designating or of the biogeographic realm that includes Europe, parts of N Africa, and most of Asia
See Palearctic in American Heritage Dictionary 4
(pāˌlē-ärkˈtĭk, -ärˈtĭk)
adjective
Of or relating to the biogeographic region that includes Europe, the northwest coast of Africa, and Asia north of the Himalaya Mountains, especially with respect to distribution of animals.