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  1. United Kingdom
  2. Theria primaria
Theria primaria(Haworth, 1809)
  1. Geometridae
  2. Ennominae
  3. Theriini
  4. Theria
  5.  primaria
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The ground colour of the forewings is reddish brown.
The male subterminal and antemedial lines are slightly wavy with the areas between these lines usually being a darker brown than the ground colour. The forewing apex is rounded and there is a small discal spot towards the costal edge. The hindwings are pale whitish brown with a tiny discal spot.
Females have short wings (60% of the length of the abdomen).

Habitat

  • Forest clearings
  • Gardens
  • Hedgerows
  • Scrub
  • Woodland

Similar species

  • Theria rupicapraria
MU
FU

32-37 mm

  • France
  • Germany
Regional distr. - legend
Phenogram based on the literature
  • Local names
  • LanguageVernacular name
    DanskTidlig frostmåler
    DeutschFrüher Schlehenbusch-Winterspanner
    DeutschSchwarzgrauer Breitflügelspanner
    EnglishEarly Moth
    FrançaisPhalène précoce
    FrançaisThérie précoce
    NederlandsMeidoornspanner
  • Primary hostplants
  • FamilyLatin nameVernacular name
    RosaceaeCrataegus monogynaCommon Hawthorn
    RosaceaePrunus domesticaPlum
    RosaceaePrunus spinosaBlackthorn
  • Secondary hostplants
  • FamilyLatin nameVernacular name
    RosaceaeCrataegusHawthorn
    RosaceaePrunus spinosaBlackthorn
  • Synonyms and other combinations
  • Latin nameAuthor
    Hibernia ibicariaHerrich-Schäffer, 1856
  • Links
  • LanguageWebsiteAuthors
    Butterflies and Moths of Northern IrelandRobert Thompson, Brian Nelson
    Lepiforum e. V.
    Moths and Butterflies of Europe and North AfricaPaolo Mazzei
    Northamptonshire Wildlife
    Suffolk MothsTony Prichard
    UK MothsIan Kimber

The QR code below, when scanned, automatically opens a page with a description of this species. Placing the code on a label under the specimen, on poster or information board in a museum or exhibition will allow for quick and easy display of full information about the species on the smartphone of the interested person.

  • All

Male.

Maciej MatrajGermany, Worms-Leiselheim

Male.

Marek SwadzbaGermany, Weitersburg

Male.

Maciej MatrajGermany, Worms-Leiselheim

Male.

Maciej MatrajGermany, Worms-Leiselheim

Female.

Maciej MatrajGermany, Ludwigshafen

Female.

Maciej MatrajFrance, Merceuil

Larva, brown form.

Ian KimberUnited Kingdom, Perthshire

Larva, green form.

Kimmo Silvonen †Germany
Extinct
Extinct in the wild
Critically endangered
Endangered
Vulnerable
Near Threatened
Least Concern
Lower Risk
Legally protected
CITES
Image
Headquarters:
Okopowa 113/37
91-849 Łódź, Polska
+48 601 283 485
info(at)lepidoptera.eu

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Last website update

  • 3 December 2025

Previous website update

  • 3 September 2025

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  • 3 September 2025
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