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Lesser Common Rustic
Mesapamea didyma (Esper, 1788)
Noctuidae: Xyleninae
2343a / 73.170
Photo © Dave Appleton,  17/07/2015 - North Elmham - male (gen det)

Similar Norfolk Species
Common Rustic
Mesapamea secalis
Small Clouded Brindle
Apamea unanimis
Forewing: 11-16mm.
Flight: One generation July-Aug.
Foodplant:   Grasses.
Nat Status: Common
Verification Grade:  Adult: 4
Norfolk Status
Almost identical in appearance to Common Rustic, can only be reliably separated by examination of the genitalia.
Grassland and other grassy areas.
Probably under-recorded.

Very dark specimens with almost white stigmata tend to be mostly this species.

Gen. Det. required, please record unconfirmed specimens as Common Rustic agg.

Map shows only confirmed post 2000 records. (pre 2000 data unconfirmed)

Determination by Genitalia Examination (gen. det.) Required

Recorded in 42 (61%) of 69 10k Squares.
First Recorded in 1985.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
02/08/2020128TL78 - Hockwold/Weeting
23/07/2020127TG13 - Baconsthorpe
22/07/2020227TG10 - Wymondham/Cringleford
17/07/2020128TL79 - Methwold/Foulden
04/07/2020127TM49 - Geldeston/Haddiscoe
Further info: Mesapamea didyma
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