Spiders in Ohio

The state of Ohio has a large number of spiders belonging to prominent families out of which the brown recluse and widow are considered dangerous or deadly.

Common spiders: Marbled Orb-weaver (Araneus marmoreus), Yellow Garden (Argiope aurantia), Triangulate Cobweb (Steatoda triangulosa), Six-spotted Fishing (Dolomedes triton)

Largest spiders: Dark Fishing (Dolomedes tenebrosus), Six-spotted Fishing (Dolomedes triton), Tiger Wolf (Tigrosa aspersa)

Highly Venomous Spiders

Sicariidae

• Brown Recluse (Loxosceles reclusa)
• Mediterranean Recluse (Loxosceles rufescens)

Cobweb (Theridiidae)

• Southern Black Widow (Latrodectus mactans)
• Northern Black Widow (Latrodectus variolus)

Less Venomous Spiders

Orb-weaver (Araneidae)

• Marbled Orb-weaver (Araneus marmoreus)
• Shamrock Orb-weaver (Araneus trifolium)
• Cross Orb-weaver (Araneus diadematus)
• Furrow Orb-weaver (Larinioides cornutus)
• Tuft-legged Orb-weaver (‎Mangora placida)
• Orchard Orb-weaver (Leucauge venusta)
• Hentz Orb-weaver (Neoscona crucifera)
• Feather-legged Orb-weaver (Uloborus glomosus)
• Yellow Garden (Argiope aurantia)
• Banded Garden (Argiope trifasciata)
• Arrow-shaped Micrathena (Micrathena sagittata)
• Labyrinthine Orb-weaver (Metepeira labyrinthia)
• Barn Orb-weaver (Araneus cavaticus)

Cobweb (Theridiidae)

• Triangulate Cobweb (Steatoda triangulosa)
• Common House (Parasteatoda tepidariorum)

Nursery Web (Pisauridae)

• Dark Fishing (Dolomedes tenebrosus)
• Six-spotted Fishing (Dolomedes triton)
• Striped Fishing (Dolomedes scriptus)

Cellar (Pholcidae)

• Long-bodied Cellar (Pholcus phalangioides)

Wolf (Lycosidae)

• Tiger Wolf (Tigrosa aspersa)
• Missouri Burrowing Wolf (Geolycosa-missouriensis)
• Tigrosa helluo
• Tigrosa georgicola
• Hogna baltimoriana

Ground (Gnaphosidae)

• Eastern Parson (Herpyllus ecclesiasticus)

Long-jawed Orb-weaver

• Elongate Stilt (Tetragnatha elongate)
• Pachygnatha autumnalis

Funnel Weaver (Agelenidae)

• Barn Funnel (Tegenaria domestica)

Jumping (Salticidae)

• Bold Jumper (Phidippus audax)
• Emerald Jumping (Paraphidippus aurantius)
• Tan Jumping (Platycryptus undatus)
• Dimorphic Jumper (Maevia inclemens)
• Sylvana Jumping (Colonus sylvanus)
• Hentz Jumping (Hentzia palmarum)
• Golden Jumping (Paraphidippus aurantius)
• Zebra Back (Salticus scenicus)
• Myrmarachne formicaria
• Sitticus fasciger
• Tutelina elegans

Cheiracanthiidae

• Northern Yellow Sac (Cheiracanthium mildei)

Anyphaenidae Sac

• Garden Ghost (Hibana gracilis)

Running Crab (Philodromidae)

• Oblong Running (Tibellus oblongus)

Amaurobiidae

• Hackled-Mesh Weaver (Callobius bennetti)

Ray (Theridiosomatidae)

• Common Eastern Ray (Theridiosoma gemmosum)

Lynx (Oxyopidae)

• Striped Lynx (Oxyopes salticus)

Crab (Thomisidae)

• Common Crab (Xysticus cristatus)