Purkyňová E., 1979: Poznámky k rozšíření některých zástupců rodu Stigmaria Sternberg v moravském dinantu. 4 pp. (in Czech). Acta Musei Silesiae 28A: 77-80.

 Purkyňová E., 1981: Makroflóra hradeckého souvrství kulmu Nízkého Jeseníku (dinant, svrchní visé). 6 pp. (in Czech). Acta Musei Silesiae 30A: 269-274.

 Purrington F. F., Stinner D. H., 1989: Wasp parasites of the burdock seed moth , Metzneria lappella Zeller (Gelechiidae): New host record for Bracon mellitor say (Hymenoptera: Bracnidae). 3 pp. Proc. Entomol. Soc. Wash. 91(2): 203-205.

 Puschnig R., 1896: Bericht über die Reise des naturwissenschaftlichen Vereines a. d. U. W. nach Bosnien, der Herzegovina und Dalmatien. 22 pp. (in German). 

 Putshkov P. V., 2001: Vasily G. Puchkov (1909-1995) and his input into development of hemipterology in the Ukraine. 2 pp. Vestnik zoologii 35(1): 95-96.

 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.

 Quaisser C., Dekker R. W. R. J., 2008: Taxonomic identity and lectotype designation of Falco reinwardtii Schlegel and Müller, 1841; Buteo capensis Temminck and Schlegel, 1844, Ptilopus humeralis iobensis Schlegel, 1873 and Hirundo rufula Temminck, 1835. 10 pp. Zoologische Mededelingen 82: 407-416.

 Quicke D. L. J., Koch F., 1990: Die Braconinae-Typen der beiden bedeutendsten Hymenopteren-Sammlungen der DDR (Hymenoptera). 15 pp. Deutsche entomologische Zeitschrift (N.F.) 37(4-5): 213-227.

 Quinlan J., 1974: The British Cynipoidea (Hymenoptera) described by P. Cameron. 21 pp. [M36] Bulletin of the British Museum (Natural History), Entomology 31(1): 1-21.

 Quinlan J., 1974: The nominal taxa described by R. B. Benson and their types, with a bibliography of his works (Hymenoptera). 50 pp. Bulletin of the British Museum (Natural History), Entomology.

 Quintana C., 1997: El roedor Dolicavia minuscula (Caviomorpha, Caviidae) del Pliocono Superior de la provincia de Buenos Aires, Argentina. 17 pp. 

 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.

 Quisenberry S. S., 1990: Plant resistance to insects and mites in forage and turf grasses. 11 pp. (in English). Florida Entomologist 73(3): 411-421.

 R. B., J. H., 2003: Compte rendu de la séance du 20 septembre 2003. 2 pp. (in French). Lambillionea 103(4): 700-701.

 Raatikainen M., 1962: Hymenoptera species occurring in stems of spring wheat and the damage caused by them to wheat crops in Finland. 9 pp. 

 Raccah B., Tahori A. S., Applebaum S. W., 1972: Effects of various sugars on development and wing production in the aphid Myzus persicae. 6 pp. Israel Journal Ent. 7: 21-26.

 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.

 Radchenko V. G., 1992: Origin of eusociality in insects: solving of the problem of polygynous colony foundation within the framework of the haplodiploidy hypothesis. 5 pp. (in Russian). Entomologitsheskoe obozrenie 71(3): 505-509.

 Raesfeld F. von, 1931: Das deutsche Weidwerk. Ein Lehr- und Handbuch der Jagd. Illustriert von Karl Wagner mit 310 Textabbildungen und 18 zum Teil mehrfarbigen Tafeln. 707 pp.  Discount 50%!

 Rafes P. M., 1956: Insects- pests of Elaeagnus calligonum, and Tamarix, growing on the Naryn sands (semidesert toward the East of the Volga). 13 pp. (in Russian). Entomologitsheskoe obozrenie 35(4): 805-817.

 Rahman M. T., Khalequzzaman M., Rahman Khan M. A., 2004: Assessment of infestation and yield loss stem borers on variety of rice. 7 pp. [AGR 93]  Journal of Asia-Pacific Entomology 7(1): 89-95.

 Rahmathulla V. K., Suresh H. M., 2008: Feed consumption and conversion efficiency in male and female bivotine silkworms (Bombyx mori L.) – a comparative study. 7 pp.  Journal of the Entomological Research Society 10(1): 59-65.

 Rahmathulla V. K., Suresh H. M., 2008: Feed consumption and conversion efficiency in male and female bivotine silkworms (Bombyx mori L.) – a comparative study. 7 pp.  Journal of the Entomological Research Society 10(1): 59-65.

 Rai H., 1979: Microbiology of Central Amazon Lakes. 17 pp. Amazoniana 6(4): 583-599.

 Raineri V., 1996: La collezione di geometridi del conte Turati conservata al Museo Regionale di Scienze Naturali di Torino (Lepidoptera Geometridae). 69 pp. (in Italian). Bolletino del Museo regionale di Scienze Naturali – Torino 14(1): 179-247.

 Rainey R. C., 1969: Migration and meteorology: A synecological note. 4 pp. Israel Journal Ent. 4(1): 203-206.

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 Rakhshani E., Talebi A., Stary P., Manzari S., Rezwani A., 2005: Re-description and biocontrol information of Pauesia antennata (Mukerji) (Hym., Braconidae, Aphidiinae), parasitoid of Pterochloroides persicae (Chol.) (Hom., Aphidoidea, Lachnidae). 11 pp. [HYM 7307] Journal of the Entomological Research Society 7(3): 59-69.

 Rammerer P., 1923: Tod und Unsterblichkeit. 122 pp. (in German). 

 Rappard F. W., 1964: De Korvers Kooi op Texel Een natuurreservaat van internationale betekenis. 10 pp. (in Dutch). De Levende Natuur 67: 1-9.

 Rappard I. F. W., Karstel H. R., 1960: Eiwitbehoefte, jacht en inzameling. 3 pp. (in Dutch). Overdruk van Ned. Nieuw-Guinea 5: 2-4.

 Rapport du président á l’assemblée générale ordinaire des membres de l’Union des Entomologistes belges du 16 février 2002. 2 pp. (in French). Lambillionea 102(1): 2-3.

 Rapsch I., 1955: Microsporidien als Parasiten von Mochlonyx culiciformis de Geer (Chaborinae, Culicidae). 8 pp. 

 Rastelli M., Penati F., 2002: Gli Histeridae di un’area rinaturalizzata del Parco fluviale del Po: il bosco del Gerbasso (Insecta: Coleoptera). 14 pp. Rivista Piemontese di Storia Naturale 23: 129-142.

 Ratani L., 1860: Materie, Aether und lebendige Kraft. 49 pp. (in German). 

 Ratcliffe B. C., 1996: The coleopterists society. Minutes of the annual meeting. Las Vegas, Nevada, 18 December 1995. 2 pp. The Coleopterists Bulletin 50(1): 99-100.

 Ratcliffe B. C., 2007: The coleopterists society. Minutes of the annual meeting. Indianapolis, Indiana, 12 December 2006. 3 pp. The Coleopterists Bulletin 61(1): 143-145.

 Ratcliffe B. C., 2008: The coleopterists society. Minutes of the annual meeting. San Diego, California, 11 December 2007. 3 pp. The Coleopterists Bulletin 62(1): 120-122.

 Ratcliffe B. C., Smith D. M., Erwin D., 2005: Oryctoantiquus borealis, new genus and species from the Eocene of Oregon, U.S.A, the world’s oldest fossil Dynastine and largest fossil Scarabaeid (Coleoptera: Scarabaeidae: Dynastinae). 9 pp. 

 Rath O., 1895: Zur Conservirungstechnik. 9 pp. (in German). Anatomischer Anzeiger 11(9): 280-288.

 Rathbun R., 1913: A descriptive account of the building recently erected for the departments of Natural History of the United States National Museum. 131 pp. 

 Ratnadass A., Traoré T., Sylla M., Diarra D, 2001: Improved techniques for mass-rearing Busseola fusca (Lepidoptera: Noctuidae) on an artificial diet. 9 pp. African Entomology 9(2): 167-175.

 Ratzeburg J. T. C., 1876: Die Waldverderber und ihre Feinde. Ein Handbuch für Forstmänner, Landwirthe, Gärtner und alle mit Waldbäumen Beschäftigte. Siebente Auflage in vollständig neuer Bearbeitung herausgegeben von Dr. J. F. Judeich... 525 pp. Hard cover, MORE USED book but pages complete and clear.   Discount 30%!

 Raulin M., 1890: Influence de la nature du terrain sur la température du sol. 16 pp. (in French). 

 Razowski J., 2002: Morphology of the papilla analis in Tortricidae. 6 pp. Polskie Pismo Entomologiczne 71(4): 307-312.

 Razowski J., Świecimski J., 1971: Ilustracja aparatów genitalnych owadów w publikacjach naukowych. 20 pp. Acta zoologica cracoviensia 26/17: 715-734.

 Reddell J. R., Mitchell R. W., 1971: A checklist of the cave fauna of Mexico. I. Sierra de El Abra, Tamaulipas and San Luis Potosi. 44 pp. 

 Reddell J. R., Mitchell R. W., 1971: A checklist of the cave fauna of Mexico. II. Sierra de Guatemala, Tamaulipas. 35 pp. 

 Redline A. D., 1997: Revision of the wind river faunas, early eocene of Central Wyoming. Part 13. Systematics and Phylogenetic pattern of early eocene Hyopsodus (Mammalia: Condylarthra). 81 pp.