Spiders in Massachusetts

Massachusetts has different spider species, with the commonest being members of the wolf, cobweb and orb-weaver family. The only deadliest species present here is the northern black widow. The brown recluse, which is also considered to be potentially harmful to humans is rarely found in this state.

Common spiders: Northern Black Widow (Latrodectus variolus), Common House (Parasteatoda tepidariorum)

Largest spider: Rabid Wolf (Rabidosa rabida)

Spiders in Massachusetts

Highly Venomous Spiders

Cobweb (Theridiidae)

  • Northern Black Widow (Latrodectus variolus)

Less Venomous Spiders

Orb-Weaver (Araneidae)

Nursery Web (Pisauridae)

Jumping (Salticidae)


Cobweb (Theridiidae)

  • Common House (Parasteatoda tepidariorum)
  • Triangulate Cobweb (Steatoda triangulosa)
  • Two-spotted Cobweb (Asagena americana)
  • Steatoda borealis

Wolf (Lycosidae)

  • Gladicosa gulosa
  • Varacosa avara
  • Tigrosa helluo
  • Trochosa ruricola
  • Rabid Wolf (Rabidosa rabida)

Crab (Thomisidae)

Ground (Gnaphosidae)

  • Sergiolus capulatus



Cellar (Phocidae)

Spitting (Scytodidae)

  • Scytodes thoracica

Funnel Weaver (Agelenidae)