1. Anderson, C. and McShea, D.W., Intermediate-level parts in insect societies: adaptive structures that ants build away from the nest, Insectes Soc., 2001, vol. 48, p. 291.
2. Bachem, I. and Lamprecht, I., The hill of the red wood ants Formica polyctena as a model of an ecological system, Zh. Obshch. Biol., 1983, vol. 44, no. 1, p. 114.
3. Berman, D.I., Alfimov, A.V., Zhigulskaya, Z.A., and Leirikh, A.N., Zimovka i kholodoustoichivost’ murav’ev na severo-vostoke Azii (Overwintering and Cold Resistance of Ants in Northeastern Asia), Moscow: KMK Scientific Press, 2007.
4. Brian, M.V., Serial organization of brood in Myrmica, Insectes Soc., 1957, vol. 4, no. 3, p. 178.
5. Burgov, E.V., The multispecies formicary association: the transition from an incomplete to a complete association, Entomol. Rev., 2015, vol. 95, no. 8, p. 1010.