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Thera vetustata >

Thera britannica (Turner, 1925)

Spruce Carpet
70.0790 (B&F: 1769)

Synonym(s):
Thera variata sensu auctt. nec ([Denis & Schiffermüller], 1775)


»Suborder: Glossata
  »Superfamily: Geometroidea
    »Family: Geometridae
      »Subfamily: Larentiinae
        »Tribe: Cidariini

A resident species, in the east occurring singly or sparingly in a wide range of habitats, but occasionally fairly commonly in evergreen plantations. In the west it is more consistently fairly common to common. Widespread but high numbers are very local. Generally double-brooded and sometimes triple-brooded, flying from early May to early July and from late August to late October, with a very localised third emergence between early November and early December. Larvae feed on spruce. (Pratt, 2011)

Thera britannica (Turner H J, 1925)
Nr. Battle, 10 ix 2018
Photo: Mark Donnellan
Thera britannica (Turner H J, 1925)
Near Battle, 22 ix 2018
Photo: Mark Donellan
Thera britannica (Turner H J, 1925)
Henfield, 22 10 2019
Photo: Paula Blake
Thera britannica (Turner H J, 1925)
Steyning, 31 x 2014
Photo: Olly Ellis
Thera britannica (Turner H J, 1925)
Crowborough, 02 x 2015
Photo: Charles Waters
Thera britannica (Turner H J, 1925)
Findon Valley, 17 x 2017
Photo: Mike Snelling
Thera britannica (Turner H J, 1925)
Pulborough, 02 i 2013
Photo: Martin Ellis
Thera britannica (Turner H J, 1925)
Battle, 27 vii 2012
Photo: Adrienne Norbury
Thera britannica (Turner H J, 1925)
Warnham LNR, 0
Photo: Sam Bayley

Distribution at 1km scale

Phenology (adult)

No larval records

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