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 (hō-lärk′tĭk, -lär′tĭk, hŏ-)
Of or designating the biogeographic region that includes the northern areas of the earth and is divided into Nearctic and Palearctic regions.


(Zoology) of or denoting a zoogeographical region consisting of the Palaearctic and Nearctic regions
[C19: from holo- + arctic]


(hɒˈlɑrk tɪk, -ˈɑr tɪk, hoʊ-)

belonging to a zoogeographical division comprising the Nearctic and Palearctic regions.
[1883; hol- + arctic]
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References in periodicals archive ?
Four species of the Mustela, Martes zibellina (sable), Martes americana (American marten), Martes martes (pine marten), and Martes melampus (Japanese marten) are forest-dwelling carnivores that occur allopatrically in coniferous and deciduous forests in the Holarctic region (Ishida et al., 2013).
Microtine rodents are a large subfamily of the Cricetidae family, distributed across the whole Holarctic region (e.g.
The larvae of the Chironomidae (Diptera) of the Holarctic region, keys and diagnoses.
The genus Lilioceris contains 142 species, of which 35 are found in the holarctic region, 60 are Oriental, 16 Australian, 20 Ethiopian, three neotropical, and the remaining eight species are of unknown distribution [4].
Pinder, "The larvae of Chironomidae (Diptera) of the Holarctic region," in Chironomidae of the Holarctic Region, Keys and Diagnoses, Part 1: Larvae, T Weiderholm, Ed., vol.
According to this view, the family Arionidae is widely distributed in the Holarctic region. The genus Oopelta, which shows affinities to this family, was reported from South Africa during the middle of the nineteenth century (Gray 1855).
Geographic variation and taxonomy of the species of Dolichovespula in the boreal zone of the Holarctic region (Hymenoptera, Vespinae).
The fossil Chinese record shown by Bohlin (1927) and that of Asia shown by Colbert (1935) indicates that the giraffids had their origin in the Holarctic Region. The great variety found in the Pliocene Asiatic forms shows the rapidity of evolution in the family giraffidae.
Some genera that were restricted to the Austral-Antarctic regions migrated from the south temperate zones along the Andes as they rose from the lowlands, whereas several important herbaceous genera of the Holarctic region, such as Cerastium, Hypochaeris, Draba, and Lupinus arrived to paramo along the northern migration route after formation of the Isthmus of Panama.