73.360 (2127) Triple-spotted Clay Xestia ditrapezium ([Denis & Schiffermüller], 1775)

Status
Resident. Local.
 
Flight period
J F M A M J J A S O N D
























 
History
It was first found on the 24th June 1949 in Mabie Forest by David Cunningham. Further records followed shortly after from Sir Arthur Duncan from Closeburn, Tynron, Colvend and Southerness.
 
During 1974-93 five of the seven Rothamsted stations recorded 135 records between them, Bridge of Dee and Waterside Mains not recording it.
 
From 1988 to 2010 the regular trapped sites at Carsfad at Dalry and Cally Woods recorded nearly a third of the 130 records, with the rest coming from scattered sites across the region.
 
Life cycle
One generation. Overwinters as a larva during August to May, hiding by day and feeding at night. Pupation takes place at ground level.
 
Larval foodplants
Primrose, Dogwood, sallows and birches.
 
Identification
Similar to Double Square-spot, but that species has a dark grey hindwing, whereas this species hindwing is a paler colour. The darker shading on the dorsum side of the dark markings is another aid.
 
Habitat
Woodland that is damp and open, but also bushy fens.
 
Recorders' notes
Care required to separate from Double Square-spot.
© Stephen Riddell, Maxwelton Mains, 21 July 2014

Local distribution map

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Distribution map displays records from the National Biodiversity Network (See terms and conditions).

The following datasets are included:

  • Butterfly Conservation - Macro-moth provisional distribution for the British Isles (excluding the Republic of Ireland) from the National Moth Recording Scheme
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