Oklahoma houses a wide variety of non-venomous spiders, with only two of them namely the brown recluse and the black widow being dangerous or deadly as per the Oklahoma Poison Control. Records of the Oklahoma State University mentions that the commonest spiders living here like those of the wolf, jumping and tarantula family are ground-dwelling.
Common spiders: Yellow Garden (Argiope aurantia), Banded Garden (Argiope trifasciata), Dark Fishing (Dolomedes tenebrosus), Oklahoma Brown Tarantula (Aphonopelma hentzi)
Largest spiders: Members of the wolf (Lycosidae) and fishing (Dolomedes) family