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)

Sicariidae

Less Venomous Spiders

Orb-weaver (Araneidae)

Amaurobiidae

  • Black Lace-Weaver (Amaurobius ferox)
  • Callobius bennetti

Nursery Web (Pisauridae)

Agelenidae

Jumping (Salticidae)

  • Bold Jumper (Phidippus audax)
  • Tan Jumping (Platycryptus undatus)
  • Zebra Back (Salticus scenicus)
  • Bronze Jumper (Eris militaris)
  • Dimorphic Jumper (Maevia inclemens)
  • White-Jawed Jumping (Hentzia mitrata)
  • Ant-mimic (Castianeira longipalpa)
  • Euophrys monadnock
  • Phidippus purpuratus
  • Phidippus whitmani
  • Sitticus fasciger

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

Trachelidae