Geometridae : Sterrhinae
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Single-dotted Wave
Idaea dimidiata

(Hufnagel, 1767) 1708 / 70.011
Photo © Ray Priestley,  Fishlake 07/06/2024

Similar Yorkshire Species
Treble Brown Spot
Idaea trigeminata
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Express Record Single-dotted Wave

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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

< Dotted Border Wave  |  Treble Brown Spot >
Forewing: 9-11mm
Flight: June - August
Foodplant:   Cow parsley, Burnet-saxifrage, Hedge bedstraw
Red List Status: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
07/10/2023164SE33 - Leeds
29/09/2023261TA07 - Hunmanby
28/09/2023165SE29 - Catterick
17/09/2023165SE37 - Ripon
16/09/2023162SE65 - York (E)
  Immature   Adult   [Show Flight Weeks]
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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