Noctuidae : Xyleninae
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Old Lady
Mormo maura

(Linnaeus, 1758) 2300 / 73.107
Photo © Nancy Stedman, Aug 2018,  SE006466 High Farnhill, VC64

Immature stages

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Similar Yorkshire Species: None
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Yorkshire Status: Scarce and thinly distributed or restricted resident.

Sutton & Beaumont, 1989: This moth is mainly attracted to sugar and with the emphasis on light trapping today, may be under-recorded. Young larvae may most easily be found resting on dead dock stems in areas of flood damage on riverbanks during the day, feeding on living plants at night. When older they may move onto taller vegetation as suggested in Skinner (1984) (AMRH pers. comm.).

2012 (CHF): In the last five years numbers have increased considerably from about ten records a year up to 70-80. This has been most marked in VC63. The majority of records are still from light traps though more people are using sugar to attract this species.

Recorded in 135 (68%) of 200 10k Squares.
First Recorded in 1847.
Last Recorded in 2023.
Additional Stats

< Orache Moth  |  Straw Underwing >
Forewing: 30-36mm.
Flight: One generation July - Sept.
Foodplant:   Herbaceous and woody plants.
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
14/09/2023164SE44 - Wetherby / Tadcaster
14/09/2023163SE23 - Horsforth / Headingly / Pudsey
11/09/2023163SK49 - Rotherham
11/09/2023163SE40 - Goldthorpe
10/09/2023163SE03 - Haworth
  Immature   Adult   [Show Flight Weeks]
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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