The Spider Cytogenetic Database

Current version: 12.5 (Feb 29, 2024)

Douglas Araujo, Marielle Cristina Schneider, Emygdio Paula-Neto and Doralice Maria Cella​
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See all families
Bibliography
Theridiidae  Sundevall, 1833

Cited as = species name adopted by the researcher that performed the cytogenetic analysis; 2n = diploid number of males and in parenthesis, diploid number of females; n = haploid number; 3n = triploid number; 4n = tetraploid number; SCS = sex chromosome system; T = telocentric; A = acrocentric; St = subtelocentric; Sm = submetacentric; M = metacentric; H = holocentric; S = supernumerary chromosome; (?) = dubious description; (*) = designation of the species name not recorded in the taxonomic database.

Valid name Cited as 2n SCS Chromosomal morphology Collection site Bibliography
Achaearanea budana Tikader, 1970 ---- 22 X1X2 ---- India Datta & Chatterjee, 1983
Anelosimus crassipes (Bösenberg & Strand, 1906) Enoplognatha foliicola 22 X1X2 20A+X1X2A Japan Suzuki, 1954
Anelosimus crassipes (Bösenberg & Strand, 1906) ---- 22 X1X2 20A/T+X1X2A/T Japan Kageyama & Seto, 1979
Anelosimus domingo Levi, 1963 ---- 22 X1X2 20A+X1X2A Ecuador Avilés & Maddison, 1991
Anelosimus domingo Levi, 1963 ---- 22 X1X2 ---- Ecuador Avilés et al., 2000
Anelosimus eximius (Keyserling, 1884) ---- 22 X1X2 20A+X1X2A Ecuador Avilés & Maddison, 1991
Anelosimus jucundus (O.Pickard-Cambridge, 1896) ---- 22 X1X2 20A+X1X2A Ecuador Avilés & Maddison, 1991
Anelosimus oritoyacu Agnarsson, 2006 ---- 22 X1X2 ---- Ecuador Avilés & Purcell, 2011
Anelosimus studiosus (Hentz, 1850) ---- 22 X1X2 20A+X1X2A Ecuador Avilés & Maddison, 1991
Anelosimus studiosus (Hentz, 1850) ---- 22+1S X1X2 20A+X1X2A Ecuador Avilés & Maddison, 1991
Argyrodes cf. convivans Lawrence, 1937 ---- 21 X 20A+XA South Africa Šťáhlavský et al., 2020
Argyrodes cyrtophorae Tikader, 1963 Argyrodes cyrtophore 22 X1X2 ---- India Datta & Chatterjee, 1983
Argyrodes elevatus Taczanowski, 1873 ---- 21 X 21M/Sm Brazil Stávale et al., 2010
Argyrodes gazedes Tikader, 1970 ---- 22 X1X2 ---- India Datta & Chatterjee, 1983
Argyrodes gazingensis Tikader, 1970 ---- 24 X1X2 ---- India Datta & Chatterjee, 1983
Argyrodes sp. ---- 22 X1X2 ---- India Datta & Chatterjee, 1983
Argyrodes sp. ---- 22 X1X2 ---- India Datta & Chatterjee, 1983
Argyrodes sp. ---- 21 X 20A+XA South Africa Šťáhlavský et al., 2020
Ariamnes cylindrogaster Simon, 1889 ---- 22 X1X2 ---- ---- Suzuki, 1950a
Ariamnes cylindrogaster Simon, 1889 ---- 22 X1X2 20A+X1X2A Japan Suzuki, 1954
Chrysso scintillans (Thorell, 1895) Chrysso venusta 24 X1X2 22A/T+X1X2A/T Japan Kageyama & Seto, 1979
Coleosoma floridanum Banks, 1900 ---- 22 X1X2 20T+X1X2T Brazil Dutra et al., 2023
Crustulina guttata (Wider, 1834) ---- 22 X1X2 20A+X1X2A Finland Suzuki, 1954
Enoplognatha caricis (Fickert, 1876) Enoplognatha japonica 22 X1X2 20A/T+X1X2A/T Japan Kageyama & Seto, 1979
Enoplognatha ovata (Clerck, 1757) Theridium ovatum 22 X1X2 ---- ---- Sokolov, 1960
Latrodectus gr. curacaviensis ---- 26 X1X2 24A/T+X1X2A/T Brazil Araujo et al., 2010
Latrodectus geometricus C.L. Koch, 1841 ---- 17 X 16A/T+XA/T USA Zhao et al., 2010
Latrodectus hesperus Chamberlin & Ivie, 1935 ---- 26 X1X2 24A/T+X1Sm+X2A/T USA Zhao et al., 2010
Latrodectus hesperus Chamberlin & Ivie, 1935 ---- 26+1-2S X1X2 24A/T+X1Sm+X2A/T+1-2T USA Zhao et al., 2010
Latrodectus mactans (Fabricius, 1775) ---- 26 X1X2 ---- USA Ault et al., 2017
Nesticodes rufipes (Lucas, 1846) ---- 22 X1X2 20A+X1X2A Brazil Stávale et al., 2010
Nesticodes rufipes (Lucas, 1846) ---- 24 X1X2 22A+X1X2A Brazil Stávale et al., 2010
Nihonhimea japonica (Bösenberg & Strand, 1906) Theridion japonicum 22 X1X2 20A/T+X1X2A/T Japan Kageyama & Seto, 1979
Parasteatoda tepidariorum (C.L. Koch, 1841) Theridium tepidariorum 24 ---- ---- USA Montgomery, 1907
Parasteatoda tepidariorum (C.L. Koch, 1841) Theridium tepidariorum 22 X1X2 20A+X1X2A Finland Hackman, 1948
Parasteatoda tepidariorum (C.L. Koch, 1841) Theridium tepidariorum 22 X1X2 20A+X1X2A Japan Suzuki, 1954
Parasteatoda tepidariorum (C.L. Koch, 1841) Theridium tepidariorum 22 X1X2 20A+X1X2A ---- Diaz & Saez, 1966
Parasteatoda tepidariorum (C.L. Koch, 1841) Theridion tepidariorum 22 X1X2 20A+X1X2A ---- Igarashi & Kondo, 1977
Parasteatoda tepidariorum (C.L. Koch, 1841) Achaearanea tepidariorum 22 X1X2 20A/T+X1X2A/T Japan Kageyama & Seto, 1979
Parasteatoda tepidariorum (C.L. Koch, 1841) Achaearanea tepidariorum 22 X1X2 20A/T+X1X2A/T China Youju et al., 1995
Parasteatoda tepidariorum (C.L. Koch, 1841) Achaearanea tepidariorum 22 X1X2 ---- Taiwan Chen, 1999
Platnickina sterninotata (Bösenberg & Strand, 1906) Theridium sterninotatum 22 X1X2 20A+X1X2A Japan Suzuki, 1954
Steatoda bipunctata (Linnaeus, 1758) ---- 22 X1X2 20A+X1X2A Finland Hackman, 1948
Steatoda grossa (C.L. Koch, 1838) ---- 22 X1X2 20A+X1X2A Russia Gorlov et al., 1995
Steatoda triangulosa (Walckenaer, 1802) ---- 22 X1X2 ---- USA Tugmon et al., 1990
Steatoda triangulosa (Walckenaer, 1802) Steotoda triangulosa 26 X1X2 ---- Turkey Taşdemir et al., 2012
Takayus chikunii (Yaginuma, 1960) Theridion chikunii 22 X1X2 20A/T+X1X2A/T Japan Kageyama & Seto, 1979
Takayus latifolius (Yaginuma, 1960) Theridion latifolium 22 X1X2 20A/T+X1X2A/T Japan Kageyama & Seto, 1979
Theridion pictum (Walckenaer, 1802) ---- 29 X ---- Turkey Taşdemir et al., 2012
Theridion pictum (Walckenaer, 1802) ---- (23) X ---- Turkey Taşdemir et al., 2012
Theridion cf. purcelli O. Pickard-Cambridge, 1904 ---- 22 X1X2 20A+X1X2A South Africa Šťáhlavský et al., 2020
Theridion sp. ---- 22 X1X2 ---- India Srivastava & Shukla, 1986
Thymoites sp1. ---- 22 X1X2 20T+X1X2T Brazil Dutra et al., 2023
Thymoites sp2. ---- 22 X1X2 20T+X1X2T Brazil Dutra et al., 2023