Eupithecia tripunctaria

Eupithecia tripunctaria, the white-spotted pug, is a moth of the family Geometridae. The species can be found from Europe to Korea and Japan[2] and in North America.

Eupithecia tripunctaria
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Genus: Eupithecia
Species:
E. tripunctaria
Binomial name
Eupithecia tripunctaria
Synonyms
  • Phalaena albipunctata Haworth, 1809
  • Eupithecia albipunctata

Distribution

Presence extends through the Palearctic ecozone - (Europe, (central Scandinavia to the Alps), Russia, Russian Far East, Siberia, Amur, Baikal to Japan and the Kuril Islands. In the Pyrenees and the Alps, E. tripunctaria occurs up to a height of 1800 m. asl. Another distribution area is located in North America, from Newfoundland to British Columbia and the San Bernardino Mountains the species prefers lowland forests, forest edges and damp meadows.

Morphology

The wingspan is 17–21 mm. The ground colour of the wings varies from ash grey to dark ashy brown to blackish, with the hind wings often averaging slightly paler. A pale waved line follows the margin of both wings with certain parts broken off into specific white marks which are more pronounced. These white marks give the species its name, and while they can show on both wings they are commonly absent from the hindwings. Though it is a good feature to identify this species, care should still be taken to separate it from other related species.

Similar to other pug moths, a black discal spot is present on the center of the forewings, though it is often hard to see. The melanistic form f. angelicata occasionally appear in some populations. Such forms are wholly dark and can be hard to separate from other species.[3]

Adults are on wing from March to September depending on the location.

The larvae feed on Apiaceae species.

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References
  1. Yu, Dicky Sick Ki. "Eupithecia tripunctaria Herrich-Schaffer 1852". Home of Ichneumonoidea. Taxapad. Archived from the original on 24 March 2016.
  2. Taxonomic Review of the Genus Eupithecia (Lepidoptera : Geometridae : Larentiinae) from Korea (II)
  3. Eupithecia tripunctaria full description Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the genera of Lepidoptera-Geometridae. Version: 29 December 2011


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