Pressick, M. L.; Herbst, E. 1973. Distribution of ants on St. John, Virgin Islands. Caribbean Journal of Science 13:187-197.
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Preuss, G. 1956. Zum Vorkommen bemerkenswerter Ameisen in Schleswig-Holstein. Faunistische Mitteilungen aus Norddeutschland 1(7):9-12.
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Petrov, I. Z. 1992. Myrmecofauna (Formicidae, Hymenoptera) of Serbia - up to now investigations. Glasnik Prirodnjackog Muzeja u Beogradu. Serija B. Bioloske Nauke 47:247-259.

Notes: Not seen. Cited in Zoological Record for 1994/1995.

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Petrov, I. Z. 1986b. Prilog poznavanju faune mrava (Formicidae, Hymenoptera) nekih hrastovih zajednica na Jastrepcu. Glasnik Prirodnjackog Muzeja u Beogradu. Serija B. Bioloske Nauke 41:109-114. PDF
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Picquet, N. 1958. Contribution à l'étude des larves de Formicidae de la Côte-d'Or. Travaux du Laboratoire de Zoologie et de la Station Aquicole Grimaldi de la Faculté des Sciences de Dijon 23:1-48.
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Piek, T. 1992. A toxinological argument in favour of the close relationship of Vespidae, Scoliidae, Tiphiidae, Mutillidae and Formicidae (Hymenoptera). Proceedings of the Section Experimental and Applied Entomology of the Netherlands Entomological Society 3:99-104.
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Pijoan, M. 1928. Formicidae of southern California. Journal of Entomology and Zoology 20:37-42. PDF
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Pisarski, B. 1953. Mrówki okolic Kazimierza. Fragmenta Faunistica (Warsaw) 6:465-500. PDF
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Pisarski, B. 1957. O wystepowaniu egzotycznych gatunków mrówek w Polsce. Fragmenta Faunistica (Warsaw) 7:283-288. PDF
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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.
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