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73.354 ~ 2131 ~ Square-spotted Clay ~ Xestia stigmatica
UK Status

Resident. Nat. Scarce B

Montgomeryshire Status

This 'Nationally Scarce B' species has only been recorded from a few scattered sites in the far eastern side of the county.

Wingspan :  M & F, 37-44mm.

Confusion species

Double Square-spot, Purple Clay, Triple-spotted Clay and Barred Chestnut.
Flight time (Montgomeryshire)


Established broadleaf woodland & scrub.


Common nettle, dog's mercury & oxlip.

Lifestage data

Overwinters as a small larva. Larva Sept-May, feed mainly at night until mid Apr. Forms cocoon in the soil but does not change into pupa for several weeks.
Montgomeryshire photos

Photo by MDH, 29th July 2010, Llanfyllin

Photo by GBC, 26th July 2014, Lake Vyrnwy