• Unnecessary replacement name for Bothroponera ilgii Forel, 1910c
• Subspecies of Bothroponera crassa: Hita Garcia et al., 2013: 220.
• Junior synonym of Boltonopone crassior: Joma & Mackay, 2017: 17 (error).
• [Note: Bothroponera ilgii has priority over Bothroponera crassior, therefore Bothroponera crassa gamzea is a junior synonym of Bothroponera ilgii.]
• Junior synonym of Boltonopone ilgii: Forel, 1910c: 244; Fisher et al., 2025: 326.

Obsolete combinations

• Bothroponera crassa gamzea

Citations

• Fisher, B. L.; Branstetter, M. G.; Blaimer, B. B.; Borowiec, M. L.; Camacho, G. P.; Doré, M; Ward, P. S.; Longino, J. T. 2025. A genus-level classification of the ant subfamily Ponerinae (Hymenoptera, Formicidae). ZooKeys 1264:281-349. [online early] 10.3897/zookeys.1264.173399 PDF
• Forel, A. 1910c. Ameisen aus der Kolonie Erythräa. Gesammelt von Prof. Dr. K. Escherich (nebst einigen in West-Abessinien von Herrn A. Ilg gesammelten Ameisen). Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 29:243-274. PDF
• Hita Garcia, F.; Wiesel, E.; Fischer, G. 2013. The ants of Kenya (Hymenoptera: Formicidae)—faunal overview, first species checklist, bibliography, accounts for all genera, and discussion on taxonomy and zoogeography. Journal of East African Natural History 101 (2):127-222. PDF
• Joma, A. M. A.; Mackay, W. P. 2017. Revision of the African ants of the Bothroponera sulcata species complex (Hymenoptera: Formicidae: Ponerinae). Transactions of the American Entomological Society 143:7-71. PDF
• Özdikmen, H. 2010c. New names for some preoccupied specific and subspecific epithets in the family Formicidae (Hymenoptera). Munis Entomology and Zoology 5 (supplement):986-1000. PDF