Snakes and spiders in Kenai Peninsula Borough, Alaska
Kenai Peninsula Borough has 0 snake and 30 spider species on record, from 0 licensed snake and 1,606 spider records. No venomous snake or spider reaches the county list.
What spiders are in Kenai Peninsula Borough?
In all, 30 spider species are on the Kenai Peninsula Borough list. The most recorded are Estrandia grandaeva (99), Canalidion montanum (47) and the cone-shaped orbweaver (35). Kenai Peninsula Borough holds more than half of all Alaska records of Estrandia grandaeva, Canalidion montanum, the cone-shaped orbweaver and Dictyna alaskae.
Related species: Emblyna sublata
| # | Species | Records | Share of Alaska records |
|---|---|---|---|
| 1 | Estrandia grandaeva | 99 | 76% |
| 2 | Canalidion montanum | 47 | 67% |
| 3 | Cone-shaped orbweaver Cyclosa conica | 35 | 51% |
| 4 | Dictyna alaskae | 34 | 65% |
| 5 | Common stretch spider Tetragnatha extensa | 32 | 52% |
| 6 | Emblyna annulipes | 30 | 23% |
| 7 | Ohlert's cobweb weaver Ohlertidion ohlerti | 30 | 71% |
| 8 | Rugathodes aurantius | 28 | 65% |
| 9 | Threefront dwarf weaver Baryphyma trifrons | 26 | 51% |
| 10 | Theridion pictum | 25 | 74% |
| 11 | Goldenrod crab spider Misumena vatia | 23 | 23% |
| 12 | Sixspotted orbweaver Araniella displicata | 23 | 27% |
| 13 | Long-jawed orb weaver Tetragnatha laboriosa | 22 | 21% |
| 14 | Ceraticelus fissiceps | 21 | 23% |
| 15 | Pityohyphantes alticeps | 21 | 95% |
| 16 | Ceraticelus atriceps | 20 | 45% |
| 17 | Common mesh-weaver Dictyna arundinacea | 20 | 61% |
| 18 | Filmy dome spider Neriene radiata | 18 | 29% |
| 19 | Nearctic white-striped running crab spider Philodromus rufus | 17 | 24% |
| 20 | Helophora reducta | 15 | 28% |
| 21 | Ceraticelus silus | 14 | 78% |
| 22 | Peatland sheetweb weaver Hypselistes florens | 12 | 24% |
| 23 | Sixspotted fishing spider Dolomedes triton | 11 | 55% |
| 24 | Taiga sheetweb weaver Pityohyphantes subarcticus | 11 | 58% |
| 25 | Shamrock orbweaver Araneus trifolium | 7 | 12% |
| 26 | Nordmann's orbweaver spider Araneus nordmanni | 6 | 11% |
| 27 | Boreal combfoot Steatoda borealis | 5 | 9% |
| 28 | Ornamental orbweaver Larinioides patagiatus | 5 | 10% |
| 29 | Marbled orbweaver Araneus marmoreus | 3 | 4% |
| 30 | Northern long-toothed sheetweaver Drapetisca alteranda | 3 | 38% |
When are spiders out in Kenai Peninsula Borough?
Observation records of spiders in Kenai Peninsula Borough run mostly June through August, peaking in June with 45% of them; across Alaska the peak is August.
What stands out in Kenai Peninsula Borough
Species for which Kenai Peninsula Borough holds a large share of all Alaska records: Pityohyphantes alticeps, 95% (21 of 22); Estrandia grandaeva, 76% (99 of 131); Theridion pictum, 74% (25 of 34); the Ohlert's cobweb weaver, 71% (30 of 42); Canalidion montanum, 67% (47 of 70); Dictyna alaskae, 65% (34 of 52); Rugathodes aurantius, 65% (28 of 43); the common mesh-weaver, 61% (20 of 33).
Common in Alaska, not on the Kenai Peninsula 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.
Harmless lookalikes in Kenai Peninsula Borough
Widow spiders are not on the Alaska list, but GBIF holds 1 widow spider record of any license in Alaska (western black widow 1): treat any spider like this as venomous until identified. Harmless species often taken for them here: the boreal combfoot.
Kenai Peninsula Borough among Alaska counties
Other Alaska counties with their own page: Haines Borough, Juneau City and 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.