Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Stephenson County (Northwestern Illinois, Illinois, USA)
List of families for Stephenson County
25 Families width 39 Species and 1 Subspecies #EATCJBGLSHMOP
| Euphthiracaridae Jacot, 1930 | | 1 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 1 | Species | Taxom | | Carabodidae Koch, 1837 | | 1 | Species | Taxom | | Johnstonianidae Thor, 1935 | | 1 | Species | Taxom | | Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 3 | Species | Taxom | | Chthoniidae Daday, 1888 | | 1 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom | | Amblyommidae Banks, 1907 | | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 2 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 4 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 5 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 3 | Species | Taxom | | Hormuridae Laurie, 1896 | | 0 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Hydrovolziidae Thor, 1905 | | 0 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 3 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 1 | Species | Taxom | | Myocoptidae Gunther, 1942 | | 0 | Species | Taxom | | Oonopidae Simon, 1890 | Dwarf Cell Spiders | 0 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 1 | Species | Taxom | | Philodromidae (Thorell, 1870) | False crab spiders | 3 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 3 | Species | Taxom |
Genera for Stephenson County
38 Genera with 39 Species #ABCDEGHLMNOPSTV
| Acrotritia Jacot, 1996 | | 1 | Species | Taxom | | Agelenopsis Giebel, 1933 | American grass spiders | 1 | Species | Taxom | | Bassaniana Strand, 1932 | Bark crab spiders | 1 | Species | Taxom | | Carabodes Koch, 1914 | | 1 | Species | Taxom | | Centrotrombidium Kramer, 1957 | | 1 | Species | Taxom | | Centruroides Marx, 1863 | Bark scorpions | 2 | Species | Taxom | | Chthonius Koch, 1790 | | 1 | Species | Taxom | | Clubiona Latreille, 1896 | Leaf curling sac spiders | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Drassyllus Chamberlin, 1922 | | 1 | Species | Taxom | | Erigone Audouin, 1894 | Black Dwarf Spiders | 2 | Species | Taxom | | Eriophyes Siebold, 1857 | | 1 | Species | Taxom | | Geolycosa Montgomery, 1895 | Burrowing wolf spiders | 1 | Species | Taxom | | Grammonota Emerton, 1959 | | 1 | Species | Taxom | | Habronattus F. O. P.-Cam..., 1846 | Paradise Spiders | 1 | Species | Taxom | Hadogenes Kraepelin, 1894 | South African rock scorpions | 0 | Species | Taxom | | Hydranetes Kethley, 1971 | | 1 | Species | Taxom | Hydrovolzia Thor, 1905 | | 0 | Species | Taxom | | Larinioides Caporiacco, 1758 | Furrow spiders | 1 | Species | Taxom | | Leiobunum C. L. Koch, 1870 | Daddy Long Leg Spiders | 1 | Species | Taxom | | Mago O. P-Cambridge, 1900 | | 1 | Species | Taxom | | Micaria Westring, 1831 | | 1 | Species | Taxom | | Micrathena Sundevall, 1805 | | 1 | Species | Taxom | | Microneta Menge, 1841 | | 1 | Species | Taxom | Myocoptes Claparède, 1868 | | 0 | Species | Taxom | | Neoscona Simon, 1864 | Spotted orbweavers | 1 | Species | Taxom | Orchestina Simon, 1882 | | 0 | Species | Taxom | | Parabuthus Pocock, 1928 | | 1 | Species | Taxom | | Pardosa C. L. Koch, 1885 | Thin-legged Wolf Spider | 2 | Species | Taxom | | Phalangium Linnaeus, 1761 | | 1 | Species | Taxom | | Phidippus C. L. Koch, 1883 | | 1 | Species | Taxom | | Philodromus Walckenaer, 1826 | Running Crab Spider | 2 | Species | Taxom | | Pirata Sundevall, 1904 | Pirate wolf spiders | 1 | Species | Taxom | Schizocosa Chamberlin, 1904 | | 0 | Species | Taxom | | Tarsonemus Canestrini &..., 1921 | | 1 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 3 | Species | Taxom | | Tibellus Simon, 1802 | Slender Crab Spider | 1 | Species | Taxom | | Varacosa Chamberlin &..., 1877 | | 1 | Species | Taxom |
Species list for Stephenson County
39 Species and 1 Subspecies | Acrotritia dixa Niedbala & S..., 1996 | | | Agelenopsis utahana Ralph Vary C..., 1933 | | | Bassaniana utahensis Willis J. Ge..., 1932 | | | Carabodes scymnus Hull, 1914 | | | Centrotrombidium culicoides Vercammen-Gr..., 1957 | | | Centruroides gracilis Latreille, 1804 | Alacran azul {blue scorpion} | | Centruroides vittatus Say, 1863 | Bark scorpion | | Chthonius (Ephippiochthonius) tetrachelatus Preyssler, 1790 | Dimple-clawed Chthonid | | Clubiona moesta Richard C. B..., 1896 | | | Dermacentor variabilis Say, 1821 | American dog tick | | Drassyllus orgilus (Chamberlin, 1922) | ⇒ Drassyllus dromeus Chamberlin, 1922 | | Erigone blaesa Crosby & Bishop, 1928 | | | Erigone dentosa Octavius Pic..., 1894 | Dwarf weaver | | Eriophyes tiliae Pagenstecher, 1857 | Bugle gall | | Geolycosa missouriensis Richard C. B..., 1895 | | | Grammonota angusta Charles Dent..., 1959 | | | Habronattus viridipes (Nicholas Mar..., 1846) | ⇒ Habronattus fallax Peckham & Pe..., 1909 | | Hydranetes tropisternus Kethley, 1971 | | | Larinioides patagiatus Clerck, 1758 | Ornamental Orbweaver | | Leiobunum ventricosum Wood, 1870 | | | Mago saperda Eugène Simon, 1900 | | | Micaria pulicaria Sundevall, 1831 | Glossy ant spider | | Micrathena gracilis Charles Atha..., 1805 | Orb Weavers | | Microneta viaria Blackwall, 1841 | | | Neoscona oaxacensis Keyserling, 1864 | Orb weavers | | Parabuthus villosus brachystylus Lawrence, 1928 | | | Pardosa fuscula Tord Tamerla..., 1875 | | | Pardosa lapidicina (James Henry ..., 1885) | ⇒ Pardosa mercurialis M. E. Montgo..., 1904 | | Phalangium opilio Linnaeus, 1761 | Brown daddy-long-legs | | Phidippus princeps Peckham & Pe..., 1883 | Grayish Jumping Spider | | Philodromus cespitum Walckenaer, 1802 | | | Philodromus rufus (Walckenaer, 1826) | ⇒ Philodromus albidus Wladislaus K..., 1911 | | Pirata sedentarius M. E. Montgo..., 1904 | | | Tarsonemus (Tarsonemus) apis Rennie, 1921 | | | Tetragnatha elongata Walckenaer, 1842 | Elongate stilt spider | | Tetragnatha shoshone Herbert W. Levi, 1981 | | | Tetragnatha versicolor Walckenaer, 1842 | | | Tibellus oblongus (Walckenaer, 1802) | ⇒ Tibellus maritimus Menge, 1875 | | Varacosa avara Eugen von Ke..., 1877 | |
Subnodes of Arachnida with occurrences in Stephenson 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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