Taxa included

Abalos, J. W. (1980). Las arañas del género Latrodectus en la Argentina. Obra del Centenário del Museu de La Plata 6: 29-51.

Taxon
Latrodectus mactans (Fabricius, 1775) (Theridiidae) 31, f. 14-16 (mf), Latrodectus mactans
Latrodectus mirabilis (Holmberg, 1876) (Theridiidae) 31, f. 1-13, 21 (mf, removed from S of L. mactans), Latrodectus mirabilis
Latrodectus diaguita Carcavallo, 1960 (Theridiidae) 38, f. 24-30 (mf, removed from S of Latrodectus mactans, rejecting Gerschman & Schiapelli, 1965c: 57), Latrodectus diaguita
Latrodectus corallinus Abalos, 1980 (Theridiidae) 39, f. 19, 31-37 (Dmf), Latrodectus corallinus Original description
Latrodectus quartus Abalos, 1980 (Theridiidae) 41, f. 20, 22-23, 38-44 (Dmf), Latrodectus quartus Original description
Latrodectus antheratus (Badcock, 1932) (Theridiidae) 43, f. 18, 45-55, (mf, removed from S of Latrodectus curacaviensis, rejecting Levi, 1959c: 38, S of Latrodectus carteri and L. flavodorsatus, S of L. cretaceus confirmed; L. carteri, L. cretaceus and L. flavodorsatus removed from S of L. curacaviensis, rejecting Levi, 1959c: 38), Latrodectus antheratus
Latrodectus curacaviensis (Müller, 1776) (Theridiidae) 46, f. 56 (f), Latrodectus curacaviensis
Latrodectus variegatus Nicolet, 1849 (Theridiidae) 47, f. 57-64, (mf, removed from S of Latrodectus mactans, rejecting F. O. Pickard-Cambridge, 1902a: 378, and of L. curacaviensis, rejecting Levi, 1959c: 38), Latrodectus variegatus
Latrodectus geometricus C. L. Koch, 1841 (Theridiidae) 49, f. 17, 65-68, (mf, S of Latrodectus distinctus, removed from S of L. curacaviensis, rejecting Levi, 1959c: 39), Latrodectus geometricus

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