Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Sacramento County (California, USA)
List of families for Sacramento County
35 Families width 72 Species #ELACDSJBTGPMX
| Eriophyidae Nalepa, 1898 | Blister mites | 12 | Species | Taxom | | Lycosidae (Lehtinen & H..., 1979) | Ground Spiders | 4 | Species | Taxom | | Alloptidae Gaud, 1957 | | 1 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 2 | Species | Taxom | | Araneidae (Simon, 1895) | Golden orb web spiders | 8 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 2 | Species | Taxom | | Segestriidae Simon, 1893 | Six-eyed Spiders | 1 | Species | Taxom | | Erythraeidae Oudemans, 1902 | | 0 | Species | Taxom | | Johnstonianidae Thor, 1935 | | 1 | Species | Taxom | | Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 1 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Theridiidae (Sundevall, 1833) | Cobweb And Widow Spiders | 4 | Species | Taxom | | Diptilomiopidae Boczek, 1964 | | 2 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 6 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 5 | Species | Taxom | | Eremaeidae Oudemans, 1900 | | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 0 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 7 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Lebertiidae Thor, 1900 | | 0 | Species | Taxom | | Limnesiidae Thor, 1900 | | 0 | Species | Taxom | | Cocceupodidae Jesionowska, 2010 | | 0 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 4 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 1 | Species | Taxom | | Pachylaelapidae Berlese, 1913 | | 1 | Species | Taxom | | Phytoptidae Manson, 1970 | | 2 | Species | Taxom | | Melicharidae Hirschmann, 1962 | | 0 | Species | Taxom | | Listrophoridae Mégnin & Tro..., 1884 | | 0 | Species | Taxom | | Myobiidae Megnin, 1877 | | 0 | Species | Taxom | | Philodromidae (Thorell, 1870) | False crab spiders | 1 | Species | Taxom | | Tengellidae Dahl, 1908 | Tengellid spiders | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 1 | Species | Taxom | | Xenillidae Woolley & Hi..., 1966 | | 0 | Species | Taxom |
Genera for Sacramento County
78 Genera with 72 Species #ABCDEFGHLMNOPRSTUWXZ
| Aceria Keifer, 1939 | | 3 | Species | Taxom | | Aculops Keifer, 1937 | | 1 | Species | Taxom | | Aculus Keifer, 1938 | | 1 | Species | Taxom | | Allocosa Banks, 1983 | | 1 | Species | Taxom | | Alloptes Canestrini, 1976 | | 1 | Species | Taxom | | Alopecosa Simon, 1758 | Fox spiders | 1 | Species | Taxom | | Anyphaena Sundevall, 1896 | | 1 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1872 | Angulate & roundshouldered orbweavers | 2 | Species | Taxom | | Archaeodictyna Caporiacco, 1871 | | 1 | Species | Taxom | | Ariadna Audouin, 1877 | | 1 | Species | Taxom | Balaustium von Heyden, 1826 | Concrete Mites | 0 | Species | Taxom | Calepitrimerus Keifer, 1938 | | 0 | Species | Taxom | | Callyntrotus Nalepa, 1894 | | 1 | Species | Taxom | | Centrotrombidium Kramer, 1957 | | 1 | Species | Taxom | | Centruroides Marx, 1863 | Bark scorpions | 1 | Species | Taxom | | Cyclosa Menge, 1887 | Three-lobed Spiders | 2 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Dipoena Thorell, 1882 | | 1 | Species | Taxom | | Diptacus Keifer, 1892 | | 1 | Species | Taxom | | Drassyllus Chamberlin, 1922 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Epitrimerus Nalepa, 1939 | | 1 | Species | Taxom | | Eriophyes Siebold, 1857 | | 2 | Species | Taxom | | Eris C. L. Koch, 1845 | | 1 | Species | Taxom | | Eueremaeus Mihelcic, 1979 | | 1 | Species | Taxom | Euschoengastia Ewing, 1938 | | 0 | Species | Taxom | | Frontinella Cambridge, 1841 | | 1 | Species | Taxom | Gammaphytoptus Keifer, 1939 | | 0 | Species | Taxom | | Gnaphosa Latreille, 1866 | | 1 | Species | Taxom | Habronattus F. O. P.-Cam..., 1901 | Paradise Spiders | 0 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Hydranetes Kethley, 1971 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | Lathys Simon, 1884 | | 0 | Species | Taxom | Lebertia Neuman, 1880 | | 0 | Species | Taxom | Limnesia Koch, 1835 | | 0 | Species | Taxom | Linopodes Koch, 1835 | | 0 | Species | Taxom | | Mago O. P-Cambridge, 1900 | | 1 | Species | Taxom | | Mangora O. P.-Cambridge, 1847 | | 1 | Species | Taxom | | Mermessus O. P.-Cambridge, 1882 | | 1 | Species | Taxom | | Micaria Westring, 1831 | | 2 | Species | Taxom | | Microneta Menge, 1841 | | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Myrmarachne MacLeay, 1980 | Antmimicking spider | 1 | Species | Taxom | | Nelima Roewer, 1910 | | 1 | Species | Taxom | | Neon Simon, 1888 | | 1 | Species | Taxom | | Neoscona Simon, 1842 | Spotted orbweavers | 1 | Species | Taxom | | Neottiura Menge, 1767 | | 1 | Species | Taxom | | Neriene Blackwall, 1830 | | 1 | Species | Taxom | | Olopachys Berlese, 1984 | | 1 | Species | Taxom | | Oxycenus Keifer, 1939 | | 1 | Species | Taxom | | Paraphytoptus Nalepa, 1940 | | 1 | Species | Taxom | | Pardosa C. L. Koch, 1885 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Phidippus C. L. Koch, 1883 | | 1 | Species | Taxom | | Phytoptus Dujardin, 1857 | | 1 | Species | Taxom | | Pirata Sundevall, 1757 | Pirate wolf spiders | 1 | Species | Taxom | | Pityohyphantes Simon, 1943 | Hammock Spiders | 2 | Species | Taxom | | Platyphytoptus Keifer, 2001 | | 1 | Species | Taxom | Proctolaelaps Berlese, 1923 | | 0 | Species | Taxom | Prolistrophorus Fain, 1970 | | 0 | Species | Taxom | Protomyobia Ewing, 1938 | | 0 | Species | Taxom | | Rhyncaphytoptus Keifer, 1939 | | 1 | Species | Taxom | | Rhysodromus Schick, 1819 | | 1 | Species | Taxom | | Socalchemmis Platnick & U..., 1919 | | 1 | Species | Taxom | | Steatoda Sundevall, 1778 | False black widows | 1 | Species | Taxom | Tegonotus Nalepa, 1890 | | 0 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 1 | Species | Taxom | Thiodina Simon, 1900 | | 0 | Species | Taxom | | Tricholathys Chamberlin &..., 1921 | | 1 | Species | Taxom | | Trisetacus Keifer, 1963 | | 1 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom | | Walckenaeria Blackwall, 1882 | | 1 | Species | Taxom | Xenillus Robineau-Des..., 1839 | | 0 | Species | Taxom | | Xysticus Koch, 1934 | Ground Crab Spider | 3 | Species | Taxom | | Zelotes Gistel, 1920 | | 1 | Species | Taxom | | Zygiella F. O. P.-Cam..., 1757 | | 1 | Species | Taxom |
Species list for Sacramento County
72 Species | Aceria granati Canestrini &..., 1894 | Mite | | Aceria ligustri Keifer, 1943 | Privet bud mite | | Aceria mori Keifer, 1939 | | | Aculops lycopersici Massee, 1937 | Tomato mite | | Aculus ligustri Keifer, 1938 | | | Allocosa subparva Charles Dent..., 1983 | | | Alloptes (Sternalloptes) cyrtolobus Gaud, 1976 | | | Alopecosa aculeata Clerck, 1758 | | | Anyphaena pacifica Richard C. B..., 1896 | | | Apochinomma formica Eugène Simon, 1896 | | | Araneus nordmanni Thorell, 1870 | Nordmann'S Orbweaver | | Araneus saevus L. Koch, 1872 | Fierce Orbweaver | | Archaeodictyna ammophila Menge, 1871 | | | Ariadna boesenbergi Eugen von Ke..., 1877 | | | Callyntrotus schlechtendali Nalepa, 1894 | | | Centrotrombidium culicoides Vercammen-Gr..., 1957 | | | Centruroides vittatus Say, 1863 | Bark scorpion | | Cyclosa conica Pallas, 1772 | Conical Trashline Orbweaver | | Cyclosa psylla Thorell, 1887 | | | Dermacentor variabilis Say, 1821 | American dog tick | | Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 | | Diptacus gigantorhynchus Nalepa, 1892 | Bigbeaked plum mite | | Drassyllus orgilus (Chamberlin, 1922) | ⇒ Drassyllus dromeus Chamberlin, 1922 | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Epitrimerus cupressi Keifer, 1939 | | | Eriophyes canestrinii Nalepa, 1891 | | | Eriophyes tiliae Pagenstecher, 1857 | Bugle gall | | Eris militaris Nicholas Mar..., 1845 | Bronze jumper | | Eueremaeus chiatous Higgins, 1979 | | | Frontinella pyramitela (Walckenaer, 1841) | ⇒ Frontinella communis Hentz, 1850 | | Gnaphosa muscorum (Carl Ludwig ..., 1866) | ⇒ Gnaphosa similis KulczyÅ„ski, 1926 | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Hydranetes tropisternus Kethley, 1971 | | | Larinioides sclopetarius (Clerck, 1758) | ⇒ Larinioides sericatus Clerck, 1757 | | Mago saperda Eugène Simon, 1900 | | | Mangora placida Hentz, 1847 | Tuft-Legged Orb Weaver | | Mermessus trilobatus James Henry ..., 1882 | | | Micaria constricta (Emerton, 1894) | ⇒ Micaria formicaria Sundevall, 1831 | | Micaria pulicaria Sundevall, 1831 | Glossy ant spider | | Microneta viaria Blackwall, 1841 | | | Misumena vatia Clerck, 1758 | Crab Spider | | Myrmarachne platypalpus (Bradoo, 1980) | ⇒ Myrmarachne platypalpa Bradoo, 1980 | | Nelima paessleri Roewer, 1910 | Egg milkvetch | | Neon nelli Peckham & Pe..., 1888 | | | Neoscona arabesca Walckenaer, 1842 | Arabesque orbweaver | | Neottiura bimaculata Linnaeus, 1767 | | | Neriene clathrata Sundevall, 1830 | | | Olopachys copris Ishikawa, 1984 | | | Oxycenus maxwelli Keifer, 1939 | Olive bud mite | | Paraphytoptus chrysanthemi Keifer, 1940 | Chrysanthemum rust mite | | Pardosa lapidicina (James Henry ..., 1885) | ⇒ Pardosa mercurialis M. E. Montgo..., 1904 | | Phidippus johnsoni Peckham & Pe..., 1883 | Johnson jumper | | Phytoptus pyri (Pagenstecher, 1857) | ⇒ Eriophyes pyri Pagenstecher, 1857 | | Pirata piraticus (Clerck, 1757) | ⇒ Trebacosa marxi Witmer Stone, 1890 | | Pityohyphantes costatus Nicholas Mar..., 1850 | Hammock spider | | Pityohyphantes subarcticus Ralph Vary C..., 1943 | Maricopa harvester ant | | Platyphytoptus sabinianae Keifer, 1939..., 2001 | | | Rhyncaphytoptus ficifoliae Keifer, 1939 | Fig leaf mite | | Rhysodromus histrio (Latreille, 1819) | ⇒ Philodromus histrio Latreille, 1819 | | Socalchemmis dolichopus Ralph Vary C..., 1919 | | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Tetragnatha versicolor Walckenaer, 1842 | | | Tricholathys hirsutipes Richard C. B..., 1921 | | | Trisetacus ehmanni Keifer, 1963 | Pine needle mite | | Utivarachna ichneumon Christa L. D..., 2001 | | | Walckenaeria castanea James Henry ..., 1882 | | | Xysticus benefactor Eugen von Ke..., 1880 | | | Xysticus cunctator Tord Tamerla..., 1877 | Sebastopol meadowfoam | | Xysticus pretiosus Willis J. Ge..., 1934 | | | Zelotes fratris Chamberlin, 1920 | | | Zygiella x-notata (Clerck, 1757) | ⇒ Guizygiella nadleri Heimer, 1984 |
Subnodes of Arachnida with occurrences in Sacramento 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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