MacKay, W.; MacKay, E. 2008. [New species Gnamptogenys andersoni attributed to Mackay & Mackay]. P. 75 in: Lattke, J. E.; Fernández, F.; Arias-Penna, T. M.; Palacio, E. E.; MacKay, W.; MacKay, E. 2008. Género Gnamptogenys Roger. Pp. 66-100 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp. PDF

Mackay, W. P.; MacKay, E. E.; Fernández, F.; Arias-Penna, T. M. 2008. Género Pachycondyla (pp. 170-200); Género Platythyrea (pp. 206-209); Género Thaumatomyrmex (pp. 210-212). Pp. 170-212 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp. PDF

Mackay, W. P.; MacKay, E. 2008a. [Untitled. New species of Gnamptogenys attributed to Mackay and Mackay.]. Pp. 78, 80-81 and 84-85 in: Lattke, J. E.; Fernández, F.; Arias-Penna, T. M.; Palacio, E. E.; MacKay, W.; MacKay, E. 2008. Género Gnamptogenys Roger. Pp. 66-100 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp. PDF

Mackay, W. P.; Mackay, E. 2008b. Revision of the ants of the genus Simopelta Mann. Pp. 285-328 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp. PDF

Del Toro, I.; Pacheco, J. A.; MacKay, W. P. 2009. Revision of the ant genus Liometopum (Hymenoptera: Formicidae). Sociobiology 53:299-369. PDF

Del Toro, I.; Vázquez, M.; MacKay, W. P.; Rojas, P.; Zapata-Mata, R. 2009. Hormigas (Hymenoptera: Formicidae) de Tabasco: explorando la diversidad de la mirmecofauna en las selvas tropicales de baja altitud. Dugesiana 16:1-14. PDF

Mackay, W. P.; Delsinne, T. 2009. A new species of carpenter ant (Hymenoptera: Formicidae: Camponotus) from Paraguay with a key to the New World members of the maculatus species complex. Sociobiology 53:487-498. PDF

MacKay, W. P.; MacKay, E. 2010. The systematics and biology of the New World ants of the genus Pachycondyla (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, xii + 642 pp. PDF

MacKay, W. P.; Serna, F. 2010. Two new species of the strigatus species complex of the ant genus Cyphomyrmex (Hymenoptera: Formicidae) from Costa Rica and Panamá. Journal of Hymenoptera Research 19:44-50. PDF

Serna, F.; MacKay, W. 2010. A descriptive morphology of the ant genus Procryptocerus (Hymenoptera: Formicidae). Journal of Insect Science 10 (Article 111):1-36. PDF

Vazquez, M.; Dash, S. T.; Mackay, W. P. 2010. Description of the gyne of the ant Thaumatomyrmex ferox Mann, 1922 (Hymenoptera: Formicidae). Entomologica Americana 116 (3/4):25-28. 10.1664/10-RA-003.1 PDF

Mackay, W. P.; Sola, F. J.; Josens, R. 2011. A new shield-faced ant of the genus Pheidole (Hymenoptera: Formicidae: aberrans group) from Argentina. Transactions of the American Entomological Society 137:297-305. PDF

Serna, F.; Bolton, B.; Mackay, W. 2011. On the morphology of Procryptocerus (Hymenoptera: Formicidae). Some comments and corrigenda. Zootaxa 2923:67-68. PDF

Delsinne, T.; Mackay, W. 2011. [New species attirbuted to Delsinne and Mackay]. Pp. 2-4 in: Delsinne, T.; Mackay, W.; Wild, A.; Roisin, Y.; Leponce, M. 2011. Distribution and diversity of the cryptic ant genus Oxyepoecus (Hymenoptera: Formicidae: Myrmicinae) in Paraguay with descriptions of two new species. Psyche 2012 Article ID 594302:8 pp. PDF

Mackay, W.; Delsinne, T. 2011. [New species of Oxyepoecus attributed to Mackay and Delsinne]. Pp. 5-6 in: Delsinne, T.; Mackay, W.; Wild, A.; Roisin, Y.; Leponce, M. 2011. Distribution and diversity of the cryptic ant genus Oxyepoecus (Hymenoptera: Formicidae: Myrmicinae) in Paraguay with descriptions of two new species. Psyche 2012 Article ID 594302:8 pp. PDF

Delsinne, T.; Mackay, W.; Wild, A.; Roisin, Y.; Leponce, M. 2011. Distribution and diversity of the cryptic ant genus Oxyepoecus (Hymenoptera: Formicidae: Myrmicinae) in Paraguay with descriptions of two new species. Psyche 2012 Article ID 594302:8 pp. 10.1155/2012/594302 PDF

Lenhart, P. A.; Dash, S. T.; Mackay, W. P. 2013. A revision of the giant Amazonian ants of the genus Dinoponera (Hymenoptera, Formicidae). Journal of Hymenoptera Research 31:119-164. PDF

Joma, A. M. A.; Mackay, W. P. 2013. A new species of Afrotropical ants in the genus Bothroponera (Hymenoptera: Formicidae: Ponerinae). Psyche 2013 Article ID 917847:8 pp. 10.1155/2013/917847 PDF

Moreno-Gonzalez, I.; Mackay, W. P.; Pacheco, J. A. 2013. Solenopsis impolita Moreno, Mackay & Pacheco, new species. Pp. 186-187 in: Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Mackay, W. P.; Moreno-Gonzalez, I.; Pacheco, J. A. 2013. Solenopsis whitfordi Pacheco, Mackay & Moreno, new species. Pp. 359-360 in: Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Pacheco, J. A.; Mackay, W. P.; Moreno-Gonzalez, I. 2013. Solenopsis pulleni Pacheco, Mackay & Moreno, new species. Pp. 280-281 in: Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Pacheco, J. A.; Mackay, W. P.; Moreno-Gonzalez, I. 2013. Solenopsis quadridentata Pacheco, Mackay & Moreno, new species. Pp. 285-287 in: Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Pacheco, J. A.; Mackay, W. P.; Moreno-Gonzalez, I. 2013. Solenopsis johnsoni Pacheco, Mackay & Moreno, new species. Pp. 193-195 in: Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Moreno-Gonzalez, I.; Mackay, W. P.; Pacheco, J. A. 2013. Solenopsis ocellata Moreno, Mackay & Pacheco, new species. Pp. 242-243 in: Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Pacheco, J. A.; Mackay, W. P. 2013. The systematics and biology of the New World thief ants of the genus Solenopsis (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 501 pp. PDF

Mackay, W. P.; Barriga, P. A. 2013. A new species of Neotropical carpenter ant in the genus Camponotus (Hymenoptera: Formicidae), apparently without major workers. Psyche 2012 (4) Article ID 382938:5 pp. 10.1155/2012/382938 PDF

Notes: The online version of this paper does not meet ICZN requirements of availability, but a hard copy of Psyche, Volume 2012, Part 4, in which this article appears, was received at the Canadian Agriculture Library, Ottawa on 14 May 2013. Hence year of publication appears to be 2013.

Mackay, W. 2013. Camponotus (Tanaemyrmex) reburrus Mackay n. sp. Pp. 2-5 in: Mackay, W. P.; Barriga, P. A. 2013. A new species of Neotropical carpenter ant in the genus Camponotus (Hymenoptera: Formicidae), apparently without major workers. Psyche 2012 (4) Article ID 382938:5 pp. PDF

Notes: The online version of this paper does not meet ICZN requirements of availability, but a hard copy of Psyche, Volume 2012, Part 4, in which this article appears, was received at the Canadian Agriculture Library, Ottawa on 14 May 2013. Hence year of publication appears to be 2013.

Joma, A. M. A.; Mackay, W. P. 2015. Revision of the African ants of the Bothroponera pumicosa species complex (Hymenoptera: Formicidae: Ponerinae). Sociobiology 62:538-563. 10.13102/sociobiology.v62i4.845 PDF

Mackay, W. P.; Dash, S. T. 2016. A revision of the phalangium species complex of the ant genus Aphaenogaster (Hymenoptera: Formicidae: Myrmicinae). Transactions of the American Entomological Society 142:1-22. 10.3157/061.142.0108 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