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Pergande, T. 1900. Papers from the Harriman Alaska expedition. XVII. Entomological results (11): Formicidae. Proceedings of the Washington Academy of Sciences 2:519-521. PDF

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Pergande, T. 1894. Formicidae of Lower California, Mexico. Proceedings of the California Academy of Sciences (2)4:161-165. PDF

Notes: Article is likely to have been published shortly after the pagebase date of 17 May 1894. Whole volume issued 28 September 1894.

Pergande, T. 1896. Mexican Formicidae. Proceedings of the California Academy of Sciences (2)5:858-896. PDF

Notes: Pagebase date is 30 December 1895. Publication is likely to have occurred within a week or two of this date. Whole volume issued 18 January 1896.

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Notes: Pagebase date 19 September 1893 but article said to be "in press" in annual report for 1893 presented at the Academy meeting of 2 January 1894. Paper read by title at the Academy meeting of 6 November 1893. Whole volume issued 28 September 1894.

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Peregrine, D. J.; Mudd, A.; Cherrett, J. M. 1974 ("1973"). Anatomy and preliminary chemical analysis of the post-pharyngeal glands of the leaf-cutting ant, Acromyrmex octospinosus (Reich) (Hym., Formicidae). Insectes Sociaux 20:355-363.

Penev, S.; Ronchetti, G. 1965. Ricerche sulla distribuzione delle formiche del gruppo Formica rufa nella Bulgaria nord-orientale. Collana Verde 16:305-311.

Peeters, C.; Hölldobler, B. 1992. Notes on the morphology of the sticky "doorknobs" of larvae in an Australian Hypoponera sp. (Formicidae; Ponerinae). Psyche (Cambridge) 99:23-30.

Peeters, C.; Hölldobler, B. 1995. Reproductive cooperation between queens and their mated workers: the complex life history of an ant with a valuable nest. Proceedings of the National Academy of Sciences of the United States of America 92:10977-10979.

Notes: Reproductive biology of Harpegnathos saltator.

Peeters, C.; Crozier, R. H. 1989 ("1988"). Caste and reproduction in ants: not all mated egg-layers are "queens". Psyche (Cambridge) 95:283-288.

Peeters, C.; Higashi, S. 1989. Reproductive dominance controlled by mutilation in the queenless ant Diacamma australe. Naturwissenschaften 76:177-180.

Peeters, C.; Crewe, R. M. 1987. Foraging and recruitment in ponerine ants: solitary hunting in the queenless Ophthalmopone berthoudi (Hymenoptera: Formicidae). Psyche (Cambridge) 94:201-214. PDF

Peeters, C.; Crewe, R. M. 1985. Worker reproduction in the ponerine ant Ophthalmopone berthoudi: an alternative form of eusocial organization. Behavioral Ecology and Sociobiology 18:29-37. PDF

Peeters, C.; Crewe, R. M. 1986. Queenright and queenless breeding systems within the genus Pachycondyla (Hymenoptera: Formicidae). Journal of the Entomological Society of Southern Africa 49:251-255.

Peeters, C.; Billen, J. P. J.; Hölldobler, B. 1992. Alternative dominance mechanisms regulating monogyny in the queenless ant genus Diacamma. Naturwissenschaften 79:572-573.

Peeters, C. 1991a. The occurrence of sexual reproduction among ant workers. Biological Journal of the Linnean Society 44:141-152.

Peeters, C. 1991b. Ergatoid queens and intercastes in ants: two distinct adult forms which look morphologically intermediate between workers and winged queens. Insectes Sociaux 38:1-15.

Peeters, C.; Billen, J. P. J. 1991. A novel exocrine gland inside the thoracic appendages ('gemmae') of the queenless ant Diacamma australe. Experientia (Basel) 47:229-231.

Peeters, C. 1987. The diversity of reproductive systems in ponerine ants. Pp. 253-254 in: Eder, J.; Rembold, H. (eds.) 1987. Chemistry and biology of social insects. München: Verlag J. Peperny, xxxv + 757 pp.

Peeters, C. 1993. Monogyny and polygyny in ponerine ants with or without queens. Pp. 234-261 in: Keller, L. (ed.) 1993. Queen number and sociality in insects. Oxford: Oxford University Press, 451 pp. PDF

Peeters, C. 1984. Could the queenless ant Ophthalmopone berthoudi re-evolve a reproductive caste from its fertile workers? [Abstract.]. P. 515 in: XVII International Congress of Entomology 1984. Abstract Volume. Hamburg, Federal Republic of Germany, August 20-26, 1984. Hamburg: XVII International Congress of Entomology, 960 pp.

Pearson, B.; Child, A. R. 1980. The distribution of an esterase polymorphism in macrogynes of Myrmica rubra Latreille. Evolution 34:105-109.

Pearson, B. 1983. The classification of morphologically intermediate ants in the Lasius alienus/Lasius niger taxon. Further observations. Insectes Sociaux 30:100-105.

Pearson, B. 1984 ("1983"). Hybridisation between the ant species Lasius niger and Lasius alienus: the genetic evidence. Insectes Sociaux 30:402-411.

Pearson, B. 1981. The electrophoretic determination of Myrmica rubra microgynes as a social parasite: possible significance in the evolution of ant social parasites. Pp. 75-84 in: Howse, P. E.; Clement, J.-L. (eds.) 1981. Biosystematics of social insects. Systematics Association Special Volume No. 19. London: Academic Press, 346 pp.