Solenopsis helena Emery, 1895 - Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501. (distribution); AntWeb, 2023AntWeb 2023. Ants. . (distribution).
Solenopsis schmalzi Forel, 1901:297 Synonymized with Solenopsis helena Emery, 1895 by Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501.:179.
Solenopsis schmalzi flaveolens Forel, 1901:298 Synonymized with Solenopsis helena Emery, 1895 by Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501.:179.
Solenopsis hammari Mayr, 1903:400 Synonymized with Solenopsis helena Emery, 1895 by Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501.:179.
Solenopsis hammari carhuensis Forel, 1912:8 Synonymized with Solenopsis helena Emery, 1895 by Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501.:179.
Solenopsis helena hermione Wheeler, 1921 Synonymized with Solenopsis helena Emery, 1895 by Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501.:179. - Fernández & Sendoya, 2004Fernández, F. & S. Sendoya 2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana 5 (1):3-93. (distribution).
Solenopsis helena ultrix Wheeler, 1921 Synonymized with Solenopsis helena Emery, 1895 by Pacheco & Mackay, 2013Pacheco, J.A. & W.P. Mackay 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). The Edwin Mellen Press, Lewiston, New York and Queenston, Ontario. 1-501.:179. - Fernández & Sendoya, 2004Fernández, F. & S. Sendoya 2004. List of Neotropical ants (Hymenoptera: Formicidae). Biota Colombiana 5 (1):3-93. (distribution).