Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Fairfax County (Virginia, USA)
List of families for Fairfax County
43 Families width 84 Species and 2 Subspecies #SLAMTCGDPIKNUORB
| Salticidae Blackwall, 1842 | Jumping Spider | 8 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 7 | Species | Taxom | | Alloptidae Gaud, 1957 | | 1 | Species | Taxom | | Myobiidae Megnin, 1877 | | 0 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 7 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 7 | Species | Taxom | | Segestriidae Simon, 1893 | Six-eyed Spiders | 1 | Species | Taxom | | Crotoniidae Thorell, 1876 | | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 7 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Chthoniidae Daday, 1888 | | 1 | Species | Taxom | | Cunaxidae Thor, 1902 | Predatory Mites | 0 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 2 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 2 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom | | Travuniidae Absolon & Kr..., 1932 | | 1 | Species | Taxom | | Parasitidae Oudemans, 1901 | Beetle Mites | 2 | Species | Taxom | | Phenopelopidae Petrunkevitch, 1955 | | 0 | Species | Taxom | | Galumnidae Jacot, 1925 | | 3 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 1 | Species | Taxom | | Sclerosomatidae (Simon, 1879) | Sclerosomatid Harvestmen | 4 | Species | Taxom | | Leeuwenhoekiidae Womersley, 1944 | Chigger mites | 0 | Species | Taxom | | Ixodidae (C. L. Koch, 1844) | Hard Tick | 1 | Species | Taxom | | Knemidokoptidae Lavoipierre ..., 1951 | | 1 | Species | Taxom | | Liacaridae Sellnick, 1928 | | 2 | Species | Taxom | | Macrochelidae Vitzthum, 1930 | | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 3 | Species | Taxom | | Actinopodidae Simon, 1892 | Mouse Spiders | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 1 | Species | Taxom | | Nemastomatidae Simon, 1872 | | 1 | Species | Taxom | | Neoliodidae Sellnick, 1928 | | 1 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 1 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 1 | Species | Taxom | | Oppiidae Sellnick, 1937 | | 1 | Species | Taxom | | Oribatulidae (Thor, 1929) | | 2 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 2 | Species | Taxom | | Pholcidae (C. L. Koch, 1851) | Carpenter spider | 1 | Species | Taxom | | Raphignathidae (Kramer, 1877) | | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 1 | Species | Taxom | | Bothriuridae Simon, 1880 | | 1 | Species | Taxom |
Genera for Fairfax County
77 Genera with 84 Species #ACDEGHIKLMNOPRSTUZ
| Admestina Peckham & Pe..., 1846 | | 1 | Species | Taxom | | Allocosa Banks, 1844 | | 1 | Species | Taxom | | Alloptes Canestrini, 1976 | | 1 | Species | Taxom | Amorphacarus Ewing, 1938 | | 0 | Species | Taxom | | Araneus Clerck, 1758 | Angulate & roundshouldered orbweavers | 1 | Species | Taxom | | Arctosa C. L. Koch, 1925 | Bear Spiders | 1 | Species | Taxom | | Argyrodes Simon, 1906 | Dewdrop spiders | 1 | Species | Taxom | | Ariadna Audouin, 1842 | | 1 | Species | Taxom | | Asagena Sundevall, 1882 | | 1 | Species | Taxom | | Camisia von Heyden, 1836 | | 1 | Species | Taxom | | Castianeira Keyserling, 1945 | Ant-Mimic Sac Spiders | 1 | Species | Taxom | | Cheiracanthium C. L. Koch, 1864 | Longlegged sac spiders | 1 | Species | Taxom | | Chthonius Koch, 1929 | | 1 | Species | Taxom | Cunaxoides Smiley, 1975 | | 0 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Dipoena Thorell, 1953 | | 1 | Species | Taxom | | Drassyllus Chamberlin, 1895 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 2 | Species | Taxom | | Elaver O. P.-Cambridge, 1866 | | 1 | Species | Taxom | | Emblyna Chamberlin, 1850 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Episinus Walckenaer, 1809 | | 1 | Species | Taxom | | Erebomaster Cope, 1872 | | 1 | Species | Taxom | Eugamasus Berlese, 1892 | | 0 | Species | Taxom | Eupelops Ewing, 1917 | | 0 | Species | Taxom | | Galumna Heyden, 1906 | | 3 | Species | Taxom | | Gamasus Latreille, 1910 | | 1 | Species | Taxom | | Geolycosa Montgomery, 1842 | Burrowing wolf spiders | 1 | Species | Taxom | | Ghelna Maddison, 1846 | | 1 | Species | Taxom | | Glenognatha Simon, 1894 | | 1 | Species | Taxom | | Hadrobunus Banks, 1821 | | 1 | Species | Taxom | Hannemania Oudemans, 1911 | | 0 | Species | Taxom | | Holoparasitus Oudemans, 1839 | | 1 | Species | Taxom | | Ixodes Latreille, 1869 | | 1 | Species | Taxom | | Knemidokoptes Fürstenberg, 1951 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | | Leiobunum C. L. Koch, 1870 | Daddy Long Leg Spiders | 3 | Species | Taxom | | Liacarus Michael, 1906 | | 2 | Species | Taxom | | Macrocheles Latreille, 1910 | | 1 | Species | Taxom | | Mangora O. P.-Cambridge, 1847 | | 1 | Species | Taxom | | Maso Simon, 1896 | | 1 | Species | Taxom | | Mastophora Holmberg, 1955 | Angling spiders | 3 | Species | Taxom | | Meriola Davie, 1895 | | 1 | Species | Taxom | | Missulena Walckenaer, 1805 | Mouse spider | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Myrmarachne MacLeay, 1846 | Antmimicking spider | 1 | Species | Taxom | | Nemastoma C.L.Koch, 1775 | | 1 | Species | Taxom | | Neoliodes Berlese, 1821 | | 1 | Species | Taxom | | Neoscona Simon, 1842 | Spotted orbweavers | 1 | Species | Taxom | | Octonoba Opell, 1880 | | 1 | Species | Taxom | | Oligonychus Berlese, 1955 | | 1 | Species | Taxom | | Oppia Koch, 1962 | | 1 | Species | Taxom | | Oribata Latreille, 1906 | | 2 | Species | Taxom | | Pardosa C. L. Koch, 1937 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Paroligolophus Lohmander, 1855 | | 1 | Species | Taxom | | Pelecopsidis Bishop & Crosby, 1904 | | 1 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Pholcus Walckenaer, 1775 | | 1 | Species | Taxom | | Phrurolithus C. L. Koch, 1941 | | 2 | Species | Taxom | | Phrurotimpus Chamberlin &..., 1941 | | 2 | Species | Taxom | | Pirata Sundevall, 1757 | Pirate wolf spiders | 1 | Species | Taxom | Platybunus C.L.Koch, 1839 | | 0 | Species | Taxom | | Raphignathus Dugès, 1910 | | 1 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 1 | Species | Taxom | | Sarinda Peckham & Pe..., 1913 | | 1 | Species | Taxom | | Sassacus Peckham & Pe..., 1895 | | 2 | Species | Taxom | | Schizocosa Chamberlin, 1925 | | 1 | Species | Taxom | | Scotinella Banks, 1941 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 2 | Species | Taxom | Stemonyphantes Menge, 1866 | | 0 | Species | Taxom | | Synageles Simon, 1988 | | 1 | Species | Taxom | | Tapinopa Westring, 1893 | | 1 | Species | Taxom | | Tarsonemus Canestrini &..., 1939 | | 1 | Species | Taxom | | Trabeops Roewer, 1885 | | 1 | Species | Taxom | | Trombicula Berlese, 0 | | 1 | Species | Taxom | | Urophonius Pocock, 1876 | | 1 | Species | Taxom | | Zelotes Gistel, 1936 | | 1 | Species | Taxom |
Species list for Fairfax County
84 Species and 2 Subspecies | Admestina tibialis Carl Ludwig ..., 1846 | | | Allocosa funerea (Nicholas Mar..., 1844) | ⇒ Allocosa sublata M. E. Montgo..., 1902 | | Alloptes (Sternalloptes) cyrtolobus Gaud, 1976 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Arctosa virgo Ralph Vary C..., 1925 | Merced Canyon shoulderband | | Argyrodes pluto Richard C. B..., 1906 | | | Ariadna bicolor Nicholas Mar..., 1842 | | | Asagena americana James Henry ..., 1882 | Two-Spotted Cobweb Spider | | Camisia (Camisia) spinifer C.L. Koch, 1836 | | | Castianeira gertschi Kaston, 1945 | Gertsch antmimic | | Cheiracanthium mildei L. Koch, 1864 | North Yellow Sac Spider | | Chthonius (Ephippiochthonius) virginicus Chamberlin, 1929 | | | Dermacentor variabilis Say, 1821 | American dog tick | | Dipoena appalachia Herbert Walt..., 1953 | | | Drassyllus novus Banks, 1895 | | | Dysdera crocata (Koch, 1838) | ⇒ Dysdera maurusia Tord Tamerla..., 1873 | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Elaver excepta Ludwig Carl ..., 1866 | White Sac Spider | | Emblyna sublata Nicholas Mar..., 1850 | | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Episinus truncatus (Latreille, 1809) | ⇒ Episinus angulatus John Blackwall, 1836 | | Erebomaster flavescens Cope, 1872 | | | Galumna partita Banks, 1910 | | | Galumna pterota Banks, 1910 | | | Galumna virginica Banks, 1906 | | | Gamasus predator Banks, 1910 | | | Geolycosa fatifera (Nicholas Mar..., 1842) | ⇒ Geolycosa turricola Treat, 1880 | | Ghelna castanea Nicholas Mar..., 1846 | | | Glenognatha foxi McCook, 1894 | Longjawed orb weavers | | Hadrobunus grandis Say, 1821 | | | Holoparasitus calcaratus C.L.Koch, 1839 | | | Ixodes cookei (Packard, 1869) | ⇒ Ixodes conepati Cooley & Kohls, 1943 | | Knemidokoptes pilae Lavoipierre ..., 1951 | Budgerigar mange mite | | Larinioides sclopetarius (Clerck, 1758) | ⇒ Larinioides sericatus Clerck, 1757 | | Leiobunum blackwalli Meade, 1861 | | | Leiobunum maculosus Wood, 1868 | | | Leiobunum nigropalpi (Wood, 1870) | ⇒ Leiobunum longipes A. Menge, 1854 | | Liacarus (Liacarus) medialis Banks, 1910 | | | Liacarus frontalis Banks, 1906 | | | Macrocheles helvina Banks, 1910 | | | Mangora gibberosa (Hentz, 1847) | ⇒ Mangora fascialata Franganillo, 1936 | | Maso politus Richard C. B..., 1896 | | | Mastophora bisaccata James Henry ..., 1884 | | | Mastophora hutchinsoni Willis J. Ge..., 1955 | | | Mastophora phrynosoma Willis J. Ge..., 1955 | | | Meriola decepta Richard C. B..., 1895 | Corinnid sac spiders | | Missulena occatoria Walckenaer, 1805 | Red-headed Mouse Spider | | Misumena vatia Clerck, 1758 | Crab Spider | | Myrmarachne albocincta Carl Ludwig ..., 1846 | | | Nemastoma bimaculatum Fabricius, 1775 | | | Neoliodes concentricus Say, 1821 | | | Neoscona arabesca Walckenaer, 1842 | Arabesque orbweaver | | Octonoba sinensis Simon, 1880 | | | Oligonychus propetes Pritchard & ..., 1955 | Saber crab | | Oppia spinipes Balogh, 1962 | | | Oribata angustipes Banks, 1905 | | | Oribata longiseta (Banks, 1906) | ⇒ Akrodamaeus longiseta Banks, 1906 ..., 1979 | | Pardosa prativaga scoparia Simon, 1937 | | | Paroligolophus agrestis Meade, 1855 | Clokey's egg milkvetch | | Pelecopsidis frontalis Richard C. B..., 1904 | | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Pholcus phalangioides (Fuesslin, 1775) | ⇒ Smeringopus pallidus Blackwall, 1858 | | Phrurolithus banksi Willis J. Ge..., 1941 | | | Phrurolithus singulus Willis J. Ge..., 1941 | | | Phrurotimpus alarius (Nicholas Mar..., 1847) | ⇒ Phrurotimpus borealis James Henry ..., 1911 | | Phrurotimpus illudens Willis J. Ge..., 1941 | | | Pirata piraticus (Clerck, 1757) | ⇒ Trebacosa marxi Witmer Stone, 1890 | | Raphignathus brevis (Banks, 1910) | ⇒ Eustigmaeus brevis Banks, 1910 | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Sarinda hentzi Richard C. B..., 1913 | | | Sassacus cyaneus Hentz, 1846 | | | Sassacus papenhoei Peckham & Pe..., 1895 | | | Schizocosa duplex (Ralph Vary C..., 1925) | ⇒ Schizocosa humilis Richard C. B..., 1892 | | Scotinella redempta Willis J. Ge..., 1941 | | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Synageles bishopi Cutler, 1988 | | | Tapinopa bilineata Richard C. B..., 1893 | | | Tarsonemus (Tarsonemus) cryptocephalus Ewing, 1939 | | | Trabeops aurantiacus James Henry ..., 1885 | | | Trombicula cinnabaris | | | Urophonius brachycentrus brachycentrus Thorell, 1876 | | | Zelotes pullus Bryant, 1936 | |
Subnodes of Arachnida with occurrences in Fairfax 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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