Spiders in Michigan

Michigan has more than 45 spider species out of which the brown recluse and northern black widow are considered the most poisonous.

Common spiders: Black and Yellow Garden (Argiope aurantia), Banded Garden (Argiope trifasciata), Ant-mimic (Castianeira longipalpa)

Largest spiders: Giant House (Eratigena atrica), Giant Crab (Olios giganteus), Carolina Wolf (Hogna carolinensis)

Spiders in Michigan Identification Chart

Highly Venomous Spiders

Cobweb (Theridiidae)


Less Venomous Spiders

Orb-weaver (Araneidae)


Nursery Web (Pisauridae)


Jumping (Salticidae)

Wolf (Lycosidae)

  • Tiger Wolf (Tigrosa aspersa)
  • Carolina Wolf (Hogna carolinensis)
  • Tigrosa helluo
  • Trochosa ruricola
  • Geolycosa missouriensis
  • Gladicosa gulosa
  • Hogna baltimoriana

Ground (Gnaphosidae)

Crab (Thomisidae)

Cellar (Pholcidae)

Cobweb (Theridiidae)

Long-jawed Orb-weaver (Tetragnathidae)

  • Tetragnatha versicolor

Running Crab (Philodromidae)

  • Tibellus oblongus