Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Piedmont (Alameda County, California, USA)
List of families for Piedmont (Alameda County)
15 Families width 25 Species | Araneidae Simon, 1895 | Golden orb web spiders | 8 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 2 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 4 | Species | Taxom | | Leeuwenhoekiidae Womersley, 1944 | Chigger mites | 0 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 1 | Species | Taxom | | Ixodidae C. L. Koch, 1844 | Hard Tick | 1 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 2 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 1 | Species | Taxom | | Oecobiidae (Blackwall, 1862) | Disc web spider | 1 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 1 | Species | Taxom | | Pimoidae Wunderlich, 1986 | Pimoid spiders | 0 | Species | Taxom | | Gnaphosidae (Pocock, 1898) | Flat-bellied ground spiders | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Zoropsidae Bertkau, 1882 | False Huntsman Spiders | 1 | Species | Taxom |
Genera for Piedmont (Alameda County)
21 Genera with 25 Species #ACDEHILMOPSTZ
| Aculepeira Chamberlin &..., 1869 | | 1 | Species | Taxom | | Aculus Keifer, 1889 | | 1 | Species | Taxom | | Araneus Clerck, 1847 | Angulate & roundshouldered orbweavers | 5 | Species | Taxom | | Cyclosa Menge, 1772 | Three-lobed Spiders | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Eriophyes Siebold, 1857 | | 1 | Species | Taxom | Hannemania Oudemans, 1911 | | 0 | Species | Taxom | | Holocnemus Simon, 1763 | | 1 | Species | Taxom | | Ixodes Latreille, 1943 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | | Menemerus Simon, 1829 | | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Oecobius Lucas, 1870 | Wall spider | 1 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | Pimoa Chamberlin &..., 1943 | | 0 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 1 | Species | Taxom | | Scotophaeus Simon, 1871 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 3 | Species | Taxom | | Tarsonemus Canestrini &..., 1921 | | 1 | Species | Taxom | | Zoropsis Simon, 1820 | | 1 | Species | Taxom |
Species list for Piedmont (Alameda County)
25 Species | Aculepeira carbonaria L. Koch, 1869 | | | Aculus tetanothrix Nalepa, 1889 | Willow Bead Gall Mite | | Araneus angulatus Clerck, 1758 | Colletid bees | | Araneus balanus Doleschall, 1859 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Araneus marmoreus Clerck, 1757 | Marbled Orb Weaver | | Araneus thaddeus (Hentz, 1847) | ⇒ Araneus meropes Keyserling, 1865 | | Cyclosa conica Pallas, 1772 | Conical Trashline Orbweaver | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Eriophyes tiliae Pagenstecher, 1857 | Bugle gall | | Holocnemus pluchei Scopoli, 1763 | Daddy long-legs spider | | Ixodes pacificus Cooley & Kohls, 1943 | California black-legged tick | | Larinioides cornutus Clerck, 1758 | Furrow orb spider | | Menemerus semilimbatus Hahn, 1829 | Jumping spider | | Misumena vatia Clerck, 1758 | Crab Spider | | Oecobius maculatus (Simon, 1870) | ⇒ Oecobius navus Blackwall, 1859 | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Scotophaeus blackwalli (Thorell, 1871) | ⇒ Scotophaeus peninsularis Carl Friedri..., 1928 | | Steatoda bipunctata Linnaeus, 1758 | False widow | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Tarsonemus (Tarsonemus) apis Rennie, 1921 | | | Zoropsis spinimana Dufour, 1820 | Zoropsid spider |
Subnodes of Arachnida with occurrences in Piedmont (Alameda 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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