Taxa included

Levi, H. W. (1963c). American spiders of the genus Theridion (Araneae, Theridiidae). Bulletin of the Museum of Comparative Zoology 129(10): 481-592, 13 pls.

Taxon
Nesticus citrinus (Taczanowski, 1874) (Nesticidae) 490, (Tf from Theridion), Nesticus citrinus
Kochiura attrita (Nicolet, 1849) (Theridiidae) 490, (T from Theridion, S of Theridion levipes, removed from S of Theridion [= Ero] spinipes, rejecting Simon, 1904e: 92), Anelosimus attritus
Kochiura rosea (Nicolet, 1849) (Theridiidae) 490, (T from Theridion), Anelosimus bucculentus
Theridion albolineatum Nicolet, 1849 (Theridiidae) 490, (Tf from Theridion), Anelosimus albolineatus
Thymoites caracasanus (Simon, 1895) (Theridiidae) 490, (T from Theridion), Thymoites caracasanus
Anelosimus studiosus (Hentz, 1850) (Theridiidae) 491, 1963f: 36 (S of Anelosimus magnificus), Anelosimus studiosus
Episinus immundus (Keyserling, 1884) (Theridiidae) 491, (T from Thymoites, S of Thymoites bigibbosus and T. bituberculatus), Episinus immundus
Kochiura rosea (Nicolet, 1849) (Theridiidae) 491, (T from Theridion), Anelosimus gracilis
Selkirkiella michaelseni (Simon, 1902) (Theridiidae) 491, (Tf from Theridion), Anelosimus michaelseni
Thymoites gibbithorax (Simon, 1894) (Theridiidae) 491, (Tm from Theridion), Thymoites gibbithorax
Thymoites lobifrons (Simon, 1894) (Theridiidae) 491, (Tm from Theridion), Thymoites lobifrons
Episinus porteri (Simon, 1901) (Theridiidae) 492, (T from Chrosiothes, S of Theridion spinatum), Anelosimus australis
Episinus typicus (Nicolet, 1849) (Theridiidae) 492, (T from Theridion, S of T. agreste; revalidated by Levi, 1967a: 8), Episinus typicus
Thymoites rarus (Keyserling, 1886) (Theridiidae) 492, (Tf from Theridion), Thymoites rarus
Thymoites struthio (Simon, 1895) (Theridiidae) 492, (Tm from Theridion), Thymoites struthio
Theridion armatum Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion armatum
Theridion adspersum Perty, 1833 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion adspersum
Theridion brasilianum Keyserling, 1884 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion brasilianum
Theridion concinnum Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion concinnum
Theridion conifaciens Hingston, 1932 (Theridiidae) 493, (unrecognizable = nomen dubium, probably nomen nudum), Theridion conifaciens
Theridion funerarium Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion funerarium
Theridion gayi Roewer, 1942 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion gayi
Theridion liliputanum Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion liliputanum
Theridion moraballi Hingston, 1932 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion moraballii
Theridion onustum Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion onustum
Theridion rubrolineatum Taczanowski, 1874 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion rubrolineatum
Theridion silvestre Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion silvestre
Theridion superbum Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion superbum
Theridion umbrosum Nicolet, 1849 (Theridiidae) 493, (unrecognizable = nomen dubium), Theridion umbrosum
Thwaitesia conifera (Blackwall, 1862) (Theridiidae) 493, (unrecognizable = nomen dubium, probably to Achaearanea), Theridion coniferum
Theridion filum Levi, 1963 (Theridiidae) 525, f. 1-2 (Dm), Theridion filum Original description
Theridion glaucescens Becker, 1879 (Theridiidae) 525, (S), Theridion glaucescens
Theridion bolum Levi, 1963 (Theridiidae) 526, f. 3-4 (Dm), Theridion bolum Original description
Theridion soaresi Levi, 1963 (Theridiidae) 526, f. 5 (m, replacement name), Theridion soaresi Original description
Theridion striatum Keyserling, 1884 (Theridiidae) 527, f. 6-9 (m, Df), Theridion striatum
Theridion volubile Keyserling, 1884 (Theridiidae) 527, f. 10-13 (f, Dm), Theridion volubile
Theridion filum Levi, 1963 (Theridiidae) 528, f. 17-18 (Df) [urn:lsid:nmbe.ch:spidersp:008221], Theridion antron
Theridion subrotundum Keyserling, 1891 (Theridiidae) 528, f. 14-16 (f), Theridion subrotundum
Theridion cohni Levi, 1963 (Theridiidae) 529, f. 19-20 (Df), Theridion cohni Original description
Theridion fastosum Keyserling, 1884 (Theridiidae) 530, f. 21-23 (mf), Theridion fastosum
Theridion hispidum O. Pickard-Cambridge, 1898 (Theridiidae) 530, f. 194-195 (f), Theridion hispidum
Theridion opuntia Levi, 1963 (Theridiidae) 531, f. 25-29 (Dmf), Theridion opuntia Original description
Theridion tinctorium Keyserling, 1891 (Theridiidae) 531, f. 24 (m), Theridion tinctorium
Theridion pernambucum Levi, 1963 (Theridiidae) 532, f. 30-33 (Dmf), Theridion pernambucum Original description
Theridion choroni Levi, 1963 (Theridiidae) 533, f. 34-35 (Df), Theridion choroni Original description
Theridion iramon Levi, 1963 (Theridiidae) 533, f. 36-39 (Dmf), Theridion iramon Original description
Theridion stamotum Levi, 1963 (Theridiidae) 534, f. 40-41 (Dm), Theridion stamotum Original description
Theridion utcuyacu Levi, 1963 (Theridiidae) 535, f. 47-49 (Dmf), Theridion utcuyacu Original description
Theridion yuma Levi, 1963 (Theridiidae) 535, f. 42-43 (Dm), Theridion yuma Original description
Theridion amarga Levi, 1967 (Theridiidae) 536, f. 44-46 (mf), Theridion foliaceum
Theridion ambiguum Nicolet, 1849 (Theridiidae) 537, f. 52-53 (Df), Theridion penai
Theridion linaresense Levi, 1963 (Theridiidae) 537, f. 50-51 (Df), Theridion linaresense Original description
Theridion agreste Nicolet, 1849 (Theridiidae) 538, f. 54-58 (mf; misidentified per Levi, 1967a: 8), Theridion ambiguum
Theridion nigroannulatum Keyserling, 1884 (Theridiidae) 539, f. 59-63 (mf), Theridion nigroannulatum
Theridion longipedatum Roewer, 1942 (Theridiidae) 540, f. 66-67 (f), Theridion longipedatum
Theridion rurrenabaque Levi, 1963 (Theridiidae) 540, f. 64-65 (Dm), Theridion rurrenabaque Original description
Theridion aragua Levi, 1963 (Theridiidae) 541, f. 68-71 (Dmf), Theridion aragua Original description
Theridion grandiosum Levi, 1963 (Theridiidae) 541, f. 72-75 (Dmf), Theridion grandiosum Original description
Cryptachaea triguttata (Keyserling, 1891) (Theridiidae) 542, f. 76-77 (f), Theridion triguttatum
Exalbidion rufipunctum (Levi, 1959) (Theridiidae) 543, f. 80-81 (f), Theridion rufipunctum
Theridion cocosense Strand, 1906 (Theridiidae) 543, f. 82-83 (f), Theridion cocosense
Theridion uber Keyserling, 1884 (Theridiidae) 543, f. 78-79 (f), Theridion uber
Theridion onticolum Levi, 1963 (Theridiidae) 544, f. 84-85, (Df; N.B.: "arbitrary combination of letters", compare FAQ 6), Theridion onticolum Original description
Theridion amatitlan Levi, 1963 (Theridiidae) 545, f. 88-89 (Df), Theridion amatitlan Original description
Theridion pelaezi Levi, 1963 (Theridiidae) 545, f. 90-91 (Df), Theridion pelaezi Original description
Theridion ecuadorense Levi, 1963 (Theridiidae) 546, f. 92-93 (Df), Theridion ecuadorense Original description
Theridion oswaldocruzi Levi, 1963 (Theridiidae) 546, f. 94-95 (Df), Theridion oswaldocruzi Original description
Theridion aeolium Levi, 1963 (Theridiidae) 547, f. 96-97 (Df), Theridion aeolium Original description
Theridion calcynatum Holmberg, 1876 (Theridiidae) 548, f. 100-107 (mf, S), Theridion calcynatum
Theridion eremum Levi, 1963 (Theridiidae) 548, f. 98-99 (Df), Theridion eremum Original description
Theridion frizzellorum Levi, 1963 (Theridiidae) 550, f. 109-116 (Dmf), Theridion frizzellorum Original description
Theridion botanicum Levi, 1963 (Theridiidae) 551, f. 117-120 (Dmf), Theridion botanicum Original description
Theridion huanuco Levi, 1963 (Theridiidae) 552, f. 108 (Dm), Theridion huanuco Original description
Theridion chacoense Levi, 1963 (Theridiidae) 553, f. 121-122 (Dm), Theridion chacoense Original description
Theridion cochise Levi, 1963 (Theridiidae) 553, f. 123-124 (Dm), Theridion cochise Original description
Theridion ravum Levi, 1963 (Theridiidae) 554, f. 127-130 (Dmf), Theridion ravum Original description
Theridion tebanum Levi, 1963 (Theridiidae) 554, f. 125-126 (Dm), Theridion tebanum Original description
Ameridion unanimum (Keyserling, 1891) (Theridiidae) 555, f. 131-134 (mf, S), Theridion unanimum
Theridion costaricaense Levi, 1963 (Theridiidae) 556, f. 137-138 (Df), Theridion costaricaense Original description
Theridion schrammeli Levi, 1963 (Theridiidae) 556, f. 135-136 (Dm), Theridion schrammeli Original description
Theridion hassleri Levi, 1963 (Theridiidae) 557, f. 139-140 (Df), Theridion hassleri Original description
Theridion rampum Levi, 1963 (Theridiidae) 557, f. 141-142, 232-233 (Dmf), Theridion rampum Original description
Ameridion armouri (Levi, 1959) (Theridiidae) 559, f. 143-144 (f), Theridion armouri
Theridion monzonense Levi, 1963 (Theridiidae) 559, f. 145-146 (Df), Theridion monzonense Original description
Theridion parvum Keyserling, 1884 (Theridiidae) 560, f. 149-150 (f), Theridion parvum
Theridion teresae Levi, 1963 (Theridiidae) 560, f. 147-148 (Df), Theridion teresae Original description
Exalbidion fungosum (Keyserling, 1886) (Theridiidae) 561, f. 179 (m), Theridion fungosum
Theridion bellatulum Levi, 1963 (Theridiidae) 561, f. 151-153 (Df), Theridion bellatulum Original description
Kochiura decolorata (Keyserling, 1886) (Theridiidae) 562, f. 154-155 (f), Theridion decoloratum
Theridion pires Levi, 1963 (Theridiidae) 562, f. 156-157 (Df), Theridion pires Original description
Exalbidion fungosum (Keyserling, 1886) (Theridiidae) 563, f. 158-160 (Df) [urn:lsid:nmbe.ch:spidersp:008752], Theridion tungurahua
Wamba congener O. Pickard-Cambridge, 1896 (Theridiidae) 563, f. 161-165 (mf), Theridion atropunctatum
Theridion minutissimum Keyserling, 1884 (Theridiidae) 564, f. 173-176 (mf), Theridion minutissimum
Wamba crispulus (Simon, 1895) (Theridiidae) 564, f. 166-172 (mf), Theridion crispulum
Theridion maron Levi, 1963 (Theridiidae) 565, f. 180-181 (Df), Theridion maron Original description
Theridion positivum Chamberlin, 1924 (Theridiidae) 565, f. 177-178 (mf), Theridion positivum
Theridion machu Levi, 1963 (Theridiidae) 566, f. 188-189 (Df), Theridion machu Original description
Theridion rubrum (Keyserling, 1886) (Theridiidae) 566, f. 184-185 (f), Theridion rubrum
Theridion schlingeri Levi, 1963 (Theridiidae) 566, f. 186-187 (Df), Theridion schlingeri Original description
Theridion tinctorium Keyserling, 1891 (Theridiidae) 566, f. 182-183 (f), Theridion querulum
Theridion incertissimum (Caporiacco, 1954) (Theridiidae) 567, f. 192-193 (Tf from Tidarren), Theridion incertissimum
Theridion senckenbergi Levi, 1963 (Theridiidae) 567, f. 190-191 (Df), Theridion senckenbergi Original description
Theridion ampascachi Mello-Leitão, 1941 (Theridiidae) 568, f. 198-199 (f), Theridion ampascachi
Theridion apostoli Mello-Leitão, 1945 (Theridiidae) 568, f. 196-197 (f), Theridion apostoli
Theridion dominica Levi, 1963 (Theridiidae) 569, f. 200-201 (Df), Theridion dominica Original description
Theridion macuchi Levi, 1963 (Theridiidae) 569, f. 204-205 (Df), Theridion macuchi Original description
Theridion torosum Keyserling, 1884 (Theridiidae) 569, f. 202-203 (f), Theridion torosum
Theridion maranum Levi, 1963 (Theridiidae) 570, f. 206 (Dm), Theridion maranum Original description
Theridion umbilicus Levi, 1963 (Theridiidae) 570, f. 207-208 (Dm), Theridion umbilicus Original description
Theridion aulos Levi, 1963 (Theridiidae) 571, f. 209 (Dm), Theridion aulos Original description
Theridion soaresi Levi, 1963 (Theridiidae) 572, f. 211-212 (Df) [urn:lsid:nmbe.ch:spidersp:008209], Theridion altum
Theridion teresae Levi, 1963 (Theridiidae) 572, f. 210 (Dm) [urn:lsid:nmbe.ch:spidersp:008553], Theridion nesticum
Theridion biezankoi Levi, 1963 (Theridiidae) 573, f. 213 (Dm), Theridion biezankoi Original description
Theridion rossi Levi, 1963 (Theridiidae) 573, f. 214-216 (Df), Theridion rossi Original description
Theridion impegrum Keyserling, 1886 (Theridiidae) 574, f. 217-218 (f, invalid emendation), Theridion impigrum
Theridion paraense Levi, 1963 (Theridiidae) 574, f. 219-220 (Df), Theridion paraense Original description
Theridion nigriceps Keyserling, 1891 (Theridiidae) 575, f. 221-224 (f), Theridion nigriceps
Theridion aporum Levi, 1963 (Theridiidae) 576, f. 227-228 (Dm), Theridion aporum Original description
Theridion rubiginosum Keyserling, 1884 (Theridiidae) 576, f. 226 (m), Theridion rubiginosum
Theridion osprum Levi, 1963 (Theridiidae) 577, f. 229 (Dm), Theridion osprum Original description
Theridion urucum Levi, 1963 (Theridiidae) 577, f. 230 (Dm), Theridion urucum Original description
Theridion beebei Levi, 1963 (Theridiidae) 578, f. 234 (Dm), Theridion beebei Original description
Theridion stannardi Levi, 1963 (Theridiidae) 578, f. 231 (Dm), Theridion stannardi Original description
Theridion cuyutlan Levi, 1963 (Theridiidae) 579, f. 235 (Dm), Theridion cuyutlan Original description
Kochiura olaup (Levi, 1963) (Theridiidae) 580, f. 236 (Dm), Theridion olaup Original description
Theridion exlineae Levi, 1963 (Theridiidae) 580, f. 237-240 (Dmf), Theridion exlinae Original description
Theridion opolon Levi, 1963 (Theridiidae) 580, f. 225, 258-259 (Dmf), Theridion opolon Original description
Theridion bergi Levi, 1963 (Theridiidae) 581, f. 86-87 (Df), Theridion bergi Original description
Theridion isorium Levi, 1963 (Theridiidae) 582, f. 241-243 (Df), Theridion isorium Original description
Theridion plaumanni Levi, 1963 (Theridiidae) 583, f. 244-248 (Dmf), Theridion plaumanni Original description
Theridion baltasarense Levi, 1963 (Theridiidae) 584, f. 252-253 (Df), Theridion baltasarense Original description
Theridion pigrum Keyserling, 1886 (Theridiidae) 584, f. 254-255 (f), Theridion pigrum
Theridion zonarium Keyserling, 1884 (Theridiidae) 584, f. 249-251 (f), Theridion zonarium
Theridion agrarium Levi, 1963 (Theridiidae) 585, f. 256-257 (Df), Theridion agrarium Original description
Theridion weyrauchi Levi, 1963 (Theridiidae) 585, f. 260-262 (Df), Theridion weyrauchi Original description
Theridion cochrum Levi, 1963 (Theridiidae) 586, f. 266-269 (Df), Theridion cochrum Original description
Theridion micheneri Levi, 1963 (Theridiidae) 586, f. 263-265 (Df), Theridion micheneri Original description
Theridion topo Levi, 1963 (Theridiidae) 587, f. 270-272 (Df), Theridion topo Original description
Theridion lago Levi, 1963 (Theridiidae) 588, f. 273-275 (Df), Theridion lago Original description

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