21 Types of Wolf Spiders in Michigan
21 types of wolf spiders have a verified observation record in Michigan. The most frequently recorded are Shoreline Wolf Spider, Wetland Giant Wolf Spider and Drumming Sword Wolf Spider. Here is the full list, ranked by how often each is reported on iNaturalist.
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21 types of wolf spiders have a verified observation record in Michigan. The most frequently recorded are Shoreline Wolf Spider, Wetland Giant Wolf Spider and Drumming Sword Wolf Spider. Here is the full list, ranked by how often each is reported on iNaturalist.
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Verified species, source iNaturalist
21 types of wolf spiders recorded in Michigan
21 wolf spider species have a verified observation record in Michigan, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
1 of the 21 shown is recorded as introduced to Michigan rather than native.
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Also recorded in Michigan
| # | Species | Scientific name | Records |
|---|---|---|---|
| 13 | Ground wolf spiderTrochosa terricola | Trochosa terricola | 65 |
| 14 | Pirate Otter SpiderPirata piraticus | Pirata piraticus | 58 |
| 15 | lance wolf spiderSchizocosa avida | Schizocosa avida | 39 |
| 16 | Missouri Burrowing Wolf SpiderGeolycosa missouriensis | Geolycosa missouriensis | 31 |
| 17 | Dotted Wolf SpiderRabidosa punctulata | Rabidosa punctulata | 29 |
| 18 | Woodland Giant Wolf SpiderTigrosa aspersa | Tigrosa aspersa | 26 |
| 19 | Varacosa avaraVaracosa avara | Varacosa avara | 14 |
| 20 | Trabeops aurantiacusTrabeops aurantiacus | Trabeops aurantiacus | 11 |
| 21 | Spinyrib Wolf SpiderAlopecosa aculeata | Alopecosa aculeata | 10 |
Plus 17 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations.
The Shoreline Wolf Spider (Arctosa littoralis) is the most commonly recorded, with 391 verified observations, about 15% of all wolf spiders reported in Michigan. If you spot a wolf spider here, it is statistically most likely to be this one.
Michigan also hosts less common wolf spiders such as Forest Wolf Spider, Shiny Wolf Spider and Allocosa funerea, each recorded fewer than 100 times. These are the species worth a second look when you are out, since a sighting is more notable.
Not every one of these is originally from here. Rustic Wolf Spider is recorded by iNaturalist as introduced in Michigan rather than native, so it arrived with human help rather than on its own.