The compendium of Quinisulcius comprised of 17 species that based on the characters of the total body length, stylet, ratio of a, b, c, c’, V%, head annules, tail annules, lip region and tail terminus. The allometric and morphometric characters were derived from the original descriptions. An up to date list of valid species of Quinisulcius along with illustrations and diagnostic key is provided. Detailed surveys of cereals, fruits and vegetables were conducted from district Hunza, Nager, Gilgit and Ghizer of Gilgit-Baltistan, Pakistan during 2014-2016 to determine the temperature dependent property of Quinisulcius capitatus. About 280 root and soil samples were taken from 47 locations and 28 agricultural crops.Compilated data from the world has shown that Q. capitatus has the potential to survive and propagate proficiently at low temperature (-2 to -15ºC).