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Palomeque, T.; Chica, E.; Cano, M. A.; Díaz de la Guardia, R.; Tinaut, A. 1989 ("1988"). Cytogenetic studies in the genera Pheidole and Tetramorium (Hymenoptera, Formicidae, Mirmicinae). Caryologia 41:289-298.

Palomeque, T.; Chica, E.; Díaz de la Guardia, R. 1990. Karyotype, C-banding, chromosomal location of active nucleolar organizing regions, and B-chromosomes in Lasius niger (Hymenoptera, Formicidae). Genome 33:267-272.

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Pamilo, P. 1982. Multiple mating in Formica ants. Hereditas (Lund) 97:37-45.

Pamilo, P. 1983. Genetic differentiation within subdivided populations of Formica ants. Evolution 37:1010-1022.

Pamilo, P. 1987. Population genetics of the Formica rufa group. Pp. 68-70 in: Eder, J.; Rembold, H. (eds.) 1987. Chemistry and biology of social insects. München: Verlag J. Peperny, xxxv + 757 pp.

Pamilo, P. 1990. Sex allocation and queen-worker conflict in polygynous ants. Behavioral Ecology and Sociobiology 27:31-36.

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