Spiders in Oregon

One species of this group is listed for Oregon: the western black widow, with 22 records (0.8% of the state's spider records).

Jumping spiders dominate the spider record of Oregon: 32 species and 34% of all records. The most recorded is the bold jumper (274), ahead of the zebra spider (212).

Observation records of the bold jumper in Oregon run mostly March through October, peaking in April; most licensed records come from Multnomah County, Lane County and Washington County. Observation records of the zebra spider in Oregon run mostly March through August, peaking in June; most licensed records come from Multnomah County, Lane County and Marion County. Most licensed records of Habronattus amicus in Oregon come from Lake County, Crook County and Harney County.

Wolf spiders are a small part of the spider record here: five species with 1% of records between them. The most recorded is the Koch's wolf spider (18), ahead of the Groenland wolf spider (11).

Orb weavers: 15 species are listed for Oregon, with 536 records (19% of the state's spider records). The most recorded is the garden spider (372), ahead of the sixspotted orbweaver (30).

Observation records of the garden spider in Oregon run mostly July through November, peaking in September; most licensed records come from Multnomah County, Lane County and Benton County. Observation records of the sixspotted orbweaver in Oregon run mostly May through August, peaking in May; most licensed records come from Hood River County, Lane County and Jackson County.

One species of this group is listed for Oregon: the long-jawed orb weaver, with 4 records (0.1% of the state's spider records).

One species of this group is listed for Oregon: the sixspotted fishing spider, with 3 records (0.1% of the state's spider records).

Crab spiders: seven species are listed for Oregon, with 261 records (9% of the state's spider records). The most recorded is the goldenrod crab spider (206), ahead of the Eurasian running crab spider (32).

Observation records of the goldenrod crab spider in Oregon run mostly April through September, peaking in June; most licensed records come from Lane County, Multnomah County and Benton County. Observation records of the Eurasian running crab spider in Oregon run mostly April through October, peaking in May; most licensed records come from Multnomah County, Clackamas County and Washington County.

Cobweb spiders: four species are listed for Oregon, with 98 records (3% of the state's spider records). The most recorded is the common candy-striped spider (39), ahead of the false black widow (27).

Observation records of the common candy-striped spider in Oregon run mostly May through August, peaking in July; most licensed records come from Multnomah County, Clatsop County and Benton County.

Funnel weavers and grass spiders: three species are listed for Oregon, with 122 records (4% of the state's spider records). The most recorded is the giant house spider (80), ahead of the barn funnel weaver (24).

Observation records of the giant house spider in Oregon run mostly April through October, peaking in August; most licensed records come from Multnomah County, Lane County and Washington County.

Lynx spiders are a small part of the spider record here: two species with 2% of records between them. The most recorded is the western lynx spider (57), ahead of the striped lynx spider (4).

Observation records of the western lynx spider in Oregon run mostly March through July, peaking in May; most licensed records come from Jackson County, Lane County and Multnomah County.

Sheetweb and dwarf spiders are a small part of the spider record here: three species with 1% of records between them. The most recorded is the sierra dome spider (25), ahead of the filmy dome spider (6).

Ground and sac spiders are a small part of the spider record here: four species with 0.9% of records between them. The most recorded is the mouse spider (14), ahead of the northern yellow sac spider (6).

Other spiders: ten species are listed for Oregon, with 168 records (6% of the state's spider records). The most recorded is the longbodied cellar spider (62), ahead of Dysdera crocata (43).

Observation records of the longbodied cellar spider in Oregon run mostly April through December, peaking in August; most licensed records come from Multnomah County, Lincoln County and Benton County. Observation records of Dysdera crocata in Oregon run mostly March through November, peaking in May; most licensed records come from Multnomah County, Lane County and Benton County.

Multnomah County dominates: 25% of the state's licensed spider records come from it alone, and the top five counties hold 58%. 36 of Oregon's 36 counties have at least one licensed spider record.

Observation records of spiders in Oregon run mostly March through October, peaking in June with 16% of them. Winter (December to February) holds 4% of the records. The sharpest rise comes from April to May.

Oregon ranks 37th of 50 states by the number of spider species listed; Texas leads with 386 species.

Of the four states bordering Oregon, California and Washington list more spider species (Oregon: 88 species; California 309, Washington 157, Idaho 56, Nevada 47).

Ranked by licensed records in Oregon. The table shows the 60 most recorded of 88 listed spiders.