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Scoparia basistrigalis
Chequered Grey Knaggs, 1866
Crambidae: Scopariinae
1334a / 63.063
Photo © Stephen Youngs,  29/05/2014 - Hethersett

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Similar Species
Peppered Grey
Eudonia truncicolella
Common Grey
Scoparia ambigualis
Wingspan: 20-23mm
Flight: June - Aug
Foodplant:   Moss.
Nat Status: Local
Verification Grade:  Adult: 2
Status
Deciduous woodland.
One of several very similar moths which can be difficult to separate, best identified by means of genitalia dissection.
In general a little larger than S. ambigualis, with heavier markings, greyer in colour, and stongly chequred fringe.

C. Barrett [VCH 1901] "Eudorea asistrigalis, Knaggs. Norwich, Aldeby, Denton ; scarce"

Mainly unconfirmed records up to 2009. Confirmed records from East Winch Common and Tyrrel's Wood in 2009 and Boughton Fen, Ashwellthorpe Wood and Dersingham in 2010. Many more records from 2010 onwards, confirmed via genitalia dissection which shows the species is now well established in Norfolk.

Recorded in 50 (68%) of 74 10k Squares.
First Recorded in 1884.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
28/07/2023128TL79Mundford
27/07/2023+28TF81Sporle / Necton
27/07/2023127TG23North Walsham
23/07/2023127TG14Sheringham / Beeston
23/07/2023127TG31Upton
23/07/2023127TG10Cringleford (UEA)
23/07/2023127TG24Overstrand
21/07/2023128TL79Cranwich
20/07/2023128TF92North Elmham
18/07/2023127TG13Little Barningham
Further info: Scoparia basistrigalis
 
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