King, R. L. 1948. A tropical ant temporarily established in Iowa. Proceedings of the Iowa Academy of Science 55:395.

Enzmann, E. V. 1952. Woitkowskia, a new genus of army ants. Proceedings of the Iowa Academy of Science 59:442-447. PDF

King, R. L.; Sallee, R. M. 1952. Macropseudogynes (or pterergates?) in Formica fossaceps Buren (Formicidae). Proceedings of the Iowa Academy of Science 59:469-474.

King, R. L. 1955. Winged workers in the ant, Formica obscuriventris clivia Creighton. Proceedings of the Iowa Academy of Science 62:509-513.

King, R. L.; Sallee, R. M. 1959. Formica fossaceps Buren and Formica obscuriventris clivia Creighton as slaves of Formica rubicunda Emery. Proceedings of the Iowa Academy of Science 66:472-473.

King, R. L.; Sallee, R. M. 1965. Notes on Iowa ants. Proceedings of the Iowa Academy of Science 71:484-485.

Petralia, R. S.; Haut, C. F. 1986. Morphology of the labial gland system of the mature larva of the black carpenter ant, Camponotus pennsylvanicus (DeGeer). Proceedings of the Iowa Academy of Science 93:16-20.