Erebidae : Arctiinae
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Round-winged Muslin
Thumatha senex

(Hübner, 1808) 2035 / 72.037
Photo © Andy Nunn,  North Cliffe Wood VC 61

Similar Yorkshire Species
Muslin Footman
Nudaria mundana
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Express Record Round-winged Muslin

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Yorkshire Status: Scarce and very local resident.

Sutton & Beaumont, 1989: Appears to have spread considerably since the last list (YNU, 1970). However it has been suggested (PQW pers. comm.) that it is being confused with N. mundana (Linnaeus), since many sites are not marsh or fenland, the typical habitat for this species.

Current status (CHF, 2011): Still not uncommon at Spurn and in other areas such as north of Ripon and Askham Bog, but numbers have gradually decreased. The only Footman to be declining.

Recorded in 37 (19%) of 200 10k Squares.
First Recorded in 1883.
Last Recorded in 2023.
Additional Stats

< Muslin Footman  |  Four-dotted Footman >
Forewing: 10-11mm
Flight: June - August
Foodplant:   Lichens and mosses
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
10/08/2023161TA41 - Kilnsea / Spurn Head
01/08/2023161TA41 - Kilnsea / Spurn Head
24/07/2023161TA41 - Kilnsea / Spurn Head
20/07/20232264SE54 - York (S/W)
19/07/2023161TA41 - Kilnsea / Spurn Head
  Immature   Adult   [Show Flight Weeks]
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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