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Portland Ribbon Wave
Idaea degeneraria (Hübner, [1799])
Geometridae: Sterrhinae
1714 / 70.017
Photo © Matt Stainthorpe,  Taverham 24/09/2021

Similar Norfolk Species
Riband Wave
Idaea aversata
Plain Wave
Idaea straminata
Forewing: 13-15mm
Flight: June - July, (and Sept - Oct on the continent)
Foodplant:   various herbaceous plants
Red List: LC (Least Concern)
Nat Status: Rare; Immigrant
Ex Status: Red Data Book
Verification Grade:  Adult: 3
Norfolk Status
Rare immigrant.

Resident population in Dorset and possibly Devon and Cornwall and in the Channel Islands.
Immigrant examples from mainland Europe are recorded at other locations along the south coast, usually in the Autumn.

Recorded in Norfolk 24th Sept 2021 to light at Taverham, Norwich. (M. Stainthorpe)

Retained Specimen / Photograph will be Required.

Recorded in 1 (1%) of 74 10k Squares.
First Recorded in 2021.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
24/09/2021127TG11 - Drayton/Swannington
Further info: Idaea degeneraria
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