Snakes and spiders in Juneau City and Borough, Alaska
Juneau City and Borough has 0 snake and 7 spider species on record, from 0 licensed snake and 417 spider records. No venomous snake or spider reaches the county list.
What spiders are in Juneau City and Borough?
In all, 7 spider species are on the Juneau City and Borough list. The most recorded are Sisicottus panopeus (28), Collinsia ksenia (20) and the Miller dwarf weaver (17).
| # | Species | Records | Share of Alaska records |
|---|---|---|---|
| 1 | Sisicottus panopeus | 28 | 21% |
| 2 | Collinsia ksenia | 20 | 29% |
| 3 | Miller dwarf weaver Erigone aletris | 17 | 13% |
| 4 | Common west coast woodland spider Cybaeus reticulatus | 14 | 1% |
| 5 | Dana sheet-web micro-weaver Microlinyphia dana | 13 | 12% |
| 6 | Sisicottus nesides | 12 | 2% |
| 7 | Sixspotted orbweaver Araniella displicata | 4 | 5% |
When are spiders out in Juneau City and Borough?
Observation records of spiders in Juneau City and Borough run mostly June through September, peaking in June with 46% of them; across Alaska the peak is August.
What stands out in Juneau City and Borough
Species for which Juneau City and Borough holds a large share of all Alaska records: Collinsia ksenia, 29% (20 of 68); Sisicottus panopeus, 21% (28 of 135).
Common in Alaska, not on the Juneau City and Borough list
Among the spiders most recorded across Alaska, these do not reach the county list: Ceratinops inflatus (736 statewide), Tenuiphantes zelatus (508 statewide), the common six-spotted cobweaver (464 statewide), Symmigma minimum (398 statewide), Walckenaeria cornuella (379 statewide) and Pocadicnemis pumila (338 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
Juneau City and Borough among Alaska counties
Other Alaska counties with their own page: Haines Borough, Kenai Peninsula Borough, Matanuska-Susitna Borough, North Slope 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.