-17mm
Flight: April - May
Foodplant:   Oaks
Red List: Near Threatened (NT)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 1

Davey, P., 2009: A locally common species in the south of England and Wales but becoming scarcer further north, the larva feeding on oak (Quercus spp.). In Dorset, the moth is common locally, frequenting old woods and localities containing much mature oak. Sites listed are similar to those for Oak Lutestring1658. The moth is observed only very occasionally away from oak-bearing habitat.

Recorded in 29 (73%) of 40 10k Squares.
First Recorded in 1939.
Last Recorded in 2019.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
25/04/201919ST50 - Halstock
23/04/201919ST61 - Sherborne
23/04/201919SY68 - Weymouth / Martinstown
23/04/201919SY78 - Broadmayne
22/04/201919ST61 - Sherborne
Further info: Polyploca ridens
 
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