Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Weld County (Colorado, USA)
List of families for Weld County
40 Families width 194 Species and 1 Subspecies #AECDTLMPGSHOZ
| Araneidae Simon, 1895 | Golden orb web spiders | 22 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Agelenidae (C. L. Koch, 1837) | Agelenid Spiders | 9 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 1 | Species | Taxom | | Anystidae Oudemans, 1936 | Whirligig Mites | 0 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 11 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 7 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 16 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 15 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 12 | Species | Taxom | | Carabodidae Koch, 1837 | | 1 | Species | Taxom | | Argasidae C. L. Koch, 1844 | Soft tick | 1 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 3 | Species | Taxom | | Amblyommidae Banks, 1907 | | 2 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 3 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 19 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 2 | Species | Taxom | | Eremobatidae Kraepelin, 1899 | | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 24 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 16 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 7 | Species | Taxom | | Histiostomatidae Berlese, 1897 | | 1 | Species | Taxom | | Tarsocheylidae Berlese, 1904 | | 0 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 2 | Species | Taxom | | Linotetranidae Baker & Prit..., 1953 | | 0 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom | | Diplogyniidae Trägårdh, 1941 | | 0 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 2 | Species | Taxom | | Leptolaelapidae Karg, 1978 | | 1 | Species | Taxom | | Paratydeidae Baker, 1949 | | 0 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 1 | Species | Taxom | | Philodromidae (Thorell, 1870) | False crab spiders | 7 | Species | Taxom | | Garypinidae Daday, 1888 | | 1 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 1 | Species | Taxom | | Tydeidae Kramer, 1877 | Tydeid mites | 0 | Species | Taxom | | Tengellidae Dahl, 1908 | Tengellid spiders | 1 | Species | Taxom | | Stigmocheylidae Kethley, 1990 | | 0 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Zodariidae Thorell, 1881 | Ant spiders | 1 | Species | Taxom |
Genera for Weld County
119 Genera with 194 Species #ABCDEFGHLMNOPSTUVWXZ
| Acanthepeira Marx, 1805 | | 1 | Species | Taxom | | Aculus Keifer, 1892 | | 1 | Species | Taxom | | Agelenopsis Giebel, 1935 | American grass spiders | 7 | Species | Taxom | | Amaurobius Koch, 1830 | | 1 | Species | Taxom | Anystis von Heyden, 1826 | Anystis Whirligig Mites | 0 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1847 | Angulate & roundshouldered orbweavers | 5 | Species | Taxom | | Archaeodictyna Caporiacco, 1871 | | 1 | Species | Taxom | | Argiope Audouin, 1775 | Garden orbweavers | 1 | Species | Taxom | | Asagena Sundevall, 1882 | | 1 | Species | Taxom | | Bassaniana Strand, 1932 | Bark crab spiders | 1 | Species | Taxom | | Bathyphantes Menge, 1892 | | 2 | Species | Taxom | | Carabodes Koch, 1914 | | 1 | Species | Taxom | | Carios Latreille, 1941 | | 1 | Species | Taxom | | Castianeira Keyserling, 1942 | Ant-Mimic Sac Spiders | 5 | Species | Taxom | | Ceraticelus Simon, 1892 | | 1 | Species | Taxom | | Cheiracanthium C. L. Koch, 1864 | Longlegged sac spiders | 1 | Species | Taxom | Cicurina Menge, 1871 | | 0 | Species | Taxom | | Clubiona Latreille, 1867 | Leaf curling sac spiders | 3 | Species | Taxom | | Cyclosa Menge, 1842 | Three-lobed Spiders | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 2 | Species | Taxom | | Dictyna Sundevall, 1911 | | 6 | Species | Taxom | | Diplostyla Emerton, 1834 | | 1 | Species | Taxom | | Dipoena Thorell, 1882 | | 1 | Species | Taxom | | Dolomedes Latreille, 1837 | Dock spiders | 2 | Species | Taxom | | Drassodes Westring, 1890 | | 1 | Species | Taxom | | Drassyllus Chamberlin, 1976 | | 2 | Species | Taxom | | Dysdera Latreille, 2001 | | 2 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Eratigena Bolzern, Bur..., 1802 | | 1 | Species | Taxom | | Eremobates Banks, 1823 | | 1 | Species | Taxom | | Eridantes Crosby & Bishop, 1882 | | 1 | Species | Taxom | | Erigone Audouin, 1928 | Black Dwarf Spiders | 1 | Species | Taxom | | Eris C. L. Koch, 1845 | | 1 | Species | Taxom | | Euryopis Menge, 1850 | | 1 | Species | Taxom | | Eustala Simon, 1935 | | 2 | Species | Taxom | | Evarcha Simon, 1883 | | 1 | Species | Taxom | | Frontinella Cambridge, 1841 | | 1 | Species | Taxom | | Geolycosa Montgomery, 1912 | Burrowing wolf spiders | 2 | Species | Taxom | | Glenognatha Simon, 1894 | | 1 | Species | Taxom | | Gnaphosa Latreille, 1866 | | 4 | Species | Taxom | | Grammonota Emerton, 1898 | | 1 | Species | Taxom | | Habronattus F. O. P.-Cam..., 1888 | Paradise Spiders | 1 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Hentzia Marx, 1832 | | 1 | Species | Taxom | | Herpyllus Hentz, 1887 | | 2 | Species | Taxom | | Histiostoma Kramer, 2001 | | 1 | Species | Taxom | | Hogna Simon, 1894 | | 1 | Species | Taxom | Hoplocheylus Atyeo and Baker, 1964 | | 0 | Species | Taxom | | Hypsosinga Ausserer, 1831 | | 1 | Species | Taxom | | Larinia Simon, 1883 | | 1 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 3 | Species | Taxom | | Latrodectus Walckenaer, 1841 | Black widow spider | 1 | Species | Taxom | | Leiobunum C. L. Koch, 1821 | Daddy Long Leg Spiders | 1 | Species | Taxom | | Leucauge White, 1841 | Orchard Spider And Allies | 1 | Species | Taxom | Linotetranus Berlese, 1910 | | 0 | Species | Taxom | | Mago O. P-Cambridge, 1900 | | 1 | Species | Taxom | | Mangora O. P.-Cambridge, 1847 | | 2 | Species | Taxom | | Marpissa C. L. Koch, 1888 | | 2 | Species | Taxom | | Mecaphesa Simon, 1933 | | 3 | Species | Taxom | | Meriola Davie, 1895 | | 1 | Species | Taxom | | Mermessus O. P.-Cambridge, 1882 | | 1 | Species | Taxom | | Metepeira F. O. P.-Cam..., 1847 | | 2 | Species | Taxom | | Micaria Westring, 1988 | | 4 | Species | Taxom | | Microlinyphia Gerhardt, 1882 | Platform spiders | 1 | Species | Taxom | | Misumena Latreille, 1758 | Flower crab spiders | 1 | Species | Taxom | | Misumessus Banks, 1880 | | 1 | Species | Taxom | | Myrmarachne MacLeay, 1980 | Antmimicking spider | 1 | Species | Taxom | | Neoantistea Gertsch, 1934 | | 1 | Species | Taxom | Neolobogynium Hicks, 1957 | | 0 | Species | Taxom | | Neoscona Simon, 1838 | Spotted orbweavers | 2 | Species | Taxom | | Neottiura Menge, 1767 | | 1 | Species | Taxom | | Nephila Leach, 1767 | Banana spiders | 1 | Species | Taxom | | Oxyopes Latreille, 1845 | Lynx Spiders | 2 | Species | Taxom | | Paradoxiphis Berlese, 1956 | | 1 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 1 | Species | Taxom | Paratydeus Baker, 1949 | | 0 | Species | Taxom | | Pardosa C. L. Koch, 1892 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Pelegrina Franganillo, 1837 | White-Cheeked Jumping Spiders | 2 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Phidippus C. L. Koch, 1905 | | 9 | Species | Taxom | | Philodromus Walckenaer, 1826 | Running Crab Spider | 3 | Species | Taxom | | Phrurotimpus Chamberlin &..., 1911 | | 2 | Species | Taxom | | Pirata Sundevall, 1904 | Pirate wolf spiders | 1 | Species | Taxom | | Piratula Roewer, 1885 | | 1 | Species | Taxom | | Pisaurina Simon, 1837 | | 1 | Species | Taxom | | Pseudogarypinus Beier, 1961 | | 1 | Species | Taxom | | Psilochorus Simon, 1940 | | 1 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 2 | Species | Taxom | | Sassacus Peckham & Pe..., 1895 | | 1 | Species | Taxom | | Schizocosa Chamberlin, 1844 | | 5 | Species | Taxom | Scolotydeus Berlese, 1910 | | 0 | Species | Taxom | Scotinotylus Simon, 1884 | | 0 | Species | Taxom | | Sergiolus Simon, 1890 | | 1 | Species | Taxom | | Socalchemmis Platnick & U..., 1919 | | 1 | Species | Taxom | | Steatoda Sundevall, 1960 | False black widows | 5 | Species | Taxom | Stigmocheylus Berlese, 1910 | | 0 | Species | Taxom | | Tarsonemus Canestrini &..., 1939 | | 1 | Species | Taxom | | Tegenaria Latreille, 1758 | House spiders | 1 | Species | Taxom | | Tennesseellum Petrunkevitch, 1882 | | 1 | Species | Taxom | | Tenuiphantes Saaristo & T..., 1852 | | 1 | Species | Taxom | | Tetragnatha Latreille, 1878 | Four-jawed spider | 4 | Species | Taxom | | Thanatus C. L. Koch, 1933 | | 1 | Species | Taxom | | Theridion Walckenaer, 1882 | Tangle-Web Spiders | 2 | Species | Taxom | | Tibellus Simon, 1802 | Slender Crab Spider | 3 | Species | Taxom | | Tidarren Chamberlin &..., 1880 | | 1 | Species | Taxom | | Tigrosa Brady, 1837 | | 2 | Species | Taxom | | Tmarus Simon, 1837 | | 1 | Species | Taxom | | Togwoteeus Roewer, 1877 | Togwot´s harvestmen | 1 | Species | Taxom | | Trachelas L. Koch, 1847 | Running Spider | 1 | Species | Taxom | | Trochosa C. L. Koch, 1856 | | 2 | Species | Taxom | | Tutelina Simon, 1895 | | 2 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom | | Varacosa Chamberlin &..., 1877 | | 1 | Species | Taxom | | Verrucosa McCook, 1842 | | 1 | Species | Taxom | | Wamba O. P.-Cambridge, 1895 | | 1 | Species | Taxom | | Xysticus Koch, 1894 | Ground Crab Spider | 8 | Species | Taxom | | Zelotes Gistel, 1922 | | 4 | Species | Taxom | | Zodarion Walckenaer, 1914 | | 1 | Species | Taxom |
Species list for Weld County
194 Species and 1 Subspecies | Acanthepeira stellata Walckenaer, 1805 | Star-bellied orb-weaver | | Aculus acraspis Nalepa, 1892 | | | Agelenopsis emertoni Ralph Vary C..., 1935 | | | Agelenopsis longistyla Richard C. B..., 1901 | | | Agelenopsis naevia Charles Atha..., 1842 | | | Agelenopsis oklahoma Gertsch, 1936 | | | Agelenopsis pennsylvanica Carl Ludwig ..., 1843 | | | Agelenopsis potteri John Blackwall, 1846 | Potter'S Grass Spider | | Agelenopsis spatula Ralph Vary C..., 1935 | | | Amaurobius ferox Walckenaer, 1830 | Black lace-weaver | | Apochinomma formica Eugène Simon, 1896 | | | Araneus diadematus Clerck, 1758 | Cross orbweaver | | Araneus gemmoides Chamberlin &..., 1935 | Cat-faced Spider | | Araneus marmoreus Clerck, 1757 | Marbled Orb Weaver | | Araneus thaddeus (Hentz, 1847) | ⇒ Araneus meropes Keyserling, 1865 | | Araneus trifolium Hentz, 1847 | Shamrock orbweaver | | Archaeodictyna ammophila Menge, 1871 | | | Argiope trifasciata Forsskål, 1775 | Banded Argiope | | Asagena americana James Henry ..., 1882 | Two-Spotted Cobweb Spider | | Bassaniana utahensis Willis J. Ge..., 1932 | | | Bathyphantes gracilis Blackwall, 1841 | | | Bathyphantes pallidus (Banks, 1892) | ⇒ Agyneta angulata Emerton, 1882 | | Carabodes scymnus Hull, 1914 | | | Carios concanensis Cooley & Kohls, 1941 | | | Castianeira alteranda Willis J. Ge..., 1942 | Club mosses | | Castianeira descripta Nicholas Mar..., 1847 | Red Spotted Ant Mimic Spider | | Castianeira longipalpa Nicholas Mar..., 1847 | | | Castianeira micaria Eugène Simon, 1886 | | | Castianeira variata Willis J. Ge..., 1942 | Club mosses | | Ceraticelus similis Richard C. B..., 1892 | | | Cheiracanthium mildei L. Koch, 1864 | North Yellow Sac Spider | | Clubiona abboti Ludwig Carl ..., 1866 | Redflower buckwheat | | Clubiona drassodes Octavius Pic..., 1874 | | | Clubiona maritima Ludwig Carl ..., 1867 | | | Cyclosa turbinata Charles Atha..., 1842 | Orb weavers | | Dermacentor andersoni Stiles, 1908 | Paralysis tick | | Dermacentor variabilis Say, 1821 | American dog tick | | Dictyna bellans Ralph Vary C..., 1919 | Swell shark | | Dictyna calcarata Richard C. B..., 1904 | Mesh weaver | | Dictyna coloradensis Ralph Vary C..., 1919 | | | Dictyna foliacea Nicholas Mar..., 1850 | | | Dictyna personata Willis J. Ge..., 1936 | | | Dictyna terrestris James Henry ..., 1911 | Largeleaf sphagnum | | Diplostyla concolor Wider, 1834 | | | Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 | | Dolomedes scriptus Hentz, 1845 | Striped Fishing Spider | | Dolomedes triton Charles Atha..., 1837 | Six Spotted Fishing Spider | | Drassodes saccatus Emerton, 1890 | | | Drassyllus depressus Emerton, 1890 | | | Drassyllus mumai Gertsch & Ri..., 1976 | | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Dysdera pristiphora Carlo Pesarini, 2001 | | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Eratigena agrestis Walckenaer, 1802 | Hobo spider | | Eremobates pallipes Say, 1823 | | | Eridantes erigonoides James Henry ..., 1882 | | | Erigone aletris Crosby & Bishop, 1928 | | | Eris militaris Nicholas Mar..., 1845 | Bronze jumper | | Euryopis funebris Hentz, 1850 | | | Eustala anastera (Walckenaer, 1842) | ⇒ Eustala conchlea Henry Christ..., 1888 | | Eustala rosae Ralph Vary C..., 1935 | | | Evarcha hoyi (Peckham & Pe..., 1883) | ⇒ Evarcha proszynskii Marusik & Lo..., 1998 | | Frontinella pyramitela (Walckenaer, 1841) | ⇒ Frontinella communis Hentz, 1850 | | Geolycosa missouriensis Richard C. B..., 1895 | | | Geolycosa wrighti James Henry ..., 1912 | | | Glenognatha foxi McCook, 1894 | Longjawed orb weavers | | Gnaphosa antipola Ralph Vary C..., 1933 | | | Gnaphosa brumalis Tord Tamerla..., 1875 | | | Gnaphosa fontinalis Alexander Ke..., 1887 | Littleleaf minerslettuce | | Gnaphosa sericata Carl Ludwig ..., 1866 | Ground spiders | | Grammonota gentilis Richard C. B..., 1898 | | | Habronattus hirsutus Peckham & Pe..., 1888 | | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Hentzia palmarum Nicholas Mar..., 1832 | Common Hentz Jumping Spider | | Herpyllus ecclesiasticus Hentz, 1832 | Eastern parson spider | | Herpyllus propinquus Keyserling, 1887 | Western Parson Spider | | Histiostoma (Histiostoma) heriades Fain & Pauly, 2001 | | | Hogna coloradensis Richard C. B..., 1894 | | | Hypsosinga pygmaea Sundevall, 1831 | | | Larinia famulatoria Keyserling, 1883 | | | Larinioides cornutus Clerck, 1758 | Furrow orb spider | | Larinioides patagiatus Clerck, 1758 | Ornamental Orbweaver | | Larinioides sclopetarius (Clerck, 1758) | ⇒ Larinioides sericatus Clerck, 1757 | | Latrodectus geometricus C. L. Koch, 1841 | Brown black widow | | Leiobunum vittatum Say, 1821 | Eastern Harvestman | | Leucauge venusta Walckenaer, 1841 | Longjawed Orb Weavers | | Mago saperda Eugène Simon, 1900 | | | Mangora gibberosa (Hentz, 1847) | ⇒ Mangora fascialata Franganillo, 1936 | | Mangora placida Hentz, 1847 | Tuft-Legged Orb Weaver | | Marpissa lineata Carl Ludwig ..., 1846 | | | Marpissa pikei Peckham & Pe..., 1888 | Pike slender jumper | | Mecaphesa asperata Nicholas Mar..., 1847 | Crab Spiders | | Mecaphesa celer Hentz, 1847 | Celer crab spider | | Mecaphesa coloradensis Willis J. Ge..., 1933 | | | Meriola decepta Richard C. B..., 1895 | Corinnid sac spiders | | Mermessus trilobatus James Henry ..., 1882 | | | Metepeira grandiosa Ralph Vary C..., 1941 | | | Metepeira labyrinthea (Nicholas Mar..., 1847) | ⇒ Metepeira triangularis Pelegrin Fra..., 1930 | | Micaria gertschi Barrows & Ivie, 1942 | | | Micaria imperiosa Willis John ..., 1935 | Clubmosses | | Micaria mormon Willis John ..., 1935 | Clubmosses | | Micaria porta Norman I. Pl..., 1988 | | | Microlinyphia mandibulata James Henry ..., 1882 | | | Misumena vatia Clerck, 1758 | Crab Spider | | Misumessus oblongus Eugen von Ke..., 1880 | American Green Crab Spider | | Myrmarachne platypalpus (Bradoo, 1980) | ⇒ Myrmarachne platypalpa Bradoo, 1980 | | Neoantistea gosiuta Willis J. Ge..., 1934 | | | Neoscona arabesca Walckenaer, 1842 | Arabesque orbweaver | | Neoscona crucifera Lucas, 1838 | Barn spider | | Neottiura bimaculata Linnaeus, 1767 | | | Nephila clavipes (Linnaeus, 1767) | ⇒ Alpaida sulphurea Taczanowski, 1873 | | Oxyopes salticus Hentz, 1845 | Lynx spider | | Oxyopes scalaris Nicholas Mar..., 1845 | Western lynx spider | | Paradoxiphis bolboceras Womersley, 1956 | | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Pardosa moesta Banks, 1892 | | | Pelegrina galathea Charles Atha..., 1837 | Jumping Spiders | | Pelegrina proterva Charles Atha..., 1837 | Common White-Cheeked Jumping Spider | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Phidippus apacheanus (Ralph Vary C..., 1929) | ⇒ Phidippus nikites Ralph Vary C..., 1935 | | Phidippus ardens Peckham, Pec..., 1901 | | | Phidippus audax (Nicholas Mar..., 1845) | ⇒ Salticus variegatus Hentz, 1845 | | Phidippus borealis Richard C. B..., 1895 | Boreal Tufted Jumping Spider | | Phidippus carneus Peckham, Pec..., 1896 | | | Phidippus clarus Keyserling, 1885 | Brilliant Jumping Spider | | Phidippus comatus (Peckham, Pec..., 1901) | ⇒ Phidippus insignarius Carl Ludwig ..., 1846 | | Phidippus insignarius Carl Ludwig ..., 1846 | Carpenter Bees | | Phidippus pius Scheffer, 1905 | Jumping spiders | | Philodromus cespitum Walckenaer, 1802 | | | Philodromus keyserlingi Marx, 1890 | | | Philodromus rufus (Walckenaer, 1826) | ⇒ Philodromus albidus Wladislaus K..., 1911 | | Phrurotimpus alarius (Nicholas Mar..., 1847) | ⇒ Phrurotimpus borealis James Henry ..., 1911 | | Phrurotimpus borealis James Henry ..., 1911 | Greater Ant-Mimic Corinne Spider | | Pirata sedentarius M. E. Montgo..., 1904 | | | Piratula insularis James Henry ..., 1885 | Lonely Wolf Spider | | Pisaurina mira Charles Atha..., 1837 | American Nursery Web Spider | | Pseudogarypinus giganteus Hoff, 1961 | Planertree | | Psilochorus imitatus Gertsch & Mu..., 1940 | | | Salticus peckhamae Cockerell, 1897 | | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Sassacus papenhoei Peckham & Pe..., 1895 | | | Schizocosa avida Charles Atha..., 1837 | | | Schizocosa mccooki M. E. Montgo..., 1904 | Spoon worms | | Schizocosa mimula Willis J. Ge..., 1934 | | | Schizocosa ocreata (Nicholas Mar..., 1844) | ⇒ Schizocosa rovneri Uetz & Charl..., 1979 | | Schizocosa saltatrix Nicholas Mar..., 1844 | | | Sergiolus montanus Emerton, 1890 | | | Socalchemmis dolichopus Ralph Vary C..., 1919 | | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Steatoda variata Willis J. Ge..., 1960 | | | Tarsonemus (Tarsonemus) cryptocephalus Ewing, 1939 | | | Tegenaria domestica (Clerck, 1758) | ⇒ Tegenaria parietina Fourcroy, 1785 | | Tennesseellum formica James Henry ..., 1882 | | | Tenuiphantes tenuis Blackwall, 1852 | Dwarf weaver | | Tetragnatha elongata Walckenaer, 1842 | Elongate stilt spider | | Tetragnatha laboriosa Hentz, 1850 | Longjawed orb weavers | | Tetragnatha shoshone Herbert W. Levi, 1981 | | | Tetragnatha trichodes trichodes Thorell, 1878 | | | Thanatus altimontis Gertsch, 1933 | Eligulate lycopods | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 | | Theridion murarium James Henry ..., 1882 | | | Tibellus chamberlini Willis J. Ge..., 1933 | Eligulate lycopods | | Tibellus maritimus Menge, 1875 | Goblin shark | | Tibellus oblongus (Walckenaer, 1802) | ⇒ Tibellus maritimus Menge, 1875 | | Tidarren haemorrhoidale Philip Bertkau, 1880 | Cobweb spiders | | Tigrosa grandis Banks, 1894 | | | Tigrosa helluo Walckenaer, 1837 | Wetland Giant Wolf Spider | | Tmarus angulatus Charles Atha..., 1837 | Tuberculated Crab Spider | | Togwoteeus biceps Thorell, 1877 | | | Trachelas tranquillus Nicholas Mar..., 1847 | Broad faced sac spider | | Trochosa ruricola (De Geer, 1778) | ⇒ Trochosa hispanica Eugène Simon, 1870 | | Trochosa terricola Thorell, 1856 | | | Tutelina elegans Nicholas Mar..., 1846 | Thin-Spined Jumping Spider | | Tutelina similis Richard C. B..., 1895 | Thick-Spined Jumping Spider | | Utivarachna ichneumon Christa L. D..., 2001 | | | Varacosa avara Eugen von Ke..., 1877 | | | Verrucosa arenata Charles Atha..., 1842 | Arrowhead Orb Weaver | | Wamba crispulus Eugène Simon, 1895 | | | Xysticus auctificus Eugen von Ke..., 1880 | Larkspur leafminer | | Xysticus benefactor Eugen von Ke..., 1880 | | | Xysticus cunctator Tord Tamerla..., 1877 | Sebastopol meadowfoam | | Xysticus ferox Nicholas Mar..., 1847 | Tan Crab Spider | | Xysticus fraternus Richard C. B..., 1895 | | | Xysticus funestus Eugen von Ke..., 1880 | | | Xysticus nigromaculatus Eugen von Ke..., 1884 | Guinea ant | | Xysticus pellax O. P.-Cambridge, 1894 | Honey bee | | Zelotes fratris Chamberlin, 1920 | | | Zelotes hentzi Barrows, 1945 | | | Zelotes lasalanus Chamberlin, 1928 | | | Zelotes puritanus Chamberlin, 1922 | | | Zodarion rubidum Eugène Simon, 1914 | |
Subnodes of Arachnida with occurrences in Weld 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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