Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Placer County (Eastern California, California, USA)
List of families for Placer County
38 Families width 60 Species #ALCJMDTEGIFSNPV
| Adamystidae Cunliffe, 1957 | | 0 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 3 | Species | Taxom | | Corinnidae (Karsch, 1880) | Ant-like Sac Spiders | 2 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 8 | Species | Taxom | | Carabodidae Koch, 1837 | | 2 | Species | Taxom | | Johnstonianidae Thor, 1935 | | 1 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Cheliferidae Risso, 1826 | | 1 | Species | Taxom | | Digamasellidae Evans, 1957 | | 0 | Species | Taxom | | Amblyommidae (Banks, 1907) | | 2 | Species | Taxom | | Chernetidae Menge, 1855 | | 2 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 3 | Species | Taxom | | Eremobatidae Kraepelin, 1899 | | 0 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 4 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 2 | Species | Taxom | | Ixodidae C. L. Koch, 1844 | Hard Tick | 1 | Species | Taxom | | Filistatidae Ausserer, 1867 | Crevice weaver | 1 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 2 | Species | Taxom | | Macrochelidae Vitzthum, 1930 | | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 5 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 2 | Species | Taxom | | Anapidae Simon, 1895 | Anapid spiders | 1 | Species | Taxom | | Neobisiidae Chamberlin, 1930 | | 1 | Species | Taxom | | Phytoseiidae Berlese, 1916 | Phytoseiid mites | 1 | Species | Taxom | | Nematalycidae Strenzke, 1954 | | 1 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 1 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 1 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Vaejovidae Thorell, 1876 | | 1 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 1 | Species | Taxom | | Cheyletidae Leach, 1815 | | 1 | Species | Taxom | | Garypidae Simon, 1879 | | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Philodromidae (Thorell, 1870) | False crab spiders | 1 | Species | Taxom | | Phytoptidae Manson, 1970 | | 1 | Species | Taxom | | Acaridae Latreille, 1802 | Acarid mites | 1 | Species | Taxom |
Genera for Placer County
56 Genera with 60 Species #ACDEFGHIKLMNOPRSTWXZ
Adamystis Cunliffe, 1957 | | 0 | Species | Taxom | | Alopecosa Simon, 1758 | Fox spiders | 1 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1935 | Angulate & roundshouldered orbweavers | 3 | Species | Taxom | | Argiope Audouin, 1775 | Garden orbweavers | 1 | Species | Taxom | | Carabodes Koch, 1914 | | 2 | Species | Taxom | | Centrotrombidium Kramer, 1957 | | 1 | Species | Taxom | | Cheiracanthium C. L. Koch, 1864 | Longlegged sac spiders | 1 | Species | Taxom | | Chelifer Geoffroy, 1758 | | 1 | Species | Taxom | Dendrolaelaps Halbert, 1915 | | 0 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | Digamasellus Berlese, 1905 | | 0 | Species | Taxom | | Dinocheirus J. C. Chambe..., 1895 | | 2 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Eotetranychus Oudemans, 1917 | | 1 | Species | Taxom | Eremobates Banks, 1900 | | 0 | Species | Taxom | | Frontinella Cambridge, 1841 | | 1 | Species | Taxom | | Glenognatha Simon, 1894 | | 1 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Ixodes Latreille, 1904 | | 1 | Species | Taxom | | Kukulcania Lehtinen, 1842 | | 1 | Species | Taxom | | Leiobunum C. L. Koch, 1821 | Daddy Long Leg Spiders | 2 | Species | Taxom | | Macrocheles Latreille, 1772 | | 1 | Species | Taxom | | Mangora O. P.-Cambridge, 1847 | | 1 | Species | Taxom | | Mecaphesa Simon, 1877 | | 2 | Species | Taxom | | Melychiopharis Simon, 1895 | | 1 | Species | Taxom | | Metanapis Godman & Salvin, 1974 | | 1 | Species | Taxom | | Metepeira F. O. P.-Cam..., 1941 | | 1 | Species | Taxom | | Microbisium Chamberlin, 1895 | | 1 | Species | Taxom | | Neoscona Simon, 1842 | Spotted orbweavers | 1 | Species | Taxom | | Neoseiulus Hughes, 1948 | | 1 | Species | Taxom | | Neriene Blackwall, 1830 | | 1 | Species | Taxom | | Oligonychus Berlese, 1950 | | 1 | Species | Taxom | | Osperalycus Bolton & Klo..., 2014 | | 1 | Species | Taxom | | Pardosa C. L. Koch, 1942 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Phrurotimpus Chamberlin &..., 1847 | | 1 | Species | Taxom | | Pisaurina Simon, 1837 | | 1 | Species | Taxom | | Pityohyphantes Simon, 1850 | Hammock Spiders | 1 | Species | Taxom | | Platyphytoptus Keifer, 2001 | | 1 | Species | Taxom | | Poecilopachys Simon, 1833 | | 1 | Species | Taxom | | Pseudouroctonus Stahnke, 2016 | | 1 | Species | Taxom | | Psilochorus Simon, 1921 | | 1 | Species | Taxom | | Rhipicephalus Ziemanni Neu..., 1806 | | 1 | Species | Taxom | | Samsinakia Volgin, 1984 | | 1 | Species | Taxom | | Schizocosa Chamberlin, 1904 | | 1 | Species | Taxom | | Steatoda Sundevall, 1838 | False black widows | 1 | Species | Taxom | | Synsphyronus J. C. Chambe..., 1943 | | 1 | Species | Taxom | | Tarsonemus Canestrini &..., 1939 | | 1 | Species | Taxom | | Tetranychus Dufour, 1836 | | 1 | Species | Taxom | | Tibellus Simon, 1802 | Slender Crab Spider | 1 | Species | Taxom | | Trisetacus Keifer, 1887 | | 1 | Species | Taxom | | Tyrophagus Oudemans, 1781 | | 1 | Species | Taxom | | Walckenaeria Blackwall, 1882 | | 1 | Species | Taxom | | Xysticus Koch, 1880 | Ground Crab Spider | 3 | Species | Taxom | | Zelotes Gistel, 1920 | | 1 | Species | Taxom |
Species list for Placer County
60 Species | Alopecosa aculeata Clerck, 1758 | | | Apochinomma formica Eugène Simon, 1896 | | | Araneus balanus Doleschall, 1859 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Araneus gemmoides Chamberlin &..., 1935 | Cat-faced Spider | | Argiope trifasciata Forsskål, 1775 | Banded Argiope | | Carabodes (Klapperiches) california Reeves & Beh..., 1998 | | | Carabodes scymnus Hull, 1914 | | | Centrotrombidium culicoides Vercammen-Gr..., 1957 | | | Cheiracanthium mildei L. Koch, 1864 | North Yellow Sac Spider | | Chelifer cancroides Linnaeus, 1758 | Book pseudoscorpion | | Dermacentor variabilis Say, 1821 | American dog tick | | Dinocheirus dorsalis Banks, 1895 | | | Dinocheirus validus Banks, 1895 | | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Eotetranychus willamettei McGregor, 1917 | Willamette mite | | Frontinella pyramitela (Walckenaer, 1841) | ⇒ Frontinella communis Hentz, 1850 | | Glenognatha foxi McCook, 1894 | Longjawed orb weavers | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Ixodes sculptus Neumann, 1904 | Sculptured tick | | Kukulcania hibernalis Hentz, 1842 | Crevice weaver | | Leiobunum bimaculatum Banks, 1893 | | | Leiobunum vittatum Say, 1821 | Eastern Harvestman | | Macrocheles (Macrocheles) muscaedomesticae Scopoli, 1772 | House fly mite | | Mangora placida Hentz, 1847 | Tuft-Legged Orb Weaver | | Mecaphesa celer Hentz, 1847 | Celer crab spider | | Mecaphesa lepida Tord Tamerla..., 1877 | | | Melychiopharis cynips Eugène Simon, 1895 | | | Metanapis plutella Raymond Robe..., 1974 | | | Metepeira grandiosa Ralph Vary C..., 1941 | | | Microbisium parvulum Banks, 1895 | | | Neoscona arabesca Walckenaer, 1842 | Arabesque orbweaver | | Neoseiulus fallacis Garman, 1948 | Predaceous mite | | Neriene clathrata Sundevall, 1830 | | | Oligonychus (Oligonychus) milleri McGregor, 1950 | Pine spider mite | | Osperalycus tenerphagus Bolton & Klo..., 2014 | | | Pardosa hetchi Ralph Vary C..., 1942 | | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Phrurotimpus alarius (Nicholas Mar..., 1847) | ⇒ Phrurotimpus borealis James Henry ..., 1911 | | Pisaurina mira Charles Atha..., 1837 | American Nursery Web Spider | | Pityohyphantes costatus Nicholas Mar..., 1850 | Hammock spider | | Platyphytoptus sabinianae Keifer, 1939..., 2001 | | | Poecilopachys australasia Griffith & P..., 1833 | Two-spined Spider | | Pseudouroctonus maidu Savary & Bry..., 2016 | | | Psilochorus apicalis Banks, 1921 | | | Rhipicephalus (Rhipicephalus) sanguineus (Latreille, 1806) | ⇒ Rhipicephalus sanguineus Latreille, 1806 | | Samsinakia gonocephalum Fain, 1984 | | | Schizocosa mccooki M. E. Montgo..., 1904 | Spoon worms | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Synsphyronus mimetus Chamberlin, 1943 | Costate mountainsnail | | Tarsonemus (Tarsonemus) cryptocephalus Ewing, 1939 | | | Tetranychus (Tetranychus) urticae C. L. Koch, 1836 | Carmine spider mite | | Tibellus oblongus (Walckenaer, 1802) | ⇒ Tibellus maritimus Menge, 1875 | | Trisetacus pini Nalepa, 1887 | Pine bud mite | | Tyrophagus (Tyrophagus) putrescentiae Schrank, 1781 | Cereal mite | | Walckenaeria castanea James Henry ..., 1882 | | | Xysticus benefactor Eugen von Ke..., 1880 | | | Xysticus cunctator Tord Tamerla..., 1877 | Sebastopol meadowfoam | | Xysticus triguttatus Keyserling, 1880 | Three-banded Crab Spider | | Zelotes fratris Chamberlin, 1920 | |
Subnodes of Arachnida with occurrences in Placer 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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