Checklist for Subfamily Latrodectinae Petrunkevitch, 1928 and region America (Continents)
Class | Arachnida Lamarck, 1801 Arachnids | 699 6720 45540 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 582 5283 38480 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 130 2424 22900 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 110 2322 22261 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 82 2039 19998 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 79 2034 19981 | Families Genera Species | Taxom | Superfamily | Araneoidea Latreille, 1806
| 12 605 6161 | Families Genera Species | Taxom | | Family | Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 90 1595 | Genera Species | Taxom | | Subfamily | Latrodectinae Petrunkevitch, 1928
| 3 89 | Genera Species | Taxom |
Genera for America 3 Genera with 89 Species
Species list for America 89 Species and 5 Subspecies | Crustulina altera Willis J. Ge..., 1942 | | | Crustulina guttata Wider, 1834 | | | Crustulina sticta (O. P.-Cambridge, 1861) | ⇒ Crustulina guttata Wider, 1834 | | Latrodectus antherata | | | Latrodectus antheratus Badcock, 1932 | | | Latrodectus apicalis Arthur Gardi..., 1877 | Galapagos black widow | | Latrodectus bishopi Kaston, 1938 | Red widow | | Latrodectus carteri Badcock, 1932 | | | Latrodectus cinctus (Blackwall, 1865) | ⇒ Latrodectus hasseltii Thorell, 1870 | | Latrodectus corallinus Abalos, 1980 | Widow Spider | | Latrodectus cretaceus Badcock, 1932 | | | Latrodectus curacaviensis (Müller, 1776) | ⇒ Latrodectus variegatus Hercule Nicolet, 1849 | | Latrodectus diaguita Carcavallo, 1960 | | | Latrodectus distincta Blackwall, 1859 | | | Latrodectus elegans Thorell, 1898 | | | Latrodectus garbae Rueda & Realpe, 2021 | | | Latrodectus geometricus C. L. Koch, 1841 | Brown black widow | | Latrodectus hasselti (Thorell, 1870) | ⇒ Latrodectus hasseltii Thorell, 1870 | | Latrodectus hasseltii Thorell, 1870 | Jockey Spider | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Latrodectus hurtadoi Rueda & Realpe, 2021 | | | Latrodectus indistinctus O. P.-Cambridge, 1904 | | | Latrodectus karrooensis Smithers, 1944 | | | Latrodectus katipo Powell, 1871 | Red Katipo | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Latrodectus mirabilis Holmberg, 1876 | | | Latrodectus occidentalis Valdez-Mondr..., 2023 | | | Latrodectus quartus Abalos, 1980 | | | Latrodectus renivulvatus Dahl, 1902 | | | Latrodectus revivensis Shulov, 1948 | | | Latrodectus thoracicus Nicolet, 1849 | Lance-leaf stonecrop | | Latrodectus tredecimguttatus Rossi, 1790 | European black widow | | Latrodectus variegatus Hercule Nicolet, 1849 | Lance-leaf stonecrop | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Steatoda alamosa Willis J. Ge..., 1960 | | | Steatoda alboclathrata Eugène Simon, 1897 | | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Steatoda albomaculata albomaculata De Geer, 1778 | | | Steatoda alticeps Keyserling, 1886 | | | Steatoda americana (Emerton, 1882) | ⇒ Steatoda mexicana Herbert Walt..., 1957 | | Steatoda anchorata Holmberg, 1876 | | | Steatoda ancorata Holmberg, 1876 | Cobweb spiders | | Steatoda andina Eugen von Ke..., 1884 | | | Steatoda anticus ♰ L. Berland, 1939 | | | Steatoda apacheana Willis J. Ge..., 1960 | | | Steatoda atascadera Ralph Vary C..., 1942 | | | Steatoda autumnalis Richard C. B..., 1898 | | | Steatoda bipunctata Linnaeus, 1758 | False widow | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Steatoda brasiliana Keyserling, 1884 | | | Steatoda capensis Hann, 1990 | Black cobweb | | Steatoda castanea Clerck, 1758 | | | Steatoda chinchipe Herbert Walt..., 1962 | | | Steatoda clara O. Pickard-C..., 1898 | | | Steatoda compressa (F. P.-Cambr., 1902) | ⇒ Theridion transgressum Alexander Pe..., 1911 | | Steatoda diamantina Herbert Walt..., 1962 | | | Steatoda erigoniformis O. P.-Cambridge, 1872 | Cobweb spiders | | Steatoda fulva (Keyserling, 1884) | ⇒ Asagena fulva Eugen von Ke..., 1884 | | Steatoda grandis (Richard C. B..., 1901) | ⇒ Steatoda mexicana Herbert Walt..., 1957 | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda grossa grossa C. L. Koch, 1838 | | | Steatoda hespera Ralph Vary C..., 1933 | Florida carpenter ant | | Steatoda iheringi Eugen von Ke..., 1886 | | | Steatoda laeta O. Pickard-C..., 1902 | | | Steatoda lugubris (Schenkel, 1963) | ⇒ Steatoda triangulosa Walckenaer, 1802 | | Steatoda marta Herbert Walt..., 1962 | | | Steatoda medialis (Banks, 1898) | ⇒ Steatoda washona Willis J. Ge..., 1960 | | Steatoda mexicana Herbert Walt..., 1957 | | | Steatoda moesta Octavius Pic..., 1896 | Cobweb spiders | | Steatoda nahuana Willis J. Ge..., 1960 | | | Steatoda nigrofemorata (Levi, 1957) | ⇒ Steatoda ancorata Holmberg, 1876 | | Steatoda nobilis Tord Tamerla..., 1875 | Cobweb weaver | | Steatoda nubilosa Urquhart, 1893 | | | Steatoda palomara Ralph Vary C..., 1935 | | | Steatoda paykulliana Walckenaer, 1805 | | | Steatoda porteri Eugène Simon, 1900 | | | Steatoda pulchra Keyserling, 1884 | | | Steatoda punctulata (Marx, 1898) | ⇒ Platnickina tincta Walckenaer, 1802 | | Steatoda pusulosa Keyserling, 1878 | | | Steatoda quadrimaculata Octavius Pic..., 1896 | Cobweb spiders | | Steatoda quaesita Octavius Pic..., 1896 | | | Steatoda retorta González, 1987 | | | Steatoda sabulosa Albert Tullgren, 1901 | | | Steatoda saltensis Herbert Walt..., 1957 | | | Steatoda septemmaculata (Levi, 1957) | ⇒ Steatoda erigoniformis O. P.-Cambridge, 1872 | | Steatoda transversa (Richard C. B..., 1898) | ⇒ Theridion transgressum Alexander Pe..., 1911 | | Steatoda trianguloides Gershom Levy, 1991 | | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Steatoda triangulosa triangulosa Walckenaer, 1802 | | | Steatoda variata Willis J. Ge..., 1960 | | | Steatoda variata china Gertsch, 1960 | | | Steatoda variata variata Gertsch, 1960 | | | Steatoda variipes Eugen von Ke..., 1884 | | | Steatoda washona Willis J. Ge..., 1960 | |
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