Taxa included

Levi, H. W. (1969). Notes on American theridiid spiders. Psyche, Cambridge 76(1): 68-73. doi: 10.1155/1969/15815

Taxon
Theridion arizonense Levi, 1957 (Theridiidae) 68, f. 1-4 (f, Dm), Theridion arizonense
Theridion cochise Levi, 1963 (Theridiidae) 69, f. 5-8 (m, Df), Theridion cochise
Theridion bisignatum (Mello-Leitão, 1945) (Theridiidae) 70, f. 9-12 (f), Theridion melanosternum
Tidarren haemorrhoidale (Bertkau, 1880) (Theridiidae) 71, (Tf from Theridion, Sm), Tidarren haemorrhoidale
Tidarren maculosum (Keyserling, 1884) (Theridiidae) 71, (probable S of Tidarren fordum = T. haemorrhoidale), Tidarren maculosum
Latrodectus hesperus Chamberlin & Ivie, 1935 (Theridiidae) 72, (S, rejected), Latrodectus variolus
Tidarren sisyphoides (Walckenaer, 1841) (Theridiidae) 72, (S), Tidarren sisyphoides

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