Spiders in Washington

There are different spider species indigenous to Washington of which the most dangerous are the false widow and the brown widow. The northern yellow sac is said to be mildly venomous.  The wolf spider is said to thrive in most regions of Washington DC.

Common spiders: Hobo (Eratigena agrestis), Common House (Parasteatoda tepidariorum), Barn Funnel Weaver (Tegenaria domestica)

Largest spiders: Giant House (Eratigena atrica) and spiders of the Wolf (Lycosidae) family

Highly Venomous Spiders

Sicariidae

• Brown Recluse (Loxosceles reclusa)

Cheiracanthiidae

• Northern Yellow Sac (Cheiracanthium mildei)

Cobweb (Theridiidae)

• False Widow (Steatoda nobilis)

Less Venomous Spiders

Orb-weaver (Araneidae)

• Cross Orb-weaver (Araneus diadematus)
• Six-spotted Orb-weaver (Araniella displicata)
• Banded Garden (Argiope trifasciata)
• Araneus saevus
• Larinioides patagiatus

Jumping (Salticidae)

• Bold Jumper (Phidippus audax)
• Zebra Back (Salticus scenicus)
• Johnson Jumping (Phidippus johnsoni)
• Phanias harfordi

Funnel Weaver (Agelenopsis)

• American Grass (Agelenopsis potteri)
• Hobo (Eratigena agrestis)
• Giant House (Eratigena atrica)
• Barn Funnel Weaver (Tegenaria domestica)

Wolf (Lycosidae)

• Alopecosa kochi
• Ground Wolf (Trochosa terricola)
• Carolina Wolf (Hogna carolinensis)

Amaurobiidae

• Callobius severus

Cellar (Pholcidae)

• Long-bodied Cellar (Pholcus phalangioides)

Cobweb (Theridiidae)

• Candy Striped (Enoplognatha ovate)
• Rabbit Hutch (Steatoda bipunctata)
• Triangulate Cobweb (Steatoda triangulosa)
• Common House (Parasteatoda tepidariorum)

Crab (Thomisidae)

• Goldenrod Crab (Misumena vatia)

Sheetweb (Stiphidiidae)

• Eared Dome Sheet-web (Neriene digna)

Actinopodidae

• Eastern Mouse (Missulena bradleyi)

Spitting

• Scytodes thoracica

Ground (Gnaphosidae)

• Sergiolus montanus