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Small Fan-footed Wave
Idaea biselata (Hufnagel, 1767)
Geometridae: Sterrhinae
1702 / 70.013
Photo © Tom Morris,  Alderholt

Similar Dorset Species
Dwarf Cream Wave
Idaea fuscovenosa
Treble Brown Spot
Idaea trigeminata
Forewing: 10-11mm
Flight: June - August
Foodplant:   Various low-growing plants
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1

Davey, P., 2009: A widespread species in Britain, the polyphagous larva feeding on withered or fallen dry leaves. In Dorset, the moth is widespread and common, rising to abundant in and around deciduous woodland, scrub and hedgerows, but markedly scarcer in open 'treeless' habitat. The national norm is for a single brood from late June to mid-August, but observations well into September and occasionally early October, suggest a partial and overlapping second brood in most years in the county.

Recorded in 41 (103%) of 40 10k Squares.
First Recorded in 1934.
Last Recorded in 2019.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
18/09/201919SY98 - Wareham
31/08/2019+9SY58 - Abbotsbury
27/08/201919SY78 - Broadmayne
26/08/201929SY39 - Lyme Regis
24/08/201919SY79 - Puddletown
Further info: Idaea biselata
UK Moths
Mothdissection UK Dorset Moths (Full)
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