Pristavko V. P., Zhukovets E. M., 1987: Spiders (Aranei) as an object of ecological monitoring in the Berezinskij nature reserve. 6 pp. (in Russian). Entomologitsheskoe obozrenie 66(1): 184-189.

 Prisyazhnyuk V. A., Stworzewicz E., 1995: Notes on the genera Carychiopsis Sandberger, 1872 and Carychium O. F. Müller, 1774 (Gastropoda Pulmonata: Ellobiidae) from the neogene of Europe. 4 pp. Acta zoologica cracoviensia 38(2): 267-270.

 Próchniewicz M., 1994: The jumping spiders of the Ethiopian region. Part I. New genus Langelurillus gen. n. (Araneae, Salticaidae) from Kenya. 5 pp. [ARA 1011] Annales Zoologici 45/1: 27-31

 Próchniewicz M., Heciak S., 1994: The jumping spiders of teh Ethiopian region. Part II. New species of Aelurillus, Langona, Phlegra, Stenaelurillus (Araneae, Salticidae) from Kenya and Tanzania. 9 pp. [ARA 1012] Annales Zoologici 45/2: 33-41

 Prockow M., 1997: Shell variation in some populations of Trichia hispida (L.) from Poland (Gastropoda: Pulmonata: Helicidae). 31 pp. Genus 8(3-4): 765-795.

 Prokop R. J., Petr V., 1986: Revision of superfamily Melocrinitacea D’orbigny, 1852 (Crinoidea, Camerata) in silurian and devonian of Bohemia. 32 pp. Acta Musei Nationalis Pragae 42B(3-4): 197-228.

 Prokop R. J., Petr V., 1987: Marhoumacrinus legrandi, gen. et sp. n. (Crinoidea, Camerata) from Upper Silurian – lowermost Devonian of Algeria. 22 pp. Acta Musei Nationalis Pragae 43B(1): 1-22.

 Prokop R. J., Petr V., 1997: The genus Pygmaeocrinus Bouška, 1947 (Crinoidea, Inadunata) in the Devonian of the Barrandian Area (Czech Republic). 18 pp. Acta Musei Nationalis Pragae 53B(1-2): 1-18.

 Prokopič J., Bílý S., 1975: Beetles (Coleoptera) as new intermediate hosts of helminths. 7 pp. Věstník Československé spol. zoologické (Praha) 39: 224-230.

 Prokopič J., Křivanec K., 1975: Helminths of amphibians, their interaction and host-parasite relationships. 5 pl., 48 pp. Acta Scientiarum Naturalium Academiae Scientiarium Bohemoslovacae Brno (N.S.) 9(3): 1-48.

 Pronzato R., Manconi R., 2001: Atlas of European freshwater sponges. 62 pp. Ann. Mus. civ. St. nat. Ferrara 4: 3-64.

 Prószynski J., 1961: Pajaki Góry Natowej w Puszczy Kampinoskiej. 41 pp. Fragmenta Faunistica 8/35: 555-595.

 Prószynski J., 1962: Pajaki lesnictwa Zawada nad Notecia. 10 pp. Fragmenta Faunistica 10/13: 205-214.

 Proszynski J., 1971: Catalogue of Salticidae (Aranei) specimens kept in major collections of the world. 153 pp. Annales Zoologici 28/17: 367-520

 Proszynski J., 1978: Ergebnisse der Bhutan-Expedition 1972 des Naturhistorischen Museums in Basel. Araneae: Fam. Salticidae, Genera Aelurillus, Langona, Phlegra and Cyrba. 15 pp Entomologica Basiliensia 3: 7-21.

 Prószyński J., 1983: Redescriptions of types of Oriental and Australian Salticidae (Aranea) in the Hungarian Natural History Museum, Budapest. 15 pp. [78493] Folia Entomologica Hungarica (S.N.) 44(2): 283-297.

 Prószynski J., 1985: On Siler, Silerella, Cyllobelus and Natta (Araneae, Salticidae). 17 pp. Annales Zoologici 39/2: 69-85

 Prószýnski J., 1989: Salticidae (Araneae) of Saudi Arabia. 34 pp. Fauna of Saudi Arabia 10: 31-64.

 Prószynski J., 1992: Salticidae (Araneae) of India in the collection of the Hungarian National Natural History Museum in Budapest. 113 pp. Annales Zoologici 44/9: 165-277

 Prószyński J., 1993: Salticidae (Araneae) of Saudi Arabia II. 28 pp. [78085] Fauna of Saudi Arabia 13: 27-54.

 Prószynski J., Zabka M., 1983: Genus Tomocyrba (Aranei, Salticidaei) - hypothetic survivor of the Amber fauna. Systematic study with description of four new species. 16 pp. [M14] 

 Prószynski J., Zochowska K., 1981: Redescriptions of the O. P. – Cambridge Salticidae (Araneae) types from Yarkand, China. 23 pp. [78499] Polskie Pismo Entomologiczne 51: 13-35.

 Prpic N.-M., 2001: A new species of Loxosoma from north-western Finistére, France (Spiralia, Kamptozoa (= Entoprocta), Solitaria, Loxosomatidae). 6 pp. Spixiana 24(2): 97-102.

 Prunesco C., 1965: Contributions a la connaissance du groupe d’especes Lithobius (Monotarsobius) microps Meinert, L. (M.) burzenlandicus (Verhoeff) et L. (M.) sciticus n. sp. (Chilopoda, Lithobiomorpha). 9 pp. Acta zoologica cracoviensia 10/6: 506-513.

 Prunesco C., 1966: Groupe des espéces Lithobius punctulatus C. Koch – Lithobius matici nom. nov. (Chilopoda) en Europe. 17 pp. Acta zoologica cracoviensia 11/3: 51-62.

 Prunescu-Arion E., 1968: Contributions to the study of bentonic fauna of certain rivers of the zone of the future Portile de Fier dam lake.19 pp. 

 Pulpán, Verner, 1964: Control of Tyroglyphoid mites in stored grain by the predatory mite Cheyletus eruditus (Schrank). 16 pp. 

 Pulpán, Verner, 1965: Roztoči škodící v mlékárenském průmyslu na tvrdých sýrech a jejich hubení. 24 pp. 

 Pulpán, Verner, Fingl, Plaček, 1964: Roztoči ve skladovaných sýrech v mlékárenském průmyslu. 27 pp. 

 Purrini K., 1981: Studies on some Amoebae (Amoebida) and Helicosporidium parasiticum (Helicosporida) infecting moss-mites (Oribatei, Acarina) in forest soil samples. 9 pp. 

 Putman W. L., 1959: Hibernation sites of phytoseeiids (Acarina: Phytoseiidae) in ontario peach orchards. 7 pp. 

 Putman W. L., 1970: Occurrence and transmission of a virus disease of the European red mite, Panonychus ulmi. 18 pp. 

 Puylaert F., 1977: Vermes: Nématodes parasites de Vertébrés. Pp. 515-518. In: La faune terrestre de l’ile de Sainte-Helene. Quatriéme partie. 4 pp. Ann. Mus. Roy. Afr. Centr. Zool. 220: 1-575.

 Qu D., Maeta Y., Goubara M. Nakatsuka K. J., Kitamura K., 2002: Reproductive strategy in the two species of cleptoparasitic astigmatid mites, Chaetodactylus nipponicus and Tortonia sp. (Acari: Chaetodactylidae and Suidasiidae), infesting Osmia corniforns (Hymenoptera: Megalichilidae). I. Invasion / infestation patterns and partitive use of the host food. 21 pp. (in Japanese). [HYM 4792] Japanese Journal of entomology. (N.S.) 5(4): 121-141.

 Qu D.-C., Maeta Y., Nakatsuka K. J., Kitamura K., Goubara M., 2003: Reproductive strategy in the two species of cleptoparasitic astigmatid mites, Chaetodactylus nipponicus and Tortonia sp. (Acari: Chaetodactylidae and Suidasiidae), infesting Osmia cornifrons (Hymenoptera: Megachilidae). II. Life history, phoretic positions, development and reproductivity. 19 pp. (in Japanese). [78809] Japanese Journal of entomology. (N. S.) 6(2): 55-73.

 Quiróz M., Poleo N., Petit Y., 2002: Evolución del dano en el ápice del fruto de guayaba, Psidium guajava L., causado por Brevipalpus phoenicis (Geijskes) (Acari: Tenuipalpidae). [Development of the apical tip damage of guava fruit, Psidium guajava L., caused by Brevipalpus phoenicis (Geijskes) (Acari: Tenuipalpidae).] 6 pp. Entomotropica 17(1): 91-96.

 Raatikainen M., Huhta V., 1968: On the spider fauna of Finnish oat fields. 8 pp. 

 Rack G., 1983: Beschreibung einer in Thailand an Speisepilzen (Auricularia polytricha) schädlichen milbe, Luciaphorus perniciosus sp. n. (Acari, Tarsonemina, Pygmephoridae). 8 pp. [ARA 1426] Folia Entomologica Hungarica (S.N.) 44(1): 139-146.

 Rack G., Mahunka S., 1993: Bibliographia Tarsonemidologica XII (1990 – 1992). 8 pp. [ARA 1596] Folia Entomologica Hungarica (S.N.) 54: 115-122.

 Rack G., Mahunka S., 1996: Bibliographia Tarsonemidologica XIII (1993-1995). 10 pp. [ARA 1597] Folia Entomologica Hungarica (S.N.) 57: 227-236.

 Radford C. D., 1950: The mites (Acarina) parasitic on mammals, birds and reptiles. 29 pp. 

 Radford C. D., 1953: The mites (Acarina: Analgesidae) living on or in the feathers of birds. 32 pp. 

 Radford C. D., 1954: A new larval mite from Eritrea (Acrina: Trombiculidae). 4 pp. 

 Radford C. D., 1954: Observations on the fur mites (Acarina Myobiidae). 11 pp. 

 Radford C. D., 1954: Some mites of Yemen. Collected by the medical mission of the United States Naval medical research unit No. 3. 19 pp. 

 Radford C. D., 1954: The larval genera and species of “Harvest mites” (Acarina: Trombiculidae). 30 pp. 

 Radford C. D., 1955: Riviste sintetiche. Acarology - or the study of mites (Acarina). 18 pp. 

 Rafalski J., 1954: Wystepowanie w Polsce kleszczy Argas vespertilionis Latr. i Argas reflexus Fabr. (Arachnida, Ixodoidea). 4 pp. [ARA 186] Polskie Pismo Entomologiczne 24: 165-168.

 Rafalski J., 1958: A description of Siro carpaticus sp. n. with remarks on the morphology and systematics of the Cyphophthalmi (Opiliones). 36 pp. Acta zoologica cracoviensia 2/23: 521-556.

 Rafalski J., 1966: Materialy do znajomosci fauny mechowców (Acari, Oribatei) Polski. I. 26 pp. Fragmenta Faunistica 12/21: 347-372