Geometridae : Sterrhinae
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Photo © Raymond A Watson,  Holleley, 20th August 2023

Similar Suffolk Species
Riband Wave
Idaea aversata
Plain Wave
Idaea straminata
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Portland Ribbon Wave
Idaea degeneraria

(Hübner, [1799]) 1714 / 70.017

Morley's Final Catalogue: Not recorded from the county in Morley's time, only known then from Portland, Dorset.

Recent Suffolk Status: Immigrant/ wanderer. 2 records on the same night on the coast in August 2023 were the first county records. Increasing and spreading in the UK so more records are likely in future years.

Life history: Single brooded in the UK but double brooded on the continent.

Identification: Smaller than Riband wave. Plain wave lacks any dark colouration between the cross lines.

Habitat: Coastal habitats.

Retained Specimen / Photograph will be Required.

Recorded in 2 (3%) of 58 10k Squares.
First Recorded in 2023.
Last Recorded in 2023.
Additional Stats

< Riband Wave | Plain Wave >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
20/08/2023+25TM34 - Hollesley/Rendlesham Forest
20/08/2023125TM46 - Minsmere/Leiston
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Portland Ribbon Wave
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Copyright © Lepidoptera UK 2024
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 13-15mm
Flight: June - July, (and Sept - Oct on the continent)
Foodplant:   various herbaceous plants
Red List: Least Concern (LC)
GB Status: Nationally Rare
Former Status: Red Data Book
Verification Grade:  Adult: 3
 Immature Adult   [Show Flight Times]
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2024. © James Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ - Suffolk 2024
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