Peacock E. R., 1978: Notes on the subgenera of European Rhizophagidae (Coleoptera). 4 pp. [M26] 

 Peacock E. R., 1980: Melyris shaumariensis n. sp. from Jordan (Coleoptera: Melyridae). 5 pp. 

 Pearce E. J., 1951: A revision of the British species of the genus Bibloplectus Reitter (Col., Pselaphidae) with descriptions of two species new to science. 19 pp. 

 Pearce T. A., Olori J. C., Kemezis K. W., 2010: Land snails from St. Elzear cave, Gaspé Peninsula, Quebec: antiquity of Cepaea Hortensis in North America. 14 pp. (in English). Annals of Carnegie Museum 79(1): 65-78.

 Pearsall W. H., Ullyott P., 1933: Measurement of light for biological purposes. 2 pp. (in English). Nature 131: 694-695.

 Peart R., Lowry J. K., 2006: The amphipod genus Arcitalitrus (Crustacea: Amphipoda: Talitridae) of New South Wales forests, with descriptions of six new species. 22 pp.  Records of the Australian Museum 58: 97-118.

 Pech P., 2008: Faunistic records from the Czech Republic – 249. Hymenoptera: Formicidae. 1 pp. Klapalekiana 44: 73.

 Pech P., 2010: Faunistic records from the Czech Republic – 298. Hymenoptera: Formicidae. 1 pp. Klapalekiana 46(3-4): 202.

 Pech P., 2013: Myrmica curvithorax (Hymenoptera: Formicidae) in the Czech Republic: a contribution to the knowledge of its distribution and biology. (Příspěvek k rozšíření a biologii Myrmica curvithorax (Hymenoptera: Formicidae) v České republice). 8 pp. Klapalekiana 49(3-4): 197-204.

 Pech P., 2014: Faunistic records from the Czech Republic – 364. Hymenoptera: Formicidae. 1 pp. Klapalekiana 50(1-2): 129.

 Pech P., Dvořáčková M., 2015: Faunistic records from the Czech Republic – 382. Hymenoptera: Formicidae. 1 pp. Klapalekiana 51(3-4): 168.

 Pech P., Werner P., 2008: Faunistic records from the Czech Republic – 250. Hymenoptera: Formicidae. 1 pp. Klapalekiana 44: 74.

 Pecharová E., 1986: Beitrag zur Ökologie von Potamogeton pectinatus L. 15 pp. [BOT 109] Acta Universitas Carolinae, biol. 1982-1984(5-6): 363-377.

 Pechuman L. L., 1942: Lista provisional de los Tabanidos de Venezuela. 8 pp. 

 Pechuman L. L., 1960: Some new and little-known North American Tabanidae (Diptera). 7 pp. 

 Pechuman L. L., 1972:The horse flies and deer flies of New York (Diptera, Tabanidae). 72 pp. 

 Pechuman L. L., Wirth W. W., 1961: A new record of Ceratopogonide (Diptera) feeding of frogs. 1 pp. 

 Peciar V., Kubinská A., 1998: Príspevok k poznaniu bryoflóry Zobora. 6 pp. Rosalia 13: 3-8.

 Pecina P., 1962: Bibio benesi sp. n. (Diptera, Bibionidae), a new march-fly found in the high Tatra Mountains. 6 pp. [DIP 2646] Acta Societatis entomologicae Cechosloveniae 59: 74-79.

 Pecina P., 1965: Bohemian March-flies (Diptera, Bibionidae) in The National Museum, Prague. 14 pp. 

 Pecina P., 1965: Bohemian March-flies (Diptera, Bibionidae) in The National Museum, Prague. 14 pp. (in English). Acta faun. ent. Mus. Nat. Pragae 11/108: 285-298.

 Pecina P., 1965: Three species of march-flies of the genus Bibio Geoffroy (Bibionidae, Diptera) new to the fauna of Czechoslovakia. 4 pp. Acta entomologica Bohemoslovaca 6: 235-237.

 Pecina P., 1980: Additional data on several Czechoslovak members of the subfamily Trachyuropodinae Berlese, 1918 (Uropodidae: Mesostigmata). 32 pp. [78476] Acta Universitas Carolinae – Biologica 1978: 357-388.

 Pecina P., 1980: Additional knowledge of members of the subgenus Trachytes Michael, 1894 (Acari: Mesostigmata) from Czechoslovakia. 19 pp. [78477] Acta Universitas Carolinae – Biologica 1978: 389-407.

 Pecina P., 1982: Mass incidence and swarming of the march-flies (Bibionidae) and the importance of this group in the ecosystem. 3 pp. 

 Pecina P., 1982: Mass incidence and swarming of the march-flies (Bibionidae) and the importance ofthis group in the ecosystem. 3 pp. 

 Pecina P., 1986: Restriction of Diptera in the insect fauna. 2 pp. (in Czech). 

 Peck L. V., 1977: Novye danye po faune much-zhurčalok (Diptera, Syrphidae) Mongolii. 13 pp. 

 Peck L. V., 1979: Novye vidy much-zhurčalok (Diptera, Syrphidae) iz Mongolii i SSSR. 7 pp. [DIP 2651] Nasekomye Mongolii 6: 459-465.

 Peck L. V., 1985: New data on the nomenclature and synonymy of the palaearctic hover-flies (Diptera, Syrphidae). 2 pp. (in Russian). Entomologitsheskoe obozrenie 64(2): 396-397.

 Peck O., 1969: Chalcidoid (Hymenoptera) parasites of the alfalfa leaf-cutter bee, Megachile rotundata, in Canada. 6 pp. 

 Peck O., 1974: Chalcidoid (Hymenoptera) parasites of the horn fly, Haematobia irritans (Diptera: Muscidae), in Alberta and Elsewhere in Canada. 5 pp. 

 Peck O., 1974: Nearctic records of two European species of Pteromalidae (Hymenoptera: Chalcidoidea). 3 pp. 

 Peck O., 1974: Steffanolampus, a new genus for Perilampus salicetum (Chalcidoidea) and its nearctic distribution. 4 pp. 

 Peck S. B., 1973: A systematic revision and the evolutionary biology of the Ptomaphagus (Adelops) beetles of North America (Coleoptera; Leiodidae; Catopinae), with emphasis on cave-inhabiting species. 134 pp. (in English). [M54] Bulletin Museum of Comparative Zoology 145(2): 29-162. Discount 50%!

 Peck S. B., 1976: The effect of cave entrances on the distribution of cave-inhabiting terrestrial Arthropods. 13 pp. 

 Peck S. B., 1981: The Idaho cave beetle Glacicavicola also occurs in Wyoming. 2 pp. The Coleopterists Bulletin 35(4): 451-452.

 Peck S. B., 1982: New records of poorly known Ptomaphagus from Texas and the Ozarks (Coleoptera: Leiodidae: Cholevinae). 3 pp. The Coleopterists Bulletin 36(1): 109-111.

 Peck S. B., 1984: The distribution and evolution of cavernicolous Ptomaphagus beetles in the southeastern United States (Coleoptera, Leiodidae, Cholevinae) with new species and records. 11 pp. 

 Peck S. B., 1993: New beetle records from the Galapagos Islands, Ecuador (Coleoptera). 7 pp. The Coleopterists Bulletin 47(2): 151-157.

 Peck S. B., 1997: Colonellus (Pentacolonellus) Gilli, new subgenus and new species from India (Coleoptera: Leiodidae: Coloninae). 8 pp. Elytron 11: 63-70.

 Peck S. B., 1999: A new species of Colon Herbst from Honduras (Coleoptera: Leiodidae: Coloninae). 3 pp. The Coleopterists Bulletin 53(2): 101-103.

 Peck S. B., 2003: Four new species of Ptomaphagus from Costa Rica and Panama (Coleoptera: Leiodidae: Cholevinae: Ptomaphagini). 8 pp. The Coleopterists Bulletin 57(4): 405-412.

 Peck S. B., 2004: Distribution and biology of Aglyptinus laevis (LeConte) in the United States and Canada (Leiodidae; Leiodinae; Scotocryptini). 5 pp. The Coleopterists Bulletin 58(3): 373-377.

 Peck S. B., Anderson R. S., 1982: The distribution and biology of the alpine-tundra carrion beetle Thanatophilus coloradensis (Wickham) in North America (Coleoptera: Silphidae). 4 pp. The Coleopterists Bulletin 36(1): 112-115.

 Peck S. B., Anderson R. S., 1985: Seasonal activity and habitat associations of adult small carrion beetles in southern Ontario (Coleoptera: Leiodidae). 7 pp. The Coleopterists Bulletin 39(4): 347-353.

 Peck S. B., Davies A. E., 1980: Colleting small beetles with large-area “window” traps (Coleoptera). 3 pp. The Coleopterists Bulletin 34(2): 237-239.

 Peck S. B., Gnaspini P., 1997: Ptomaphagus Inyoensis n. sp., a new microphthalmic Montane beetle from California (Coleoptera; Leiodidae; Cholevinae; Ptomaphagini). 8 pp. (in English). The Canadian Entomologist 129: 769-776.

 Peck S. B., Peck J, 1989: Elenchus koebeli (Pierce) (Elenchidae): first record of Strepsiptera from the Galapagos Islands, Ecuador. 2 pp. The Coleopterists Bulletin 43(2): 203-204.

 Peckham D. J., Kurczewski F. E., Peckham D. B., 1973: Nesting behavior of nearctic species of Oxybelus (Hymenoptera: Sphecidae). 15 pp.