Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Imperial County (Eastern California, California, USA)
List of families for Imperial County 19 Families width 32 Species | Theridiidae (Sundevall, 1833) | Cobweb And Widow Spiders | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom | | Tenuipalpidae Berlese, 1913 | False spider mites | 2 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Eremobatidae Kraepelin, 1899 | | 6 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 3 | Species | Taxom | | Hadruridae Stahnke, 1974 | | 1 | Species | Taxom | | Harpirhynchidae Dubinin, 1957 | | 1 | Species | Taxom | | Histiostomatidae Berlese, 1897 | | 1 | Species | Taxom | | Homalonychidae Simon, 1893 | Dusty desert spiders | 1 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 2 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 1 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 6 | Species | Taxom | | Liocranidae Simon, 1897 | Liocranid sac spiders | 1 | Species | Taxom | | Leeuwenhoekiidae Womersley, 1944 | Chigger mites | 0 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 1 | Species | Taxom | | Vaejovidae Thorell, 1876 | | 1 | Species | Taxom |
Genera for Imperial County 29 Genera with 32 Species #ABDEHMNOPST
| Anelosimus Simon, 1850 | Social cobweb spiders | 1 | Species | Taxom | | Archaeodictyna Caporiacco, 1871 | | 1 | Species | Taxom | | Brevipalpus Donnadieu, 1949 | | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Dolichotetranychus Sayed, 1952 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Eremobates Banks, 2005 | | 1 | Species | Taxom | | Eremochelis Roewer, 1989 | | 3 | Species | Taxom | | Eremocosta Roewer, 1951 | | 1 | Species | Taxom | | Habronattus F. O. P.-Cam..., 1904 | Paradise Spiders | 3 | Species | Taxom | | Hadrurus Thorell, 1928 | Giant hairy scorpions | 1 | Species | Taxom | | Harpirhynchus Megnin, 1911 | | 1 | Species | Taxom | | Hemerotrecha Banks, 1903 | | 1 | Species | Taxom | | Histiostoma Kramer, 2001 | | 1 | Species | Taxom | | Homalonychus Marx, 1924 | | 1 | Species | Taxom | | Hydranetes Kethley, 1971 | | 1 | Species | Taxom | | Mecaphesa Simon, 1877 | | 2 | Species | Taxom | | Micaria Westring, 1988 | | 1 | Species | Taxom | Misumenops F. O. P.-Cam..., 1900 | | 0 | Species | Taxom | | Mononychellus Wainstein, 1938 | | 1 | Species | Taxom | | Neoanagraphis Gertsch & Mu..., 1936 | | 1 | Species | Taxom | Odontacarus Ewing, 1929 | | 0 | Species | Taxom | | Oligonychus Berlese, 1912 | | 1 | Species | Taxom | | Paraplonobia Wainstein, 1968 | | 1 | Species | Taxom | | Petrobia Murray, 1776 | | 1 | Species | Taxom | | Peucetia Thorell, 1832 | | 1 | Species | Taxom | | Pseudobryobia McGregor, 1926 | | 1 | Species | Taxom | | Smeringurus Haradon, 1957 | | 1 | Species | Taxom | | Tetranychus Dufour, 1836 | | 1 | Species | Taxom |
Species list for Imperial County 32 Species | Anelosimus studiosus (Nicholas Mar..., 1850) | ⇒ Anelosimus fraternus Agnarsson, 2006 | | Archaeodictyna ammophila Menge, 1871 | | | Brevipalpus lewisi McGregor, 1949 | Citrus flat mite | | Dermacentor variabilis Say, 1821 | American dog tick | | Dolichotetranychus (Dolichotetranychus) salinas Pritchard & ..., 1952 | | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Eremobates inkopaensis Brookhart & ..., 2005 | | | Eremochelis flavus Muma, 1989 | | | Eremochelis insignatus Roewer, 1934 | | | Eremochelis saltoni Muma, 1989 | | | Eremocosta calexicensis Muma, 1951 | | | Habronattus formosus Richard C. B..., 1906 | Southern flatcoil | | Habronattus signatus Richard C. B..., 1900 | | | Habronattus tarsalis Richard C. B..., 1904 | Jumping spider | | Hadrurus arizonensis Ewing, 1928 | Arizona Desert hairy scorpion | | Harpirhynchus brevis Ewing, 1911 | | | Hemerotrecha xena Banks, 1903 | | | Histiostoma (Histiostoma) heriades Fain & Pauly, 2001 | | | Homalonychus theologus Chamberlin, 1924 | | | Hydranetes tropisternus Kethley, 1971 | | | Mecaphesa deserti Schick, 1965 | | | Mecaphesa lepida Tord Tamerla..., 1877 | | | Micaria idana Norman I. Pl..., 1988 | | | Mononychellus tanajoa Auct. nec Bo..., 1938 | Cassava green mite | | Neoanagraphis chamberlini Gertsch & Mu..., 1936 | | | Oligonychus (Reckiella) pratensis Banks, 1912 | Banks grass mite | | Paraplonobia hilariae Tuttle & Baker, 1968 | | | Petrobia (Petrobia) latens Muller, 1776 | Brown wheat mite | | Peucetia viridans Hentz, 1832 | Green Lynx Spider | | Pseudobryobia drummondi Ewing, 1926 | Creosotebush spider mite | | Smeringurus mesaensis Stahnke, 1957 | Dune scorpion | | Tetranychus (Tetranychus) urticae C. L. Koch, 1836 | Carmine spider mite |
Subnodes of Arachnida with occurrences in Imperial 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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