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Single-dotted Wave
Idaea dimidiata (Hufnagel, 1767)
Geometridae: Sterrhinae
1708 / 70.011
Photo © Mike Prentice,  19/09/2022 - Garden Easton

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Similar Species
Small Fan-footed Wave
Idaea biselata
Treble Brown Spot
Idaea trigeminata
Forewing: 9-11mm.
Flight: One generation. June-Aug.
Foodplant:   Cow parsley, Burnet-saxifrage, Hedge bedstraw.
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
Status
Morley's Final Catalogue: Not so abundant as in Hants, but frequent at light at Monks Soham (Mly) and common on pailings at Gorleston (D). Rarely noticed about Ipswich and in Bentley Woods; Thorpness.

Recent Suffolk Status: Common.

Life history: Single brooded.

Identification: Small Fan-footed wave and Treble Brown spot do not have the dark mark in the outer corner of the forewing.

Habitat: A wide variety of habitats including gardens.

Recorded in 54 (93%) of 58 10k Squares.
First Recorded in 1940.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
07/10/2023125TM28Mendham
15/09/2023125TM59Lowestoft
15/09/2023125TM15Helmingham/Claydon
13/09/2023125TM48Beccles/Brampton
09/09/2023125TM58Carlton Colville/Kessingland
09/09/2023+25TM34Hollesley/Rendlesham Forest
08/09/2023126TL94Lavenham/Boxford
08/09/2023125TM24Woodbridge/Martlesham
08/09/2023126TL77Mildenhall
07/09/2023125TM48Beccles/Brampton
Further info: Idaea dimidiata
 
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