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Boudinotiana notha >

Archiearis parthenias (Linnaeus, 1761)

Orange Underwing
70.2030 (B&F: 1661)


»Suborder: Glossata
  »Superfamily: Geometroidea
    »Family: Geometridae
      »Subfamily: Archiearinae
        »Tribe: Trichopterygini

A resident that generally occurs singly or sparingly flying by day above mature Birch trees situated in damp spots away from the coast. Extremely local and distinctly episodic in numbers. Seriously decreasing. Single brooded, flying mainly from late March to Late April, sometimes from mid March, and occasionally from late february or to early May. Larvae feed on (silver) Birch. (Pratt, 2011)

Archiearis parthenias (Linnaeus, 1761)
Long Wood nr. Northiam, 13 iii 2017
Photo: Heather Martin
Archiearis parthenias (Linnaeus, 1761)
Long Wood, 30 iv 2013
Photo: Heather Martin and Rodney Taylor
Archiearis parthenias (Linnaeus, 1761)
Wisborough Green, 22 iii 2015
Photo: Dave Green
Archiearis parthenias (Linnaeus, 1761)
Wisborough Green, 22 iii 2015
Photo: Dave Green
Archiearis parthenias (Linnaeus, 1761)
Abbots Wood, East Sussex, 29 iii 2012
Photo: Bob Eade
Archiearis parthenias (Linnaeus, 1761)
Rowland Wood, 11 iii 2011
Photo: Bob Eade
Archiearis parthenias (Linnaeus, 1761)
Abbots Wood, 7 iv 2011
Photo: Janet Richardson

Distribution at 1km scale

Phenology (adult)

No larval records

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