Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Somerset (El Dorado County, California, USA)
List of families for Somerset (El Dorado County)
12 Families width 15 Species and 1 Subspecies | Acaridae Latreille, 1802 | Acarid mites | 1 | Species | Taxom | | Araneidae (Simon, 1895) | Golden orb web spiders | 4 | Species | Taxom | | Ascidae Oudemans, 1905 | | 0 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 2 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 0 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 2 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 1 | Species | Taxom | | Fedrizziidae Trägårdh, 1937 | | 1 | Species | Taxom | | Leeuwenhoekiidae Womersley, 1944 | Chigger mites | 0 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 2 | Species | Taxom | | Oonopidae Simon, 1890 | Dwarf Cell Spiders | 1 | Species | Taxom |
Genera for Somerset (El Dorado County)
19 Genera with 15 Species | Acarus Linnaeus, 1758 | | 1 | Species | Taxom | | Araneus Clerck, 1758 | Angulate & roundshouldered orbweavers | 1 | Species | Taxom | Arctoseius Thor, 1930 | | 0 | Species | Taxom | | Bryobia Koch, 1835 | | 1 | Species | Taxom | | Cyclosa Menge, 1772 | Three-lobed Spiders | 1 | Species | Taxom | Euschoengastia Ewing, 1938 | | 0 | Species | Taxom | Hyponeocula Vercammen-Gr..., 1960 | | 0 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | | Latrodectus Walckenaer, 1841 | Black widow spider | 1 | Species | Taxom | | Micaria Westring, 1831 | | 1 | Species | Taxom | | Neofedrizzia Womersley, 2007 | | 1 | Species | Taxom | Odontacarus Ewing, 1929 | | 0 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 1 | Species | Taxom | | Steatoda Sundevall, 1838 | False black widows | 1 | Species | Taxom | | Tarsonemus Canestrini &..., 1939 | | 2 | Species | Taxom | | Tetranychus Dufour, 1836 | | 1 | Species | Taxom | | Triaeris Simon, 1914 | | 1 | Species | Taxom | Trombicula Berlese, 1905 | | 0 | Species | Taxom | | Zygiella F. O. P.-Cam..., 1757 | | 1 | Species | Taxom |
Species list for Somerset (El Dorado County)
15 Species and 1 Subspecies | Acarus siro Linnaeus, 1758 | Cereal mite | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Bryobia (Bryobia) praetiosa (C. L. Koch, 1835) | ⇒ Bryobia macrotibialis Mathys, 1962 | | Cyclosa conica Pallas, 1772 | Conical Trashline Orbweaver | | Larinioides cornutus Clerck, 1758 | Furrow orb spider | | Latrodectus geometricus C. L. Koch, 1841 | Brown black widow | | Micaria pulicaria Sundevall, 1831 | Glossy ant spider | | Neofedrizzia lepas Seeman, 2007 | | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Tarsonemus (Tarsonemus) apis Rennie, 1921 | | | Tarsonemus (Tarsonemus) cryptocephalus Ewing, 1939 | | | Tetranychus (Tetranychus) urticae C. L. Koch, 1836 | Carmine spider mite | | Triaeris macrophthalmus cryptops Berland, 1914 | | | Zygiella x-notata (Clerck, 1757) | ⇒ Guizygiella nadleri Heimer, 1984 |
Subnodes of Arachnida with occurrences in Somerset (El Dorado County)
 | | 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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