Pesarini C., 1991: Primo contributo per una fauna araneologica del Ferrarese (Arachnida: Araneae) 30 pp. Quad. Studi Nat. Romagna 4: 5-34.
 
HYM 3052
Pesarini F., 1998: Tenthredella nympha, new species from Italy related to cunyi (Konow, 1886) (Hymenoptera: Tenhredinidae). 7 pp. Annali del Museo Civico di Storia Naturale di Ferrara 1: 69-75.
 
HYM 3053
Pesarini F., 1999: Taxonomical remarks on the European species of Pleroneura Konow, 1897 (Hymenoptera, Symphyta, Xyelidae). 6 pp. [M44] Annali del Museo Civico di Storia Naturale di Ferrara 2: 69-74.
 
MSI 80183
Pesarini F., Turrisi G. F., 2001: Contributo alla conoscenza dei sinfiti di Sicilia (Hymenoptera Symphyta). 39 pp. Memorie della Societá Entomologica Italiana 80: 183-221.
 
IMO 09482
Pesenko Yu. A., 1984: Pčely triby Nomioidini (Hymenoptera, Halictidae) fauny Mongolii: dopolnenija i utočnenija. 2 pp. [HYM 3057] Nasekomye Mongolii 9: 482-483.
 
EVE 569
Peskov V. M., Emelyanov I. G., 2000: Phentics and phenogeography of the water vole (Arvicola terrestris). 6 pp. Vestnik zoologii 34(3): 39-44.
 
PSC 74
Pessahna A. L. M., Araújo F. G., Azevedo M. C. C., Gomes I. D., 2000: Variacoes temporais e espaciais no composicao e estrutura da comunidade de peixes jovens da Baía de Sepetiba, Rio de Janeiro. 11 pp. Revta bras. Zool. 17(1): 251-261.
 
AGR 55
Petal J., 1983: The effect of mineral fertilization on biocoenotic structure and matter economy on meadows. 17 pp.
 
ARA 1414
Petanovic R., 1985: Studies on Eriophyid mites (Acarida: Eriophyoidea) of Yugoslavia, I. 6 pp.
 
HEM 3116
Petercord R., 2000: Induzierte Resistenz in der Wechselwirkung zwischen der Rotbuche (Fagus sylvatica L.) und der Buchenwollschildlaus (Dryptococcus fagisuga Lind.). 5 pp. (in German). Mitt. Dtsch. Ges. Allg. Angew. Ent. 12: 575-579.
 
BZB 62186
Peterhans J. C. K., Fahr J., Huhndorf M. H., Kaleme P., Plumptre A. J., Marks B. D., Kizungu R., 2013: Bats (Chiroptera) from the Albertine Rift, eastern Democratic Republic of Congo, with the description of two new species of the Rhinolophus maclaudi group. 17 pp. Bonn zoological Bulletin 62(2): 186-202.
 
BZB 62203
Peterhans J. C. K., Huhndorf M. H., Plumptre A. J., Hutterer R., Kaleme P., Ndara B., 2013: Mammals, other than bats, from the Misotshi-Kabogo highlands (eastern Democratic Republic of Congo), with the description of two new species (Mammalia: Soricidae). 17 pp. Bonn zoological Bulletin 62(2): 203-219.
 
EZS 080029
Peters D. S., 1970: Merkmalswertung und Systematik. 8 pp. [HYM 6888] Entomologische Zeitschrift 80(5): 29-36.
 
SPX S01
Peters G., 1978: Vergleichende Untersuchung zur Lautgebung einiger Feliden (Mammalia, Felidae). 206 pp. Spixiana suppl. 1: 1-206.
 
SCZ 062
Peters W. L., 1971: A revision of the Leptophlebiidae of the West Indies (Ephemeroptera). 48 pp. Smithsonian Contributions to Zoology
 
71722
Petersen B., 1966: The Noona Dan Expedition, 1961-62. Insects and other land arthropods. 22 pp. [M39]
 
ASC 56197
Petersen G., 1959: Revision der Gattung Obesoceras Pet. 1957 (Lepidoptera, Tineidae). 3 pp. [LEP 2650] Acta Societatis entomologicae Cechosloveniae 56: 197-199.
 
HEM 3117
Petersen G., Matthiesen C., Francke W., Wyss U., 2000: Einfluß des Blattlaus-Hyperparasitoiden Alloxysta victrix auf das Suchverhalten des Primärparasitoiden Aphidius uzbekistanicus. 4 pp. (in German). Mitt. Dtsch. Ges. Allg. Agnew. Ent. 12: 175-178.
 
TRV 59
Petersen-Esben P., 1931: Inventa entomologica itineris Hispanici et Maroccani, quod a. 1926 fecerunt Harald et Hakan Lindberg. VIII. Neuroptera. 6 pp. (in German). Soc. Scient. Fenn., Comm. Biol. 3:1-6.
 
61012
Peterson B. V., Hůrka K., 1974: Ten new species of bat flies of the genus Trichobius (Diptera: Streblidae). 18 pp.
 
DIP 2667
Peterson B. V., Robinson W. H., 1976: A new North American genus and species of the family Phoridae (Diptera). 3 pp.
 
DIP 2668
Peterson B. V., Ross A., 1972: A new species of Paratrichobius (Diptera: Streblidae) from Arizona. 4 pp.
 
FHA 08127
Peterson M., Bellamy C. L., 2000: Contributions to the taxonomy of Australian Buprestidae (Coleoptera). Part III. A new genus and species of buprestid from Queensland and comments about its placement. 5 pp. [FHC 138] [M43] Folia Heyrovskyana 8(2): 127-131.
 
SPX 14001
Petkovski S. T., 1991: Moina weismanni Ishikawa, 1896, a rare East Palearctic faunistic element from S. W. Yugoslavia (Crustacea, Cladocera). 7 pp. Spixiana 14(1): 1-7.
 
EVE 572
Petran A., 1968: Sur la dynamique du zooplancton du littoral roumain de la Mer Noire (la zone jusqu’a 30 m de profondeur). 7 pp.
 
81078
Petrere M. Jr, 1983: Relationships among catches, fishing effort and river morphology for eight rivers in Amazonas State (Brazil), during 1976 – 1978. 16 pp. Amazoniana 8(2): 281-296.
 
81079
Petrere M. Jr, 1986: Amazon fisheries I – Variations in the relative abundance of Tambaqui (Colossoma macropomum Cuvier, 1818) based on catch and effort data of the gill-net fisheries. 21 pp. Amazoniana 9(4): 527-547.
 
81080
Petrere M. Jr, 1986: Amazon fisheries II – Variations in the relative abundance of tucunaré (Cichla ocellaris, C. temensis) based on catch and effort data of the trident fisheries. 13 pp. Amazoniana 10(1): 1-13.
 
WZG 21156
Petri K., 1902: Ein neuer Dorytomus aus Ungarn und Mähren. 2 pp. Wien. entomol. Ztg. 21: 156-157.
 
WZG 22049
Petri K., 1903: Agabus regalis, eine neue Art aus der Verwandtschaft des bipustulatus L. und Solieri Aubé. 2 pp. Wien. entomol. Ztg. 22: 49-50.
 
CUR 1314
Petri K., 1903: Macrotarsus similis n. sp. 2 pp.
 
EVE 953
Petrov A. A., 1999: Phenetical approach to the classification of the family Monocelididae (Turbellaria, Proseriata). 7 pp. Zoological sessions 281(1998): 39-45.
 
ARA 1415
Petrova A. D., 1982: Ekologo-faunističeskie fruppirovki kleščej-makrochelid (Parasitiformes, Mesostigmata, Macrochelidae) v Moskovskoj oblasti i značenie koprofilnych vidov. 14 pp.
 
ARA 1416
Petrova A. D., 1982: O faune počvoobitajuščich gamazovych kleščej (Parasitiformes, Mesostigmata) Moskovskoj oblasti. 8 pp.
 
EAF 09131
Petrovitz R., 1958: Neue asiatische Aphodiusarten (Col. Scarab.). 9 pp. Entomologische Arbeiten aus dem Museum G. Frey 9(1): 131-139.
 
EAF 09799
Petrovitz R., 1958: Vier neue Aphodiinaearten aus Afrika und Australien (Col. Scarab.). 5 pp. [M51] Entomologische Arbeiten aus dem Museum G. Frey 9(3): 799-803.
 
EAF 12136
Petrovitz R., 1961: Eine neue Aegialiinae-Art aus Japan (Col. Scarab.). 2 pp. [M13] [M51] Entomologische Arbeiten aus dem Museum G. Frey 12(1): 136-137.
 
EAF 12099
Petrovitz R., 1961: Neue und verkannte Aphodiinae aus allen Erdteilen (Coleoptera: Scarabaeidae). I. Teil. 37 pp. [M13] [M51] Entomologische Arbeiten aus dem Museum G. Frey 12(1): 99-135.
 
EAF 13101
Petrovitz R., 1962: Neue und verkante Aphodiinae aus allen Erdteilen (Col. Scarab.). III. Teil. 31 pp. [M51] Entomologische Arbeiten aus dem Museum G. Frey 13: 101-131.
 
EAF 15279
Petrovitz R., 1964: Neue Ataenius-Arten (Scarab., Col.). 7 pp.
 
EAF 18388
Petrovitz R., 1967: Neue und verkannte Aphodiinae aus allen Erdteilen (Coleoptera: Scarabaeidae). V. Teil. 16 pp. Entomologische Arbeiten aus dem Museum G. Frey 18: 388-403.
 
EAF 21225
Petrovitz R., 1970: Neue neotropische Aphodiinae und Hybosorinae (Col.). 19 pp. [M51] Entomologische Arbeiten aus dem Museum G. Frey 21: 225-243.
 
EAF 22099
Petrovitz R., 1971: Neue Aphodiidae der äthiopischen und australischen Region (Col.). 6 pp. [SCA 1642] [M50] Entomologische Arbeiten aus dem Museum G. Frey 22: 99-104.
 
EAF 22134
Petrovitz R., 1971: Neue australische Hybosoridae (Col.). 2 pp. [SCA 1643] Entomologische Arbeiten aus dem Museum G. Frey 22: 134-135.
 
EAF 24304
Petrovitz R., 1973: Neue Aphodiinae aus der Orientalischen Region (Scarabaeidae, Coleoptera). 7 pp. [M14] [M50] Entomologische Arbeiten aus dem Museum G. Frey 24: 304-310.
 
EBA 01215
Petrovitz R., 1975: Ergebnisse der Bhutan-Expedition 1972 das Naturhistorischen Museums in Basel. Coleoptera: Fam. Scarabaeidae (Laparostikte). 8 pp. [M16]
 
ASC 32135
Petrovský V., 1935: Rhyacia sigma Shiff, Ab. Nubila Esp., nová aberrace pro Čechy a příspěvek k oekologii můry Rhýacia sigma Schiff. 2 pp. [LEP 2669] Acta Societatis entomologicae Cechosloveniae 32: 135-136.
 
ASC 34032
Petrovský V., 1937: Nôtes Lepidepterologiques sur la Russie Subkarpatique (Tchécoslovaquie). 6 pp. (in Czech). [LEP 2670] Acta Societatis entomologicae Cechosloveniae 34: 32-37.
 
KLA 31053
Petrů M., 1995: K výskytu soumračníka Heteropterus morpheus v Čechách (Lepidoptera: Hesperiidae). 2 pp. [M50] Klapalekiana 31: 53-54.