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Dotted Border Wave
Idaea sylvestraria (Hubner, 1799)
Geometridae: Sterrhinae
1701 / 70.010
Photo © Dave Williamson,  Hatfield Moors, VC63

Similar Yorkshire Species
Satin Wave
Idaea subsericeata
Dwarf Cream Wave
Idaea fuscovenosa
Foodplant:   Wild Thyme, Dyer's Greenweed and Petty Whin.
Red List: Least Concern (LC)
GB Status: Nationally Scarce
Former Status: Nationally Scarce B
Verification Grade:  Adult: 3

Yorkshire Status: Very rare and very local resident.

Sutton & Beaumont, 1989: There were no records of this species for several years until it was rediscovered on Strensall Common (VC62) in July 1986 (NG). This was the species' former stronghold in the County but it had not been recorded there since 1970 (Jackson, 1971).

Current status (CHF, 2011): Historical isolated populations at Strensall and Allerthorpe, the last reported in 1986. Does it still occur here?

Retained Specimen / Photograph will be Required.

Recorded in 5 (3%) of 200 10k Squares.
First Recorded in 1881.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
29/06/2021163SE70 - Sandtoft
01/07/2013163SE70 - Sandtoft
July 1986+62SE65 - York (E)
1970+62SE65 - York (E)
1960+61SE74 - Pocklington (W)
Further info: Idaea sylvestraria
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