File:McIver, J., Torgersen, T., Cimon, N. 1997. A supercolony of the thatch ant Formica obscuripes.pdf

McIver, J., T. Torgersen, N. Cimon. 1997. A supercolony of the thatch ant Formica obscuripes Forel (Hymenoptera: Formicidae) from the Blue Mountains of Oregon. Northwest Science, 71/1: 18-29.