Snakes and spiders in North Slope Borough, Alaska
North Slope Borough has 0 snake and 20 spider species on record, from 0 licensed snake and 948 spider records. No venomous snake or spider reaches the county list.
What spiders are in North Slope Borough?
In all, 20 spider species are on the North Slope Borough list. The most recorded are Metopobactrus prominulus (102), Hilaira herniosa (59) and Agyneta pseudosaxatilis (35). North Slope Borough holds more than half of all Alaska records of Metopobactrus prominulus, Agyneta pseudosaxatilis, Arctosa insignita and Walckenaeria fraudatrix.
Same family (Linyphiidae): Frontinella pyramitela
Related species: Agyneta micaria
Related species: Pardosa saxatilisRelated species: Pardosa saxatilis
Related species: Bathyphantes pallidus
Related species: Arctosa littoralis
Related species: Walckenaeria directa| # | Species | Records | Share of Alaska records |
|---|---|---|---|
| 1 | Metopobactrus prominulus | 102 | 94% |
| 2 | Hilaira herniosa | 59 | 32% |
| 3 | Agyneta pseudosaxatilis | 35 | 100% |
| 4 | Pardosa podhorskii | 35 | 41% |
| 5 | Pardosa lapponica | 27 | 10% |
| 6 | Fury sheet-web weaver Bathyphantes eumenis | 26 | 31% |
| 7 | Arctosa insignita | 21 | 57% |
| 8 | Walckenaeria fraudatrix | 21 | 54% |
| 9 | Fjaeldmark dwarf weaver Erigone psychrophila | 20 | 65% |
| 10 | Pardosa tesquorum | 20 | 38% |
| 11 | Gonatium crassipalpum | 17 | 18% |
| 12 | Walckenaeria clavicornis | 16 | 48% |
| 13 | Spinyrib wolf spider Alopecosa aculeata | 15 | 7% |
| 14 | Bristled whiskered money spider Islandiana cristata | 14 | 42% |
| 15 | Hypsosinga groenlandica | 14 | 58% |
| 16 | Gnathonarium taczanowskii | 13 | 12% |
| 17 | Clubiona praematura | 11 | 44% |
| 18 | Island sheet-web weaver Islandiana falsifica | 11 | 27% |
| 19 | Oreoneta leviceps | 10 | 77% |
| 20 | Maritime sheet-web weaver Agyneta maritima | 9 | 69% |
What stands out in North Slope Borough
Species for which North Slope Borough holds a large share of all Alaska records: Agyneta pseudosaxatilis, 100% (35 of 35); Metopobactrus prominulus, 94% (102 of 108); the fjaeldmark dwarf weaver, 65% (20 of 31); Hypsosinga groenlandica, 58% (14 of 24); Arctosa insignita, 57% (21 of 37); Walckenaeria fraudatrix, 54% (21 of 39); Walckenaeria clavicornis, 48% (16 of 33); Clubiona praematura, 44% (11 of 25).
Common in Alaska, not on the North Slope Borough list
Among the spiders most recorded across Alaska, these do not reach the county list: the common west coast woodland spider (1,213 statewide), Ceratinops inflatus (736 statewide), Sisicottus nesides (528 statewide), Tenuiphantes zelatus (508 statewide), the common six-spotted cobweaver (464 statewide) and Symmigma minimum (398 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
North Slope Borough among Alaska counties
Other Alaska counties with their own page: Haines Borough, Juneau City and Borough, Kenai Peninsula Borough, Matanuska-Susitna Borough, Prince of Wales-Outer Ketchikan Census Area, Skagway-Yakutat-Angoon Census Area, Southeast Fairbanks Census Area and Wrangell-Petersburg Census Area.
The whole state: venomous species in Alaska, all spiders.
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.