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Single-dotted Wave
Idaea dimidiata (Hufnagel, 1767)
Geometridae: Sterrhinae
1708 / 70.011
Photo © Paul Kipling, 16 Jul 2010,  NZ20: Richmond, VC65

Similar Yorkshire Species
Treble Brown Spot
Idaea trigeminata
Forewing: 9-11mm
Flight: June - August
Foodplant:   Cow parsley, Burnet-saxifrage, Hedge bedstraw
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1

Yorkshire Status: Very common and fairly widespread resident.

Widespread and common all across the county, though numbers appear to have reduced a little in recent years.

Sutton & Beaumont, 1989: This species seems to have increased in some areas since the last list (YNU, 1970). Now widely distributed and often frequent especially on lower ground.

Recorded in 160 (80%) of 200 10k Squares.
First Recorded in 1880.
Last Recorded in 2023.
Additional Stats

Latest 5 Records
Date#VC10k Area
07/10/2023164SE33 - Leeds
29/09/2023261TA07 - Hunmanby
28/09/2023165SE29 - Catterick
17/09/2023165SE37 - Ripon
16/09/2023162SE57 - Easingwold (N)
Further info: Idaea dimidiata
 
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