Noctuidae : Noctuinae
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Least Yellow Underwing
Noctua interjecta

Schawerda, 1919 2112 / 73.346
Photo © Ian Andrews

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Similar Yorkshire Species: None
Express Record Least Yellow Underwing

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Yorkshire Status: Fairly common resident.

Least Yellow Underwing is a reasonably common moth, occurring in small numbers across much of the county. This has not always been the case. Porritt was able to list several sites in 1883 but found it "much scarcer" than Broad-bordered and Lesser Broad-bordered Yellow Underwing. In Rutherford's 1970 list he said "the only locality for which there are any records in the last fifty years is Kilnsea and Spurn where it is often common." Sutton and Beaumont's comments suggest warming weather initiated an increase in range in the 1970s, and it has certainly continue to expand since then, with many records in central Scotland where it used to be very rare. Numbers in Yorkshire may have dropped off a little in recent years, and counts into double figures are now unusual. 81 at Spurn on 25/7/1989 remains the record count. Is is now much less common here.

Sutton & Beaumont, 1989: Previously restricted to Spurn (VC61) for many years (YNU, 1970), the warm weather of the mid 1970s seemed to initiate a range increase. Not recorded from VC65 (though there is a record which might be in VC65 shown in 10km square SD69 on map 112 in MBGBI 9).

Recorded in 155 (78%) of 200 10k Squares.
First Recorded in 1883.
Last Recorded in 2023.
Additional Stats

< Lesser Yellow Underwing  |  Lesser Broad-bordered Yellow Underwing >
Forewing: 14-17mm
Flight: July - August
Foodplant:   Herbaceous plants and grasses
Red List Status: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
18/09/2023461SE84 - Pocklington (E)
09/09/2023862NZ71 - Staithes
08/09/2023161TA04 - Beverley (N)
08/09/2023163SE23 - Horsforth / Headingly / Pudsey
07/09/2023161TA41 - Kilnsea / Spurn Head
  Immature   Adult   [Show Flight Weeks]
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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