Data are presented on the discovery of a large number of undisturbed colonies of mound building ants and the ecological conditions of their development.
Proceedings of the Iowa Academy of Science
©1970 Iowa Academy of Science, Inc.
Christensen, C. L. and Quick, K. M.
"Report on Formica exsectiodes Forel in Hamilton County,"
Proceedings of the Iowa Academy of Science, 77(1), 207-209.
Available at: https://scholarworks.uni.edu/pias/vol77/iss1/31