Sponsors
| Species | Author | Last updated | Links | |
|---|---|---|---|---|
| 1 | Theridion abruptum | Simon, 1884 | 2025-03-16 | Detail |
| 2 | Theridion acanthopodum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 3 | Theridion accoense | Levy, 1985 | 2025-08-30 | Detail |
| 4 | Theridion acutitarse | Simon, 1900 | 2025-03-16 | Detail |
| 5 | Theridion adjacens | (O. Pickard-Cambridge, 1896) | 2025-04-14 | Detail |
| 6 | Theridion adrianopoli | Drensky, 1915 | 2023-11-23 | Detail |
| 7 | Theridion aeolium | Levi, 1963 | - | Detail |
| 8 | Theridion agrarium | Levi, 1963 | - | Detail |
| 9 | Theridion agreste | Nicolet, 1849 | - | Detail |
| 10 | Theridion agrifoliae | Levi, 1957 | 2025-03-13 | Detail |
| 11 | Theridion akme | Levi, 1959 | - | Detail |
| 12 | Theridion akron | Levi, 1959 | - | Detail |
| 13 | Theridion albidorsum | Strand, 1909 | 2025-01-05 | Detail |
| 14 | Theridion albidum | Banks, 1895 | 2025-03-13 | Detail |
| 15 | Theridion albioculum | Zhu, 1998 | 2024-05-17 | Detail |
| 16 | Theridion albipes | L. Koch, 1878 | 2025-11-06 | Detail |
| 17 | Theridion albocinctum | Urquhart, 1892 | - | Detail |
| 18 | Theridion albodecoratum | Rainbow, 1916 | - | Detail |
| 19 | Theridion albolineatum | Nicolet, 1849 | - | Detail |
| 20 | Theridion albolineolatum | Caporiacco, 1940 | - | Detail |
| 21 | Theridion albomaculosum | O. Pickard-Cambridge, 1869 | 2025-01-05 | Detail |
| 22 | Theridion albopictum | Thorell, 1898 | - | Detail |
| 23 | Theridion albostriatum | (L. Koch, 1867) | - | Detail |
| 24 | Theridion albulum | O. Pickard-Cambridge, 1898 | - | Detail |
| 25 | Theridion amarga | Levi, 1967 | - | Detail |
| 26 | Theridion amatitlan | Levi, 1963 | - | Detail |
| 27 | Theridion ambiguum | Nicolet, 1849 | - | Detail |
| 28 | Theridion ampascachi | Mello-Leitão, 1941 | - | Detail |
| 29 | Theridion ampliatum | Urquhart, 1892 | - | Detail |
| 30 | Theridion angusticeps | Caporiacco, 1949 | - | Detail |
| 31 | Theridion angustifrons | Caporiacco, 1934 | 2025-01-05 | Detail |
| 32 | Theridion anson | Levi, 1967 | - | Detail |
| 33 | Theridion antillanum | Simon, 1894 | - | Detail |
| 34 | Theridion apiculatum | Roewer, 1942 | 2025-11-06 | Detail |
| 35 | Theridion aporum | Levi, 1963 | - | Detail |
| 36 | Theridion apostoli | Mello-Leitão, 1945 | - | Detail |
| 37 | Theridion apulco | Levi, 1959 | - | Detail |
| 38 | Theridion aragua | Levi, 1963 | - | Detail |
| 39 | Theridion archeri | Levi, 1959 | - | Detail |
| 40 | Theridion argentatulum | Roewer, 1942 | 2025-11-06 | Detail |
| 41 | Theridion ariel | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 42 | Theridion arizonense | Levi, 1957 | - | Detail |
| 43 | Theridion arsia | Zamani & Marusik, 2021 | 2025-09-24 | Detail |
| 44 | Theridion artum | Levi, 1959 | - | Detail |
| 45 | Theridion aruanum | Strand, 1911 | - | Detail |
| 46 | Theridion arushae | Caporiacco, 1947 | - | Detail |
| 47 | Theridion asbolodes | Rainbow, 1917 | - | Detail |
| 48 | Theridion asopi | Vanuytven, 2014 | 2025-10-29 | Detail |
| 49 | Theridion astrigerum | Thorell, 1895 | 2025-01-05 | Detail |
| 50 | Theridion atratum | Thorell, 1877 | - | Detail |
| 51 | Theridion attritum | (Simon, 1908) | - | Detail |
| 52 | Theridion auberti | Simon, 1904 | - | Detail |
| 53 | Theridion aulos | Levi, 1963 | - | Detail |
| 54 | Theridion australe | Banks, 1899 | - | Detail |
| 55 | Theridion baccula | Thorell, 1887 | - | Detail |
| 56 | Theridion baltasarense | Levi, 1963 | 2025-11-06 | Detail |
| 57 | Theridion banksi | Berland, 1920 | 2025-11-06 | Detail |
| 58 | Theridion barbarae | Levi, 1959 | - | Detail |
| 59 | Theridion beebei | Levi, 1963 | - | Detail |
| 60 | Theridion bellatulum | Levi, 1963 | - | Detail |
| 61 | Theridion bengalense | Sen, Saha & Raychaudhuri, 2011 | 2025-04-25 | Detail |
| 62 | Theridion bergi | Levi, 1963 | - | Detail |
| 63 | Theridion berlandi | Roewer, 1942 | 2025-11-06 | Detail |
| 64 | Theridion bernardi | Lecigne, 2017 | 2018-01-01 | Detail |
| 65 | Theridion betteni | Wiehle, 1960 | 2024-01-02 | Detail |
| 66 | Theridion bicruciatum | Roewer, 1961 | 2024-12-19 | Detail |
| 67 | Theridion bidepressum | Yin, Peng & Zhang, 2005 | - | Detail |
| 68 | Theridion biezankoi | Levi, 1963 | - | Detail |
| 69 | Theridion biforaminum | Gao & Zhu, 1993 | - | Detail |
| 70 | Theridion biolleyi | Banks, 1909 | - | Detail |
| 71 | Theridion biseriatum | Thorell, 1890 | - | Detail |
| 72 | Theridion bisignatum | (Mello-Leitão, 1945) | - | Detail |
| 73 | Theridion bitakum | Barrion & Litsinger, 1995 | - | Detail |
| 74 | Theridion blaisei | Simon, 1909 | - | Detail |
| 75 | Theridion boesenbergi | Strand, 1904 | 2025-11-10 | Detail |
| 76 | Theridion bolivari | Levi, 1959 | - | Detail |
| 77 | Theridion bolum | Levi, 1963 | - | Detail |
| 78 | Theridion bomae | Schmidt, 1957 | 2024-12-03 | Detail |
| 79 | Theridion bosniense | Wunderlich, 2011 | 2019-02-21 | Detail |
| 80 | Theridion botanicum | Levi, 1963 | - | Detail |
| 81 | Theridion brachypus | Thorell, 1887 | - | Detail |
| 82 | Theridion bradyanum | Strand, 1907 | - | Detail |
| 83 | Theridion brunellii | Caporiacco, 1940 | - | Detail |
| 84 | Theridion brunneonigrum | Caporiacco, 1949 | - | Detail |
| 85 | Theridion bryantae | Roewer, 1951 | - | Detail |
| 86 | Theridion bullatum | Tullgren, 1910 | - | Detail |
| 87 | Theridion buxtoni | Berland, 1929 | 2017-08-11 | Detail |
| 88 | Theridion cairoense | Wunderlich, 2011 | - | Detail |
| 89 | Theridion calcynatum | Holmberg, 1876 | 2024-12-22 | Detail |
| 90 | Theridion caliban | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 91 | Theridion californicum | Banks, 1904 | 2025-03-13 | Detail |
| 92 | Theridion caliginosum | Marples, 1955 | - | Detail |
| 93 | Theridion cameronense | Levi, 1957 | - | Detail |
| 94 | Theridion carinatum | Yin, Peng & Zhang, 2005 | - | Detail |
| 95 | Theridion carpathium | Brignoli, 1984 | - | Detail |
| 96 | Theridion cassinicola | Simon, 1907 | - | Detail |
| 97 | Theridion castaneum | Franganillo, 1931 | - | Detail |
| 98 | Theridion catharina | Marples, 1955 | - | Detail |
| 99 | Theridion cavipalpus | (F. O. Pickard-Cambridge, 1902) | 2024-01-11 | Detail |
| 100 | Theridion cazieri | Levi, 1959 | - | Detail |
| 101 | Theridion centrum | Levi, 1959 | - | Detail |
| 102 | Theridion ceres | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 103 | Theridion ceylonicum | Dunlop & Jekel, 2009 | 2025-04-25 | Detail |
| 104 | Theridion chacoense | Levi, 1963 | - | Detail |
| 105 | Theridion chakinuense | Wunderlich, 1995 | - | Detail |
| 106 | Theridion chamberlini | Caporiacco, 1949 | - | Detail |
| 107 | Theridion charitonowi | Caporiacco, 1949 | - | Detail |
| 108 | Theridion charlati | Dierkens, 2016 | 2017-08-11 | Detail |
| 109 | Theridion cheimatos | Gertsch & Archer, 1942 | - | Detail |
| 110 | Theridion cheni | Zhu, 1998 | - | Detail |
| 111 | Theridion chenzhangfui | Lin & Li, 2024 | 2024-01-19 | Detail |
| 112 | Theridion chihuahua | Levi, 1959 | - | Detail |
| 113 | Theridion chiriqui | Levi, 1959 | - | Detail |
| 114 | Theridion choroni | Levi, 1963 | - | Detail |
| 115 | Theridion cinctipes | Banks, 1898 | - | Detail |
| 116 | Theridion cinereum | Thorell, 1875 | 2025-11-18 | Detail |
| 117 | Theridion circuitum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 118 | Theridion circumtextum | Simon, 1907 | - | Detail |
| 119 | Theridion climacode | Thorell, 1898 | - | Detail |
| 120 | Theridion clivalum | Zhu, 1998 | - | Detail |
| 121 | Theridion cloxum | Roberts, 1983 | - | Detail |
| 122 | Theridion clypeatellum | Tullgren, 1910 | 2025-03-14 | Detail |
| 123 | Theridion cochise | Levi, 1963 | - | Detail |
| 124 | Theridion cochrum | Levi, 1963 | - | Detail |
| 125 | Theridion cocosense | Strand, 1906 | 2020-03-26 | Detail |
| 126 | Theridion coenosum | Thorell, 1887 | - | Detail |
| 127 | Theridion cohni | Levi, 1963 | - | Detail |
| 128 | Theridion coldeniae | Baert & Maelfait, 1986 | 2024-12-22 | Detail |
| 129 | Theridion comstocki | Berland, 1920 | 2025-03-14 | Detail |
| 130 | Theridion confusum | O. Pickard-Cambridge, 1885 | 2022-06-14 | Detail |
| 131 | Theridion contreras | Levi, 1959 | - | Detail |
| 132 | Theridion convexellum | Roewer, 1942 | 2025-11-06 | Detail |
| 133 | Theridion convexisternum | Caporiacco, 1949 | - | Detail |
| 134 | Theridion corcyraeum | Brignoli, 1984 | 2014-07-03 | Detail |
| 135 | Theridion costaricaense | Levi, 1963 | - | Detail |
| 136 | Theridion cowlesae | Levi, 1957 | - | Detail |
| 137 | Theridion coyoacan | Levi, 1959 | - | Detail |
| 138 | Theridion cruciferum | Urquhart, 1886 | 2024-12-05 | Detail |
| 139 | Theridion crucum | Levi, 1959 | - | Detail |
| 140 | Theridion cuspulatum | Schmidt & Krause, 1998 | 2025-11-20 | Detail |
| 141 | Theridion cuyutlan | Levi, 1963 | - | Detail |
| 142 | Theridion cygneum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 143 | Theridion cynicum | Gertsch & Mulaik, 1936 | - | Detail |
| 144 | Theridion cyprusense | Wunderlich, 2011 | 2022-07-11 | Detail |
| 145 | Theridion dafnense | Levy & Amitai, 1982 | - | Detail |
| 146 | Theridion davisorum | Levi, 1959 | - | Detail |
| 147 | Theridion dayongense | Zhu, 1998 | - | Detail |
| 148 | Theridion decemmaculatum | Thorell, 1890 | - | Detail |
| 149 | Theridion decemperlatum | (Simon, 1889) | 2024-06-12 | Detail |
| 150 | Theridion dedux | O. Pickard-Cambridge, 1904 | - | Detail |
| 151 | Theridion delicatum | O. Pickard-Cambridge, 1904 | 2025-09-29 | Detail |
| 152 | Theridion derhami | Simon, 1895 | - | Detail |
| 153 | Theridion desertum | Ponomarev, 2008 | - | Detail |
| 154 | Theridion diadematum | Chrysanthus, 1963 | - | Detail |
| 155 | Theridion dianiphum | Rainbow, 1916 | - | Detail |
| 156 | Theridion differens | Emerton, 1882 | 2025-03-13 | Detail |
| 157 | Theridion dilucidum | Simon, 1898 | 2016-11-14 | Detail |
| 158 | Theridion dilutum | Levi, 1957 | - | Detail |
| 159 | Theridion dividuum | Gertsch & Archer, 1942 | - | Detail |
| 160 | Theridion dominica | Levi, 1963 | - | Detail |
| 161 | Theridion dreisbachi | Levi, 1959 | - | Detail |
| 162 | Theridion dubium | Bradley, 1877 | - | Detail |
| 163 | Theridion dukouense | Zhu, 1998 | - | Detail |
| 164 | Theridion dulcineum | Gertsch & Archer, 1942 | - | Detail |
| 165 | Theridion durbanicum | Lawrence, 1947 | 2023-02-10 | Detail |
| 166 | Theridion ecuadorense | Levi, 1963 | - | Detail |
| 167 | Theridion electum | (O. Pickard-Cambridge, 1896) | 2020-01-13 | Detail |
| 168 | Theridion elegantissimum | Roewer, 1942 | 2025-11-06 | Detail |
| 169 | Theridion elevatum | Thorell, 1881 | - | Detail |
| 170 | Theridion elisabethae | Roewer, 1951 | - | Detail |
| 171 | Theridion elli | Sedgwick, 1974 | 2021-09-19 | Detail |
| 172 | Theridion ellicottense | Dobyns & Bond, 1996 | - | Detail |
| 173 | Theridion emertoni | Berland, 1920 | 2025-03-14 | Detail |
| 174 | Theridion epiense | Berland, 1938 | - | Detail |
| 175 | Theridion eremum | Levi, 1963 | - | Detail |
| 176 | Theridion eugeni | Roewer, 1942 | 2025-11-17 | Detail |
| 177 | Theridion evexum | Keyserling, 1884 | 2020-01-13 | Detail |
| 178 | Theridion excavatum | F. O. Pickard-Cambridge, 1902 | - | Detail |
| 179 | Theridion exlineae | Levi, 1963 | - | Detail |
| 180 | Theridion expallidatum | O. Pickard-Cambridge, 1885 | 2022-06-14 | Detail |
| 181 | Theridion falcatum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 182 | Theridion familiare | O. Pickard-Cambridge, 1871 | 2023-07-10 | Detail |
| 183 | Theridion fastosum | Keyserling, 1884 | - | Detail |
| 184 | Theridion fatuhivaense | Berland, 1933 | - | Detail |
| 185 | Theridion femorale | Thorell, 1881 | - | Detail |
| 186 | Theridion femoratissimum | Caporiacco, 1949 | - | Detail |
| 187 | Theridion ferdinand | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 188 | Theridion fernandense | Simon, 1907 | - | Detail |
| 189 | Theridion filum | Levi, 1963 | - | Detail |
| 190 | Theridion flabelliferum | Urquhart, 1887 | 2025-11-17 | Detail |
| 191 | Theridion flavonotatum | Becker, 1879 | 2022-12-07 | Detail |
| 192 | Theridion flavoornatum | Thorell, 1898 | - | Detail |
| 193 | Theridion fornicatum | Simon, 1884 | 2025-01-05 | Detail |
| 194 | Theridion frio | Levi, 1959 | - | Detail |
| 195 | Theridion frizzellorum | Levi, 1963 | - | Detail |
| 196 | Theridion frondeum | Hentz, 1850 | 2025-11-18 | Detail |
| 197 | Theridion fruticum | Simon, 1890 | - | Detail |
| 198 | Theridion furfuraceum | Simon, 1914 | 2014-08-27 | Detail |
| 199 | Theridion fuscodecoratum | Rainbow, 1916 | - | Detail |
| 200 | Theridion fuscomaculatum | Rainbow, 1916 | - | Detail |
| 201 | Theridion gabardi | Simon, 1895 | - | Detail |
| 202 | Theridion galerum | Levi, 1959 | - | Detail |
| 203 | Theridion ganjiangyuan | Zhou, 2026 | 2026-01-10 | Detail |
| 204 | Theridion gekkonicum | Levy & Amitai, 1982 | - | Detail |
| 205 | Theridion geminipunctum | Chamberlin, 1924 | - | Detail |
| 206 | Theridion genistae | Simon, 1873 | 2021-04-07 | Detail |
| 207 | Theridion gertschi | Levi, 1959 | - | Detail |
| 208 | Theridion gibbum | Rainbow, 1916 | - | Detail |
| 209 | Theridion giraulti | Rainbow, 1916 | - | Detail |
| 210 | Theridion glaciale | Caporiacco, 1934 | 2025-03-28 | Detail |
| 211 | Theridion glaucescens | Becker, 1879 | 2025-03-13 | Detail |
| 212 | Theridion glaucinum | Simon, 1881 | 2024-09-25 | Detail |
| 213 | Theridion gongchui | Liu, 2025 | 2025-11-27 | Detail |
| 214 | Theridion goodnightorum | Levi, 1957 | - | Detail |
| 215 | Theridion gracilipes | Urquhart, 1889 | - | Detail |
| 216 | Theridion grallator | Simon, 1900 | 2025-03-16 | Detail |
| 217 | Theridion gramineusum | Zhu, 1998 | 2025-11-18 | Detail |
| 218 | Theridion grammatophorum | Simon, 1909 | - | Detail |
| 219 | Theridion grandiosum | Levi, 1963 | - | Detail |
| 220 | Theridion grecia | Levi, 1959 | - | Detail |
| 221 | Theridion gyirongense | Hu & Li, 1987 | - | Detail |
| 222 | Theridion hainanense | Zhu, 1998 | 2021-01-07 | Detail |
| 223 | Theridion haleakalense | Simon, 1900 | 2025-03-16 | Detail |
| 224 | Theridion hannoniae | Denis, 1945 | 2025-07-08 | Detail |
| 225 | Theridion harmsi | Wunderlich, 2011 | 2023-04-28 | Detail |
| 226 | Theridion hartmeyeri | Simon, 1908 | - | Detail |
| 227 | Theridion hassleri | Levi, 1963 | 2025-11-20 | Detail |
| 228 | Theridion hebridisianum | Berland, 1938 | - | Detail |
| 229 | Theridion helena | Wunderlich, 2011 | 2023-11-23 | Detail |
| 230 | Theridion helophorum | Thorell, 1895 | - | Detail |
| 231 | Theridion hemerobium | Simon, 1914 | 2025-03-13 | Detail |
| 232 | Theridion hermonense | Levy, 1991 | 2018-07-24 | Detail |
| 233 | Theridion hewitti | Caporiacco, 1949 | - | Detail |
| 234 | Theridion hidalgo | Levi, 1957 | - | Detail |
| 235 | Theridion hierichonticum | Levy & Amitai, 1982 | - | Detail |
| 236 | Theridion hispidum | O. Pickard-Cambridge, 1898 | - | Detail |
| 237 | Theridion histrionicum | Thorell, 1875 | 2019-02-21 | Detail |
| 238 | Theridion hondurense | Levi, 1959 | - | Detail |
| 239 | Theridion hopkinsi | Berland, 1929 | - | Detail |
| 240 | Theridion hotanense | Zhu & Zhou, 1993 | 2021-12-15 | Detail |
| 241 | Theridion huanuco | Levi, 1963 | - | Detail |
| 242 | Theridion hufengense | Tang, Yin & Peng, 2005 | - | Detail |
| 243 | Theridion humboldti | Levi, 1967 | - | Detail |
| 244 | Theridion hummeli | Schenkel, 1936 | - | Detail |
| 245 | Theridion hupingense | Yin, 2012 | - | Detail |
| 246 | Theridion idiotypum | Rainbow, 1917 | - | Detail |
| 247 | Theridion illecebrosum | Simon, 1886 | - | Detail |
| 248 | Theridion impegrum | Keyserling, 1886 | - | Detail |
| 249 | Theridion impressithorax | Simon, 1895 | - | Detail |
| 250 | Theridion incanescens | Simon, 1890 | 2023-12-28 | Detail |
| 251 | Theridion incertissimum | (Caporiacco, 1954) | - | Detail |
| 252 | Theridion incertum | O. Pickard-Cambridge, 1885 | 2019-12-29 | Detail |
| 253 | Theridion incomtum | (O. Pickard-Cambridge, 1896) | - | Detail |
| 254 | Theridion inconspicuum | Thorell, 1898 | - | Detail |
| 255 | Theridion innocuum | Thorell, 1875 | 2022-09-06 | Detail |
| 256 | Theridion inquinatum | Thorell, 1878 | - | Detail |
| 257 | Theridion insignitarse | Simon, 1907 | - | Detail |
| 258 | Theridion intritum | (Bishop & Crosby, 1926) | - | Detail |
| 259 | Theridion iramon | Levi, 1963 | - | Detail |
| 260 | Theridion irrugatum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 261 | Theridion ischagosum | Barrion & Litsinger, 1995 | - | Detail |
| 262 | Theridion isorium | Levi, 1963 | - | Detail |
| 263 | Theridion istokpoga | Levi, 1957 | - | Detail |
| 264 | Theridion italiense | Wunderlich, 1995 | 2025-10-30 | Detail |
| 265 | Theridion jiangshiliangi | Liu, 2025 | 2025-11-27 | Detail |
| 266 | Theridion jordanense | Levy & Amitai, 1982 | 2023-12-28 | Detail |
| 267 | Theridion juno | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 268 | Theridion kambalum | Barrion & Litsinger, 1995 | - | Detail |
| 269 | Theridion kangkeqingae | Liu, 2025 | 2025-11-27 | Detail |
| 270 | Theridion karamayense | Zhu, 1998 | - | Detail |
| 271 | Theridion kauaiense | Simon, 1900 | 2025-03-16 | Detail |
| 272 | Theridion kawea | Levi, 1957 | - | Detail |
| 273 | Theridion kibonotense | Tullgren, 1910 | 2025-03-14 | Detail |
| 274 | Theridion kiliani | Müller & Heimer, 1990 | - | Detail |
| 275 | Theridion kobrooricum | Strand, 1911 | 2017-11-22 | Detail |
| 276 | Theridion kochi | Roewer, 1942 | 2025-11-18 | Detail |
| 277 | Theridion kraussi | Marples, 1957 | - | Detail |
| 278 | Theridion lacticolor | Berland, 1920 | - | Detail |
| 279 | Theridion laevigatum | Blackwall, 1870 | - | Detail |
| 280 | Theridion lago | Levi, 1963 | - | Detail |
| 281 | Theridion lanceatum | Zhang & Zhu, 2007 | - | Detail |
| 282 | Theridion lapidicola | Kulczyński, 1887 | - | Detail |
| 283 | Theridion latisternum | Caporiacco, 1934 | 2025-01-05 | Detail |
| 284 | Theridion lawrencei | Gertsch & Archer, 1942 | 2025-03-14 | Detail |
| 285 | Theridion leechi | Gertsch & Archer, 1942 | 2025-03-13 | Detail |
| 286 | Theridion leguiai | Chamberlin, 1916 | - | Detail |
| 287 | Theridion leones | Levi, 1959 | - | Detail |
| 288 | Theridion leucophaeum | Simon, 1905 | 2019-12-29 | Detail |
| 289 | Theridion leve | Blackwall, 1877 | - | Detail |
| 290 | Theridion leviorum | Gertsch & Riechert, 1976 | - | Detail |
| 291 | Theridion liaoyuanense | (Zhu & Yu, 1982) | - | Detail |
| 292 | Theridion limatum | Tullgren, 1910 | - | Detail |
| 293 | Theridion limitatum | L. Koch, 1872 | - | Detail |
| 294 | Theridion linaresense | Levi, 1963 | - | Detail |
| 295 | Theridion linzhiense | Hu, 2001 | - | Detail |
| 296 | Theridion llano | Levi, 1957 | - | Detail |
| 297 | Theridion logan | Levi & Patrick, 2013 | - | Detail |
| 298 | Theridion lomirae | Roewer, 1938 | 2025-11-18 | Detail |
| 299 | Theridion longicrure | Marples, 1956 | - | Detail |
| 300 | Theridion longiductum | Liu & Peng, 2012 | - | Detail |
| 301 | Theridion longihirsutum | Strand, 1907 | - | Detail |
| 302 | Theridion longioembolia | Liu & Peng, 2012 | - | Detail |
| 303 | Theridion longipalpum | Zhu, 1998 | 2024-05-17 | Detail |
| 304 | Theridion longipedatum | Roewer, 1942 | 2025-11-18 | Detail |
| 305 | Theridion longipili | Seo, 2004 | 2022-07-19 | Detail |
| 306 | Theridion ludekingi | Thorell, 1890 | - | Detail |
| 307 | Theridion ludius | Simon, 1880 | - | Detail |
| 308 | Theridion lumabani | Barrion & Litsinger, 1995 | - | Detail |
| 309 | Theridion luteitarse | Schmidt & Krause, 1995 | 2025-11-20 | Detail |
| 310 | Theridion macei | Simon, 1895 | 2025-03-14 | Detail |
| 311 | Theridion machu | Levi, 1963 | - | Detail |
| 312 | Theridion macropora | Tang, Yin & Peng, 2006 | 2024-06-14 | Detail |
| 313 | Theridion macuchi | Levi, 1963 | - | Detail |
| 314 | Theridion maculiferum | Roewer, 1942 | 2025-11-18 | Detail |
| 315 | Theridion magdalenense | Müller & Heimer, 1990 | - | Detail |
| 316 | Theridion maindroni | Simon, 1905 | 2020-02-14 | Detail |
| 317 | Theridion makotoi | Yoshida, 2009 | - | Detail |
| 318 | Theridion malagaense | Wunderlich, 2011 | 2024-01-15 | Detail |
| 319 | Theridion manjithar | Tikader, 1970 | 2019-12-29 | Detail |
| 320 | Theridion manonoense | Marples, 1955 | - | Detail |
| 321 | Theridion maranum | Levi, 1963 | - | Detail |
| 322 | Theridion maron | Levi, 1963 | - | Detail |
| 323 | Theridion martini | Levi, 1959 | - | Detail |
| 324 | Theridion mataafa | Marples, 1955 | - | Detail |
| 325 | Theridion mauiense | Simon, 1900 | 2025-03-16 | Detail |
| 326 | Theridion mehlum | Roberts, 1983 | - | Detail |
| 327 | Theridion melanoplax | Schmidt & Krause, 1996 | - | Detail |
| 328 | Theridion melanoprorum | Thorell, 1895 | - | Detail |
| 329 | Theridion melanoprorum orientale | Simon, 1909 | - | Detail |
| 330 | Theridion melanostictum | O. Pickard-Cambridge, 1876 | 2025-07-06 | Detail |
| 331 | Theridion melanurum | Hahn, 1831 | 2025-11-18 | Detail |
| 332 | Theridion melinum | Simon, 1900 | 2025-03-16 | Detail |
| 333 | Theridion mendozae | Berland, 1933 | - | Detail |
| 334 | Theridion metabolum | Chamberlin & Ivie, 1936 | - | Detail |
| 335 | Theridion metator | Simon, 1907 | - | Detail |
| 336 | Theridion michelbacheri | Levi, 1957 | - | Detail |
| 337 | Theridion micheneri | Levi, 1963 | - | Detail |
| 338 | Theridion minutissimum | Keyserling, 1884 | - | Detail |
| 339 | Theridion minutulum | Thorell, 1895 | - | Detail |
| 340 | Theridion miranda | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 341 | Theridion miserum | Thorell, 1898 | - | Detail |
| 342 | Theridion modestum | (Simon, 1894) | - | Detail |
| 343 | Theridion modonatum | Wunderlich, 2023 | 2023-11-19 | Detail |
| 344 | Theridion molliculum | Thorell, 1899 | - | Detail |
| 345 | Theridion mollissimum | L. Koch, 1872 | - | Detail |
| 346 | Theridion monzonense | Levi, 1963 | - | Detail |
| 347 | Theridion mortuale | Simon, 1908 | 2023-03-15 | Detail |
| 348 | Theridion morulum | O. Pickard-Cambridge, 1898 | - | Detail |
| 349 | Theridion mucidum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 350 | Theridion murarium | Emerton, 1882 | 2025-03-14 | Detail |
| 351 | Theridion musivivoides | Schmidt & Krause, 1995 | 2025-11-20 | Detail |
| 352 | Theridion musivivum | Schmidt, 1956 | 2018-04-20 | Detail |
| 353 | Theridion myersi | Levi, 1957 | 2024-12-22 | Detail |
| 354 | Theridion mystaceum | L. Koch, 1870 | 2021-02-14 | Detail |
| 355 | Theridion mysteriosum | Schmidt, 1971 | - | Detail |
| 356 | Theridion nadleri | Levi, 1959 | - | Detail |
| 357 | Theridion nagorum | Roberts, 1983 | 2025-08-30 | Detail |
| 358 | Theridion nasinotum | Caporiacco, 1949 | - | Detail |
| 359 | Theridion nasutum | Wunderlich, 1995 | 2019-02-05 | Detail |
| 360 | Theridion necijaense | Barrion & Litsinger, 1995 | - | Detail |
| 361 | Theridion negebense | Levy & Amitai, 1982 | 2024-09-09 | Detail |
| 362 | Theridion neomexicanum | Banks, 1901 | 2025-04-14 | Detail |
| 363 | Theridion neshamini | Levi, 1957 | - | Detail |
| 364 | Theridion nigriceps | Keyserling, 1891 | - | Detail |
| 365 | Theridion nigroannulatum | Keyserling, 1884 | - | Detail |
| 366 | Theridion nigropunctulatum | Thorell, 1898 | - | Detail |
| 367 | Theridion nigrosacculatum | Tullgren, 1910 | - | Detail |
| 368 | Theridion nilgherinum | Simon, 1905 | - | Detail |
| 369 | Theridion niphocosmum | Rainbow, 1916 | - | Detail |
| 370 | Theridion niveopunctatum | Thorell, 1898 | - | Detail |
| 371 | Theridion niveum | O. Pickard-Cambridge, 1898 | 2021-06-02 | Detail |
| 372 | Theridion nivosum | Rainbow, 1916 | - | Detail |
| 373 | Theridion nodiferum | Simon, 1895 | - | Detail |
| 374 | Theridion nojimai | Yoshida, 1999 | 2025-01-22 | Detail |
| 375 | Theridion nudum | Levi, 1959 | - | Detail |
| 376 | Theridion oatesi | Thorell, 1895 | - | Detail |
| 377 | Theridion ochreolum | Levy & Amitai, 1982 | 2024-02-15 | Detail |
| 378 | Theridion octoferum | Strand, 1909 | 2025-01-05 | Detail |
| 379 | Theridion odisha | Prasad, Caleb, Tyagi & Kumar, 2019 | 2024-01-29 | Detail |
| 380 | Theridion odoratusum | Zhu, 1998 | 2025-11-06 | Detail |
| 381 | Theridion omiltemi | Levi, 1959 | - | Detail |
| 382 | Theridion onticolum | Levi, 1963 | - | Detail |
| 383 | Theridion opolon | Levi, 1963 | - | Detail |
| 384 | Theridion opuntia | Levi, 1963 | - | Detail |
| 385 | Theridion orgea | (Levi, 1967) | - | Detail |
| 386 | Theridion orlando | (Archer, 1950) | - | Detail |
| 387 | Theridion osprum | Levi, 1963 | - | Detail |
| 388 | Theridion oswaldocruzi | Levi, 1963 | - | Detail |
| 389 | Theridion otsospotum | Barrion & Litsinger, 1995 | - | Detail |
| 390 | Theridion palanum | Roberts, 1983 | - | Detail |
| 391 | Theridion pallasi | Ponomarev, 2007 | 2019-02-15 | Detail |
| 392 | Theridion pallidulum | Roewer, 1942 | 2025-11-18 | Detail |
| 393 | Theridion pandani | Simon, 1895 | 2019-11-19 | Detail |
| 394 | Theridion panganii | Caporiacco, 1947 | - | Detail |
| 395 | Theridion papillatum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 396 | Theridion paraense | Levi, 1963 | - | Detail |
| 397 | Theridion parvulum | Blackwall, 1870 | - | Detail |
| 398 | Theridion parvum | Keyserling, 1884 | - | Detail |
| 399 | Theridion patrizii | Caporiacco, 1933 | - | Detail |
| 400 | Theridion pelaezi | Levi, 1963 | - | Detail |
| 401 | Theridion pennsylvanicum | Emerton, 1913 | 2025-03-13 | Detail |
| 402 | Theridion perkinsi | Simon, 1900 | 2025-03-16 | Detail |
| 403 | Theridion pernambucum | Levi, 1963 | - | Detail |
| 404 | Theridion perpusillum | Simon, 1886 | 2023-11-24 | Detail |
| 405 | Theridion petraeum | L. Koch, 1872 | 2025-11-18 | Detail |
| 406 | Theridion petrunkevitchi | Berland, 1920 | 2025-03-14 | Detail |
| 407 | Theridion phaeostoma | Simon, 1909 | 2026-03-28 | Detail |
| 408 | Theridion pictum type species | (Walckenaer, 1802) | 2024-09-13 | Detail |
| 409 | Theridion pierre | Levi & Patrick, 2013 | - | Detail |
| 410 | Theridion pigrum | Keyserling, 1886 | - | Detail |
| 411 | Theridion pilatum | Urquhart, 1893 | - | Detail |
| 412 | Theridion pinastri | L. Koch, 1872 | 2025-07-16 | Detail |
| 413 | Theridion pinguiculum | Simon, 1909 | - | Detail |
| 414 | Theridion pinicola | Simon, 1873 | 2021-05-05 | Detail |
| 415 | Theridion pires | Levi, 1963 | - | Detail |
| 416 | Theridion piriforme | Berland, 1938 | - | Detail |
| 417 | Theridion plaumanni | Levi, 1963 | - | Detail |
| 418 | Theridion plectile | Simon, 1909 | - | Detail |
| 419 | Theridion plumipes | van Hasselt, 1882 | 2022-08-23 | Detail |
| 420 | Theridion pluviale | Tullgren, 1910 | - | Detail |
| 421 | Theridion poecilum | Zhu, 1998 | - | Detail |
| 422 | Theridion porphyreticum | Urquhart, 1889 | - | Detail |
| 423 | Theridion positivum | Chamberlin, 1924 | - | Detail |
| 424 | Theridion posticatum | Simon, 1900 | 2025-03-16 | Detail |
| 425 | Theridion postmarginatum | Tullgren, 1910 | - | Detail |
| 426 | Theridion praeclusum | Tullgren, 1910 | - | Detail |
| 427 | Theridion praemite | Simon, 1907 | - | Detail |
| 428 | Theridion praetextum | Simon, 1900 | 2025-03-16 | Detail |
| 429 | Theridion prominens | Blackwall, 1870 | - | Detail |
| 430 | Theridion promiscuum | Domènech & Crespo, 2020 | 2020-05-06 | Detail |
| 431 | Theridion prospero | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 432 | Theridion proximum | Lawrence, 1964 | 2024-11-04 | Detail |
| 433 | Theridion puellae | Locket, 1980 | - | Detail |
| 434 | Theridion pulanense | Hu, 2001 | - | Detail |
| 435 | Theridion punctipes | Emerton, 1924 | - | Detail |
| 436 | Theridion punicapunctatum | Urquhart, 1891 | - | Detail |
| 437 | Theridion punongpalayum | Barrion & Litsinger, 1995 | - | Detail |
| 438 | Theridion purcelli | O. Pickard-Cambridge, 1904 | 2024-11-04 | Detail |
| 439 | Theridion pyramidale | L. Koch, 1867 | - | Detail |
| 440 | Theridion pyrenaeum | Denis, 1945 | 2025-10-30 | Detail |
| 441 | Theridion quadratum | (O. Pickard-Cambridge, 1882) | - | Detail |
| 442 | Theridion quadrilineatum | Lenz, 1886 | - | Detail |
| 443 | Theridion quadripapulatum | Thorell, 1895 | 2025-01-05 | Detail |
| 444 | Theridion quadripartitum | Keyserling, 1891 | - | Detail |
| 445 | Theridion rabuni | Chamberlin & Ivie, 1944 | 2025-03-14 | Detail |
| 446 | Theridion rafflesi | Simon, 1899 | - | Detail |
| 447 | Theridion rampum | Levi, 1963 | - | Detail |
| 448 | Theridion ravum | Levi, 1963 | - | Detail |
| 449 | Theridion reinhardti | Charitonov, 1946 | - | Detail |
| 450 | Theridion resum | Levi, 1959 | - | Detail |
| 451 | Theridion retreatense | Strand, 1909 | - | Detail |
| 452 | Theridion retrocitum | Simon, 1909 | - | Detail |
| 453 | Theridion rhodonotum | Simon, 1909 | - | Detail |
| 454 | Theridion ricense | Levi, 1959 | - | Detail |
| 455 | Theridion rossi | Levi, 1963 | - | Detail |
| 456 | Theridion rostriferum | Simon, 1895 | 2025-03-14 | Detail |
| 457 | Theridion rothi | Levi, 1959 | - | Detail |
| 458 | Theridion rubiginosum | Keyserling, 1884 | - | Detail |
| 459 | Theridion rubrum | (Keyserling, 1886) | - | Detail |
| 460 | Theridion rurrenabaque | Levi, 1963 | - | Detail |
| 461 | Theridion ruwenzoricola | Strand, 1913 | 2025-03-14 | Detail |
| 462 | Theridion saanichum | Chamberlin & Ivie, 1947 | 2025-03-14 | Detail |
| 463 | Theridion sabinjonis | Strand, 1913 | 2025-03-14 | Detail |
| 464 | Theridion samoense | Berland, 1929 | - | Detail |
| 465 | Theridion sanctum | Levi, 1959 | - | Detail |
| 466 | Theridion sardis | Chamberlin & Ivie, 1944 | - | Detail |
| 467 | Theridion saropus | Thorell, 1887 | - | Detail |
| 468 | Theridion schlingeri | Levi, 1963 | - | Detail |
| 469 | Theridion schrammeli | Levi, 1963 | - | Detail |
| 470 | Theridion semitinctum | Simon, 1914 | 2025-11-24 | Detail |
| 471 | Theridion senckenbergi | Levi, 1963 | - | Detail |
| 472 | Theridion septempunctatum | Berland, 1933 | - | Detail |
| 473 | Theridion sertatum | Simon, 1909 | - | Detail |
| 474 | Theridion setiferum | Roewer, 1942 | 2025-11-18 | Detail |
| 475 | Theridion setosum | L. Koch, 1872 | - | Detail |
| 476 | Theridion setum | Zhu, 1998 | - | Detail |
| 477 | Theridion sibiricum | Marusik, 1988 | 2019-02-21 | Detail |
| 478 | Theridion sinaloa | Levi, 1959 | - | Detail |
| 479 | Theridion soaresi | Levi, 1963 | - | Detail |
| 480 | Theridion societatis | Berland, 1934 | 2017-08-11 | Detail |
| 481 | Theridion spinigerum | Rainbow, 1916 | - | Detail |
| 482 | Theridion spinitarse | O. Pickard-Cambridge, 1876 | 2025-11-18 | Detail |
| 483 | Theridion spinosissimum | Caporiacco, 1934 | 2025-03-28 | Detail |
| 484 | Theridion squalidum | Urquhart, 1886 | - | Detail |
| 485 | Theridion squamosum | Gao & Li, 2014 | 2014-03-03 | Detail |
| 486 | Theridion stamotum | Levi, 1963 | - | Detail |
| 487 | Theridion stannardi | Levi, 1963 | - | Detail |
| 488 | Theridion strepitus | Peck & Shear, 1987 | 2024-12-22 | Detail |
| 489 | Theridion striatum | Keyserling, 1884 | - | Detail |
| 490 | Theridion styligerum | F. O. Pickard-Cambridge, 1902 | - | Detail |
| 491 | Theridion subitum | O. Pickard-Cambridge, 1885 | 2019-12-29 | Detail |
| 492 | Theridion submirabile | Zhu & Song, 1993 | 2022-07-19 | Detail |
| 493 | Theridion submissum | Gertsch & Davis, 1936 | - | Detail |
| 494 | Theridion subpingue | Simon, 1908 | - | Detail |
| 495 | Theridion subplaumanni | Liu & Peng, 2012 | - | Detail |
| 496 | Theridion subradiatum | Simon, 1901 | 2024-07-03 | Detail |
| 497 | Theridion subrotundum | Keyserling, 1891 | - | Detail |
| 498 | Theridion subundatum | Zhou, Irfan & Peng, 2024 | 2024-05-17 | Detail |
| 499 | Theridion subvittatum | Simon, 1889 | 2019-12-29 | Detail |
| 500 | Theridion sulawesiense | Marusik & Penney, 2004 | 2015-10-08 | Detail |
| 501 | Theridion swarczewskii | Werjbitzky, 1902 | 2018-06-06 | Detail |
| 502 | Theridion sycorax | Bellvert & Arnedo, 2021 | 2025-03-16 | Detail |
| 503 | Theridion taegense | Paik, 1996 | 2022-07-19 | Detail |
| 504 | Theridion tahitiae | Berland, 1934 | - | Detail |
| 505 | Theridion tamerlani | Roewer, 1942 | 2025-11-18 | Detail |
| 506 | Theridion tayrona | Müller & Heimer, 1990 | - | Detail |
| 507 | Theridion tebanum | Levi, 1963 | - | Detail |
| 508 | Theridion teliferum | Simon, 1895 | - | Detail |
| 509 | Theridion tenellum | C. L. Koch, 1841 | - | Detail |
| 510 | Theridion tengchongense | Liu & Peng, 2012 | 2025-04-25 | Detail |
| 511 | Theridion tenuissimum | Thorell, 1898 | - | Detail |
| 512 | Theridion teresae | Levi, 1963 | - | Detail |
| 513 | Theridion teroshriensis | Biswas, 2025 | 2025-07-16 | Detail |
| 514 | Theridion tessellatum | Thorell, 1899 | 2025-11-21 | Detail |
| 515 | Theridion teutanoides | Caporiacco, 1949 | 2025-01-05 | Detail |
| 516 | Theridion thalia | Workman, 1878 | - | Detail |
| 517 | Theridion theridioides | (Keyserling, 1890) | - | Detail |
| 518 | Theridion thorelli | L. Koch, 1865 | - | Detail |
| 519 | Theridion timpanogos | Levi, 1957 | - | Detail |
| 520 | Theridion tinctorium | Keyserling, 1891 | - | Detail |
| 521 | Theridion todinum | Simon, 1880 | - | Detail |
| 522 | Theridion topo | Levi, 1963 | - | Detail |
| 523 | Theridion torosum | Keyserling, 1884 | - | Detail |
| 524 | Theridion trahax | Blackwall, 1866 | 2025-02-20 | Detail |
| 525 | Theridion transgressum | Petrunkevitch, 1911 | 2025-11-18 | Detail |
| 526 | Theridion trepidum | O. Pickard-Cambridge, 1898 | - | Detail |
| 527 | Theridion trifile | Simon, 1907 | 2024-03-18 | Detail |
| 528 | Theridion trigonicum | Thorell, 1890 | - | Detail |
| 529 | Theridion tristani | Levi, 1959 | - | Detail |
| 530 | Theridion triviale | Thorell, 1881 | - | Detail |
| 531 | Theridion tubicola | Doleschall, 1859 | - | Detail |
| 532 | Theridion turanicum | Charitonov, 1946 | - | Detail |
| 533 | Theridion turrialba | Levi, 1959 | - | Detail |
| 534 | Theridion uber | Keyserling, 1884 | - | Detail |
| 535 | Theridion uhligi | Martin, 1974 | 2021-02-22 | Detail |
| 536 | Theridion umbilicus | Levi, 1963 | - | Detail |
| 537 | Theridion uncatum | F. O. Pickard-Cambridge, 1902 | - | Detail |
| 538 | Theridion undatum | Zhu, 1998 | 2024-05-17 | Detail |
| 539 | Theridion undulanotum | Roewer, 1942 | 2025-11-18 | Detail |
| 540 | Theridion urnigerum | Thorell, 1898 | - | Detail |
| 541 | Theridion ursoi | Caporiacco, 1947 | - | Detail |
| 542 | Theridion urucum | Levi, 1963 | - | Detail |
| 543 | Theridion usitum | Strand, 1913 | 2025-03-14 | Detail |
| 544 | Theridion utcuyacu | Levi, 1963 | - | Detail |
| 545 | Theridion valleculum | Levi, 1959 | - | Detail |
| 546 | Theridion vallisalinarum | Levy & Amitai, 1982 | - | Detail |
| 547 | Theridion vanhoeffeni | Strand, 1909 | 2020-01-24 | Detail |
| 548 | Theridion varians | Hahn, 1833 | 2025-11-18 | Detail |
| 549 | Theridion varians cyrenaicum | Caporiacco, 1933 | - | Detail |
| 550 | Theridion varians rusticum | Simon, 1873 | 2025-03-05 | Detail |
| 551 | Theridion ventricosum | Rainbow, 1916 | - | Detail |
| 552 | Theridion vespertinum | Levy, 1985 | - | Detail |
| 553 | Theridion viridanum | Urquhart, 1887 | - | Detail |
| 554 | Theridion volubile | Keyserling, 1884 | 2024-12-22 | Detail |
| 555 | Theridion vosseleri | Strand, 1907 | 2025-03-14 | Detail |
| 556 | Theridion vossioni | Simon, 1884 | - | Detail |
| 557 | Theridion vulvum | Levi, 1959 | - | Detail |
| 558 | Theridion weberi | Thorell, 1893 | 2023-05-11 | Detail |
| 559 | Theridion weyrauchi | Levi, 1963 | - | Detail |
| 560 | Theridion whitcombi | Sedgwick, 1974 | 2021-09-19 | Detail |
| 561 | Theridion wiehlei | Schenkel, 1938 | 2025-11-18 | Detail |
| 562 | Theridion workmani | Thorell, 1887 | - | Detail |
| 563 | Theridion xanthostichum | (Rainbow, 1916) | 2019-04-23 | Detail |
| 564 | Theridion yani | Zhu, 1998 | - | Detail |
| 565 | Theridion yuma | Levi, 1963 | - | Detail |
| 566 | Theridion yunnanense | Schenkel, 1963 | - | Detail |
| 567 | Theridion zantholabio | Urquhart, 1886 | - | Detail |
| 568 | Theridion zekharya | Levy, 2007 | - | Detail |
| 569 | Theridion zhangmuense | Hu, 2001 | - | Detail |
| 570 | Theridion zhaoi | Zhu, 1998 | - | Detail |
| 571 | Theridion zhoui | Zhu, 1998 | - | Detail |
| 572 | Theridion zonarium | Keyserling, 1884 | - | Detail |
| 573 | Theridion zonulatum | Thorell, 1890 | 2015-09-02 | Detail |
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