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Triple-spotted Clay
Xestia ditrapezium ([Denis & Schiffermüller], 1775)
Noctuidae: Noctuinae
2127 / 73.360
Photo © Dave Grundy

Similar Norfolk Species
Setaceous Hebrew Character
Xestia c-nigrum
Double Square-spot
Xestia triangulum
Forewing: 17-19mm.
Flight: One generation June-Aug.
Foodplant:   Herbaceous plants.
Nat Status: Local
Verification Grade:  Adult: 2
Norfolk Status
Local distribution.
Damp open broadleaved woodland, carr woodland and bushy fens. (also parks and gardens)

Very similar to Double Square-spot, determination can be made by resting position, forewing colouration and hindwing colouration.

i. Triple-spotted Clay tends to rest with wings wrapped more tightly together, giving the moth a more slender appearance.
ii. Triple-spotted Clay is a darker moth, usually a purplish-brown colour.
iii. Triple-spotted Clay typically has pale grey or light cream contrasting hindwings,
iv. If uncertain will require gen. det. to confirm.

Hindwing Comparison

[L] Triple-spotted Clay
light cream/grey
[R]Double Square-spot
dark brown/grey

Recorded in 60 (87%) of 69 10k Squares.
First Recorded in 1873.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
13/08/2020127TG11 - Drayton/Swannington
29/07/2020128TF72 - Hillington/Houghton
22/07/2020227TG14 - Sheringham
16/07/2020127TG21 - N.Norwich/Spixworth
13/07/2020128TF91 - Dereham
Further info: Xestia ditrapezium
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Mothdissection UK
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