Spiders of the Yukon - Department of Biological Sciences

98 C.D. Dondale et al.
225. Gnaphosa muscorum (L. Koch) Holarctic, Boreal
Distribution: Alaska to Newfoundland, south to New Mexico and West Virginia; Europe, Asia.
Yukon records: Numerous localities from the southern border to Old Crow and Firth R.
Biological information: Under stones and woody debris, often at elevations of 1000 m or more.
226. Gnaphosa orites Chamberlin Holarctic, Subarctic/Alpine
Distribution: Alaska to Labrador, south to Wyoming and northern New England; Europe, Siberia.
Yukon records: Old Crow; Herschel Is.; km 151 Dempster Hwy.; Cultus Bay, Kluane National Park.
Biological information: On tundra.
227. Gnaphosa parvula Banks Nearctic, Boreal
Distribution: Alaska to Newfoundland, south to Colorado and to West Virginia.
Yukon records: Cultus Bay, Kluane National Park.
Biological information: In litter.
228. Haplodrassus eunis Chamberlin Western Nearctic, Unassigned to zone
Distribution: Alaska to north shore of Lake Superior, south to California, Arizona, and New Mexico.
Yukon records: Sheep Mt., Kluane National Park; Whitehorse.
Biological information: Under stones on sagebrush slopes.
229. Haplodrassus hiemalis (Emerton) Nearctic-West Beringian, Boreal
Distribution: Alaska to Newfoundland, south to Colorado and New Jersey; Siberia (Ovtsharenko and
Marusik 1988).
Yukon records: Several localities from southern border to Herschel Is.
Biological information: In litter in spruce and willow stands and in alpine tundra.
230. Haplodrassus signifer (C.L. Koch) Holarctic, Subarctic/Alpine
Distribution: Yukon to Greenland and Newfoundland, south to Mexico and Florida; Europe, Asia.
Yukon records: Sheep-Bullion Plateau, Kluane National Park; North Fork Pass, Ogilvie Mts.
Biological information: Under stones on alpine tundra.
231. Micaria aenea Thorell Holarctic, Boreal
Distribution: Alaska to Newfoundland, south to Utah and Colorado; Europe.
Yukon records: Carcross; Whitehorse; Old Crow; km 64 Dempster Hwy.; Little Salmon R. (62°l5′N
135°27′W); Cultus Bay and Christmas Bay, Kluane National Park.
Biological information: On sagebrush slopes, sand dunes, river banks, and clearings in coniferous
woods.
232. Micaria alpina L. Koch Holarctic, Subarctic/Alpine
Distribution: Alaska to northern Ontario, south to northern British Columbia; European Alps.
Yukon records: Herschel Is.; km 82 and 141 Dempster Hwy.; Cultus Bay, Kluane National Park.
Biological information: On shrubby tundra and moss above treeline, and in litter in spruce and birch stands.
233. Micaria coloradensis Banks Western Nearctic, Unassigned to zone
Distribution: Alaska to Saskatchewan, south to California, Colorado, and South Dakota.
Yukon records: Dawson; Cultus Bay, Kluane National Park.
Biological information: On sagebrush slopes and talus slopes, and in litter in mixed woods at elevations
up to 3600 m.
234. Micaria constricta Emerton Holarctic, Subarctic/Alpine
Distribution: Yukon to Baffin Island and Newfoundland, south to California, Arizona, Colorado, and
Maine; Spitzbergen.
Yukon records: Bluefish Ridge (67°08′N 140°46′W); Eagle R.; km 26 – 270 Dempster Hwy.; Cultus
Bay, Kluane National Park.
Biological information: On talus slopes, in litter and moss in meadows, or under stones at elevations
above treeline.
235. Micaria idana Platnick and Shadab Cordilleran, Subarctic/Alpine
Distribution: Yukon south in the Cordillera to northern California.
Yukon records: km 141 Dempster Hwy.
Biological information: On alpine tundra.