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Ypsolopha parenthesella
White-shouldered Smudge (Linnaeus, 1761)
Ypsolophidae: Ypsolophinae
460 / 17.010
Photo © Steve Woolnough,  16th September 2018 Mendlesham Green

Similar Suffolk Species
Variable Smudge
Ypsolopha ustella
Wingspan: 15-19mm
Flight: July - Oct.
Foodplant:   Oak, Hazel, hawthorn, Hornbeam, birch
Nat Status: Common
Verification Grade:  Adult: 2

Morley’s Final Catalogue: Polyphagous, and common. Copdock (Hkg); Bentley, Shrubland, Staverton (Whit.); Ipswich (Ml); Glemham Magna (Bloomf.); rare at Monks Soham light in August, and Fritton sugar in September (Mly); Flixton (Ctw).

Recent Status: Common across Suffolk.

Life Style: A single brooded species flying from June to September. The larvae feed from a slight web on leaves of Quercus, Corylus, Betula, Carpinus and Alnus. They pupate in a brown cocoon in various locations.

Identification: A relatively broad winged species with an easily recognised distinctive patterning. The costa is broadly arched. The white part of the wing can occasionally be absent.

Verification Grade Comment: To allow for dark forms

Recorded in 30 (52%) of 58 10k Squares.
First Recorded in 1974.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
21/09/2019225TM46 - Minsmere/Leiston
10/10/2018625TM47 - Blythburgh/Dunwich
16/09/2018125TM06 - Bacton/Stowupland
21/08/2018125TM24 - Woodbridge/Martlesham
20/08/2018325TM24 - Woodbridge/Martlesham
Further info: Ypsolopha parenthesella
 
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