Spiders of the Yukon - Department of Biological Sciences

76 C.D. Dondale et al.
4. Dictyna alaskae Chamberlin and Ivie Holarctic, Boreal
Distribution: Alaska to Newfoundland, south to Montana; Scandinavia, Siberia (Marusik 1989).
Yukon records: North Fork Pass, Ogilvie Mts.; 100 km E Dawson; Rampart House.
Biological information: On shrubs and trees.
5. Dictyna annulipes (Blackwall) Holarctic, Boreal
Distribution: Alaska to Newfoundland, south to Oregon, Colorado and Virginia; Scandinavia, Siberia.
Yukon records: Several localities northward to Dawson.
Biological information: On shrubs and trees.
6. Dictyna brevitarsus Emerton Nearctic, Boreal
Distribution: Alaska to Newfoundland, south to Arizona and Pennsylvania.
Yukon records: Several localities from southern border to Rampart House.
Biological information: On foliage of coniferous trees.
7. Dictyna chitina Chamberlin and Gertsch Cordilleran, Subarctic/Alpine
Distribution: Alaska and Yukon, south to southern British Columbia.
Yukon records: Squana L., km 1360 Alaska Hwy.
Biological information: On foliage of coniferous trees.
8. Dictyna major Menge Holarctic, Boreal
Distribution: Alaska to Greenland and Labrador, south to northern California and South Dakota;
Europe, Siberia.
Yukon records: Several localities from southern border to Old Crow.
Biological information: On foliage of conifers, herbs, and shrubs.
9. Dictyna terranea Ivie Western Nearctic, Unassigned to zone
Distribution: Yukon, south to Oregon, Utah and Colorado.
Yukon records: Cultus Bay, Kluane L.; Carmacks.
Biological information: In litter.
10. Lathys alberta Gertsch Cordilleran-West Beringian,
Subarctic/Alpine
Distribution: Alaska and Yukon southwards in the Cordillera to Colorado; Siberia (Marusik 1989).
Yukon records: Many localities northward to Old Crow and km 465 Dempster Hwy.
Biological information: Under stones and plant debris.
Family Amaurobiidae
The amaurobiids are sedentary web builders living in moist dark places such as crevices
beneath stones, logs, or loose bark. Most have a cribellum. Only 4 species have been recorded
from the Yukon.
11. Arctobius agelenoides (Emerton) Holarctic, Subarctic/Alpine
Distribution: Alaska to Manitoba, south to southern Alberta; northern Europe, Siberia south to
Mongolia (Leech 1972; Eskov 1989b).
Yukon records: North Fork Pass, Ogilvie Mts.
Biological information: Under stones on talus slopes or limestone outcrops.
12. Callobius nomeus (Chamberlin) Nearctic, Boreal
Distribution: Alaska to Labrador, south to northern New Mexico and to Mt. Washington, New
Hampshire (Leech 1972).
Yukon records: Along Alaska Hwy. from Lower Post, British Columbia to Watson L.
Biological information: Under stones or logs in coniferous woods.
13. Titanoeca nivalis Simon Holarctic, Subarctic/Alpine
Distribution: Alaska to Yukon, south to Washington; Europe, Asia.
Yukon records: Cultus Bay, Kluane L.; Carmacks.
Biological information: Under stones.