Noctuidae : Hadeninae
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Grey Arches
Polia nebulosa

(Hufnagel, 1766) 2150 / 73.261
Photo © Terry Box, 24 Jun 2017,  SE4672Pilmoor, VC62

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Great Brocade
Eurois occulta
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Yorkshire Status: Scarce and thinly distributed or restricted resident.

Sutton & Beaumont, 1989: Rather sparsely reported from vice-counties 61 to 64. The records suggest a regular but not common woodland species but it may well be under-recorded due to the present-day emphasis on light trapping rather than sugaring or larvae collecting. The larvae are reported to be often quite common on birch in spring (PQW pers. comm.).

2012 (CHF): Like a lot of moths of broadleaved woodland this species is uncommon in the north west and south east of the county due to lack of suitable habitat. Numbers have increased a little in recent years and it has colonised some new areas.

Recorded in 91 (46%) of 200 10k Squares.
First Recorded in 1883.
Last Recorded in 2023.
Additional Stats

< Silvery Arches  |  Light Brocade >
Forewing: 21-26mm
Flight: June - July
Foodplant:   Woody and herbaceous plants
Red List Status: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 2
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
19/07/2023162TA08 - Scarborough
11/07/2023162NZ61 - Guisborough
11/07/2023163SK49 - Rotherham
10/07/2023162NZ61 - Guisborough
10/07/2023162NZ71 - Staithes
  Immature   Adult   [Show Flight Weeks]
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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