Melissodes crenulaticornis Cockerell, 1898:454, ♂. ♂, Prude's Summit, Ruidoso, New Mexico, July 29, 1898 (leg. C.M. Barber); LaBerge, 2001LaBerge, W.E. 2001. Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae). Illinois Natural History Survey Bulletin 36 (1-3):67-162.:115, Holotype ♂ (USNM, No. 58,517). - As Tetraloniella crenulaticornis: - LaBerge, 2001LaBerge, W.E. 2001. Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae). Illinois Natural History Survey Bulletin 36 (1-3):67-162. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution).
Melissodes crenulaticornis maculata Cockerell, 1898:455, no description.Big Rock, Ruidoso, July 27 and 29 (leg. C.H.T. Townsend); LaBerge, 2001LaBerge, W.E. 2001. Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae). Illinois Natural History Survey Bulletin 36 (1-3):67-162.:115, Holotype ♂, the type specimen was not located. - LaBerge, 2001LaBerge, W.E. 2001. Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae). Illinois Natural History Survey Bulletin 36 (1-3):67-162.:114 ( listed as synonym of Tetraloniella crenulaticornis (Cockerell, 1898)).
Synhalonia fuscotincta Cockerell, 1905:178, ♀. ♀, Oak Creek Canyon, Arizona, 6,000 feet, August (leg. F.H. Snow); LaBerge, 2001LaBerge, W.E. 2001. Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae). Illinois Natural History Survey Bulletin 36 (1-3):67-162.:115, Holotype ♀ (SECK). Synonymized with Tetraloniella crenulaticornis (Cockerell, 1898) by LaBerge, 2001LaBerge, W.E. 2001. Revision of the bees of the genus Tetraloniella in the New World (Hymenoptera: Apidae). Illinois Natural History Survey Bulletin 36 (1-3):67-162.:114.