Snakes and spiders in Richland County, Ohio
Richland County, home of Mansfield, has 4 snake and 40 spider species on record, from 16 licensed snake and 438 spider records. No venomous snake or spider reaches the county list, but the eastern copperhead, the eastern massasauga, the timber rattlesnake, the northern black widow and 2 more are on the Ohio list: treat any snake or spider like them as venomous until identified.
What snakes are in Richland County?
In all, 4 snake species are on the Richland County list. The most recorded are the DeKay's brown snake (4), the common garter snake (2) and the eastern milksnake (1).
| # | Species | Records | Share of Ohio records |
|---|---|---|---|
| 1 | DeKay's brown snake Storeria dekayi | 4 | 0% |
| 2 | Common garter snake Thamnophis sirtalis | 2 | 0% |
| 3 | Eastern milksnake Lampropeltis triangulum | 1 | 0% |
| 4 | Northern water snake Nerodia sipedon | — | — |
What spiders are in Richland County?
In all, 40 spider species are on the Richland County list. The most recorded are the Asian wall jumper (21), the bowl and doily spider (20) and the bold jumper (18). Richland County holds more than half of all Ohio records of the filmy dome spider and Pardosa pauxilla.
| # | Species | Records | Share of Ohio records |
|---|---|---|---|
| 1 | Asian wall jumper Attulus fasciger | 21 | 20% |
| 2 | Bowl and doily spider Frontinella pyramitela | 20 | 20% |
| 3 | Bold jumper Phidippus audax | 18 | 5% |
| 4 | Shore spider Pardosa milvina | 17 | 44% |
| 5 | Furrow orbweaver Larinioides cornutus | 15 | 9% |
| 6 | Orchard orbweaver Leucauge venusta | 13 | 3% |
| 7 | Stone spider Pardosa lapidicina | 13 | 35% |
| 8 | Zebra spider Salticus scenicus | 13 | 6% |
| 9 | Triangulate bud spider Steatoda triangulosa | 12 | 16% |
| 10 | Spined micrathena Micrathena gracilis | 11 | 6% |
| 11 | Spotted orbweaver Neoscona crucifera | 11 | 7% |
| 12 | Flea jumping spider Naphrys pulex | 10 | 9% |
| 13 | Wetland giant wolf spider Tigrosa helluo | 10 | 8% |
| 14 | Butterfly orbweaver Araneus pegnia | 9 | 38% |
| 15 | Filmy dome spider Neriene radiata | 9 | 50% |
| 16 | Banded garden spider Argiope trifasciata | 8 | 6% |
| 17 | Cone-shaped orbweaver Cyclosa conica | 8 | 14% |
| 18 | Dark fishing spider Dolomedes tenebrosus | 8 | 4% |
| 19 | Hammock spider Pityohyphantes costatus | 8 | 29% |
| 20 | Black-and-yellow argiope Argiope aurantia | 7 | 6% |
| 21 | Boreal combfoot Steatoda borealis | 7 | 17% |
| 22 | Bronze jumper Eris militaris | 7 | 7% |
| 23 | Common white-cheeked jumping spider Pelegrina proterva | 7 | 15% |
| 24 | Arabesque orbweaver Neoscona arabesca | 6 | 12% |
| 25 | Pardosa pauxilla | 6 | 67% |
| 26 | Tuftlegged orbweaver Mangora placida | 6 | 11% |
| 27 | Marbled orbweaver Araneus marmoreus | 5 | 8% |
| 28 | Familiar jumping spider Platycryptus undatus | 4 | 1% |
| 29 | Common house spider Parasteatoda tepidariorum | 3 | 12% |
| 30 | Nursery web spider Pisaurina mira | 3 | 2% |
| 31 | Parson spider Herpyllus ecclesiasticus | 3 | 5% |
| 32 | Arrowhead orbweaver Verrucosa arenata | 2 | 2% |
| 33 | Sixspotted fishing spider Dolomedes triton | 2 | 3% |
| 34 | Flower crab spider Mecaphesa asperata | 1 | 2% |
| 35 | Dictyna foliacea | — | — |
| 36 | Eastern long-legged cobweaver Theridion frondeum | — | — |
| 37 | Helophora insignis | — | — |
| 38 | Paraphidippus aurantius | — | — |
| 39 | Thick-hooked comb-tailed spider Neoantistea magna | — | — |
| 40 | White-banded fishing spider Dolomedes albineus | — | — |
When are spiders out in Richland County?
Observation records of spiders in Richland County run mostly March through October, peaking in September with 22% of them; across Ohio the peak is June.
What stands out in Richland County
Species for which Richland County holds a large share of all Ohio records: the shore spider, 44% (17 of 39); the stone spider, 35% (13 of 37); the bowl and doily spider, 20% (20 of 98); the Asian wall jumper, 20% (21 of 103); the triangulate bud spider, 16% (12 of 76).
Harmless lookalikes in Richland County
No copperheads reach the county list, but the eastern copperhead is on the Ohio list: treat any snake like it as venomous until identified. Harmless species often taken for them here: the eastern milksnake and the northern water snake. No cottonmouths reach the county list, and GBIF holds no cottonmouth record for Ohio under any license, so one reported here is most likely a harmless lookalike: the northern water snake. No coral snakes reach the county list, and GBIF holds no coral snake record for Ohio under any license, so one reported here is most likely a harmless lookalike: the eastern milksnake. No widow spiders reach the county list, but the northern black widow and the southern black widow are on the Ohio list: treat any spider like them as venomous until identified. Harmless species often taken for them here: the triangulate bud spider, the boreal combfoot and the common house spider.
Richland County among Ohio counties
By licensed snake records Richland County ranks 53rd of 88 Ohio counties with any.
Other Ohio counties with their own page: Summit County, Ottawa County, Erie County, Cuyahoga County, Franklin County, Montgomery County and Hamilton County.
The whole state: venomous species in Ohio, all snakes, all spiders.
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.