Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Lexington (Middlesex County, Massachusetts, USA)
List of families for Lexington (Middlesex County Massachusetts) 12 Families width 11 Species | Linyphiidae Blackwall, 1859 | Dwarf spiders | 1 | Species | Taxom | | Theridiidae (Sundevall, 1833) | Cobweb And Widow Spiders | 1 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 1 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 1 | Species | Taxom | | Ixodidae (C. L. Koch, 1844) | Hard Tick | 1 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 0 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 2 | Species | Taxom | | Tengellidae Dahl, 1908 | Tengellid spiders | 1 | Species | Taxom | | Trombidiidae Leach, 1815 | Beer Bahuti | 0 | Species | Taxom |
Genera for Lexington (Middlesex County Massachusetts) 17 Genera with 11 Species Ceraticelus Simon, 1884 | | 0 | Species | Taxom | Crustulina Menge, 1868 | | 0 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Elaver O. P.-Cambridge, 1866 | | 1 | Species | Taxom | | Eris C. L. Koch, 1845 | | 1 | Species | Taxom | Frontinella Cambridge, 1902 | | 0 | Species | Taxom | Hypsosinga Ausserer, 1871 | | 0 | Species | Taxom | | Ixodes Latreille, 1869 | | 1 | Species | Taxom | | Latrodectus Walckenaer, 1837 | Black widow spider | 1 | Species | Taxom | | Mastophora Holmberg, 1955 | Angling spiders | 1 | Species | Taxom | Pardosa C. L. Koch, 1847 | Thin-legged Wolf Spider | 0 | Species | Taxom | | Scotinella Banks, 1890 | | 1 | Species | Taxom | | Socalchemmis Platnick & U..., 1919 | | 1 | Species | Taxom | | Stemonyphantes Menge, 1951 | | 1 | Species | Taxom | | Trachelas L. Koch, 1847 | Running Spider | 1 | Species | Taxom | Trombidium Fabricius, 1775 | Velvet mite | 0 | Species | Taxom |
Species list for Lexington (Middlesex County Massachusetts) 11 Species | Dermacentor variabilis Say, 1821 | American dog tick | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Elaver excepta Ludwig Carl ..., 1866 | White Sac Spider | | Eris militaris Nicholas Mar..., 1845 | Bronze jumper | | Ixodes cookei (Packard, 1869) | ⇒ Ixodes conepati Cooley & Kohls, 1943 | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Mastophora hutchinsoni Willis J. Ge..., 1955 | | | Scotinella pugnata James Henry ..., 1890 | | | Socalchemmis dolichopus Ralph Vary C..., 1919 | | | Stemonyphantes blauveltae Willis J. Ge..., 1951 | | | Trachelas tranquillus Nicholas Mar..., 1847 | Broad faced sac spider |
Subnodes of Arachnida with occurrences in Lexington (Middlesex County Massachusetts)
 | | 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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