Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Polk County (Oregon, USA)
List of families for Polk County (Oregon)
19 Families width 22 Species | Acaridae Latreille, 1802 | Acarid mites | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 2 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 1 | Species | Taxom | | Carabodidae Koch, 1837 | | 1 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 0 | Species | Taxom | | Ologamasidae (Ryke, 1962) | | 0 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 2 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 4 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 1 | Species | Taxom | | Lycosidae (Lehtinen & H..., 1979) | Ground Spiders | 1 | Species | Taxom | | Sabaconidae Dresco, 1970 | Sabaconid Harvestmen | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 1 | Species | Taxom | | Thermacaridae Sokolow, 1927 | | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 1 | Species | Taxom |
Genera for Polk County (Oregon)
23 Genera with 22 Species #ACDEHMNOPSTW
| Acarus Linnaeus, 1758 | | 1 | Species | Taxom | | Archaeodictyna Caporiacco, 1871 | | 1 | Species | Taxom | | Argiope Audouin, 1833 | Garden orbweavers | 1 | Species | Taxom | | Carabodes Koch, 1914 | | 1 | Species | Taxom | | Cheiracanthium C. L. Koch, 1847 | Longlegged sac spiders | 1 | Species | Taxom | Coriarachne Thorell, 1870 | | 0 | Species | Taxom | Cyrtolaelaps Berlese, 1887 | | 0 | Species | Taxom | | Dermacentor Koch, 1869 | Dog Ticks | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Emblyna Chamberlin, 1846 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1833 | | 1 | Species | Taxom | | Hydranetes Kethley, 1971 | | 1 | Species | Taxom | | Melychiopharis Simon, 1895 | | 1 | Species | Taxom | | Metaphidippus F. O. P.-Cam..., 1901 | | 1 | Species | Taxom | | Neoantistea Gertsch, 1887 | | 1 | Species | Taxom | | Neon Simon, 1888 | | 1 | Species | Taxom | | Oligonychus Berlese, 1950 | | 1 | Species | Taxom | | Pardosa C. L. Koch, 1872 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Sabacon Simon, 1975 | | 1 | Species | Taxom | | Sassacus Peckham & Pe..., 1894 | | 2 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 1 | Species | Taxom | | Thermacarus Sokolow, 1928 | | 1 | Species | Taxom | | Walchia Ewing, 1964 | | 1 | Species | Taxom |
Species list for Polk County (Oregon)
22 Species | Acarus siro Linnaeus, 1758 | Cereal mite | | Archaeodictyna ammophila Menge, 1871 | | | Argiope aurantia Lucas, 1833 | American garden spider | | Carabodes scymnus Hull, 1914 | | | Cheiracanthium inclusum Hentz, 1847 | Agrarian sac spider | | Dermacentor (Americentor) albipictus Packard, 1869 | Elk tick | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Emblyna annulipes John Blackwall, 1846 | | | Enoplognatha thoracica (Carl Wilhelm..., 1833) | ⇒ Enoplognatha oelandica Tord Tamerla..., 1875 | | Hydranetes tropisternus Kethley, 1971 | | | Melychiopharis cynips Eugène Simon, 1895 | | | Metaphidippus manni Peckham & Pe..., 1901 | | | Neoantistea agilis Keyserling, 1887 | | | Neon nelli Peckham & Pe..., 1888 | | | Oligonychus (Oligonychus) coniferarum McGregor, 1950 | Conifer spider mite | | Pardosa groenlandica (Thorell, 1872) | ⇒ Pardosa dromaea Tord Tamerla..., 1878 | | Sabacon siskiyou Shear, 1975 | | | Sassacus papenhoei Peckham & Pe..., 1895 | | | Sassacus vitis Cockerell, 1894 | Jumping spiders | | Tetragnatha versicolor Walckenaer, 1842 | | | Thermacarus nevadensis Marshall, 1928 | Basket willow | | Walchia (Wenia) isonychia Nadchatram &..., 1964 | |
Subnodes of Arachnida with occurrences in Polk County (Oregon)
 | | Arachnida (Lamarck 1801) |
Links, sources and further information Arachnida at biolcoll.utu.fi
Arachnida at wiki.spinnen-forum.de
Arachnida at spiderling.de
Arachnida at wsc.nmbe.ch
Arachnida at artfakta.se
Arachnida at biodiversity.org.au
Arachnida at dyntaxa.se
Arachnida at gbif.org
Arachnida at irmng.org
Arachnida at itis.gov
Arachnida at marinespecies.org
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