Included taxa
Chamberlin, R. V. & Ivie, W. (1935a). The black widow spider and its varieties in the United States. Bulletin of the University of Utah 25(8): 1-29. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Latrodectus hesperus | Theridiidae | 15, f. 1, 4, 6-14, 21, 23-33 (Dmf) | Latrodectus mactans hesperus |
| Latrodectus hesperus | Theridiidae | 14, f. 3, 15-18 (Dmf) [urn:lsid:nmbe.ch:spidersp:062460] | Latrodectus mactans texanus |
Genera
No genus found for this reference