Weld L. H., 1944: New American cynipids from galls. 24 pp. 

 Weld L. H., 1952: New American cynipid wasps from galls. 27 pp. [M58] 

 Weld L. H., 1957: New American cynipid wasps from oak galls. 16 pp. [M58] 

 Wellings P. W., 1993: Foraging behaviour in aphid parasitoids: Spatial scale and resource assessment. 6 pp. 

 Wellings P. W., 1994: How variable are rater of colonisation 5 pp. 

 Wells A., 1993: Micro-caddisflies (Trichoptera: Hydroptilidae) from Bali, Indonesia. 9 pp. [TRI 199] Zoologische Mededelingen 67(25): 351-359.

 Welty C., Reissig W. H., Dennehy T. J., Weires R. W., 1988: Comparison of residual bioassay methods and criteria for assessing mortality of cyhexatin-resistant european red mite (Acari: Tetranychidae). 7 pp. 

 Welty C., Reissig W. H., Dennehy T. J., Weires R. W., 1988: Susceptibility to Hexythiazox of eggs and larvae of European Red Mite (Acari: Tetranychidae). 7 pp. 

 Wen-ying Y., Rong-dong X., Imadaté G., 1995: Four New Species of the Genus Eosentomon (Protura) from Yunnan, Southwest China. 10 pp. 

 Wen-ying Y., Rong-dong X., Imadaté G., 1995: Notes on Eosentomon belli Yin (Protura, Eosentomidae), with description of a new species from Yunnan, Southwest China. 8 pp. 

 Wendt H., 1980: Erstmaliges Auftreten des Vorratsschädlings Bruchidius tonkineus (Pic, 1904) in der DDR (Col. Bruchidae). 2 pp. Deutsche entomologische Zeitschrift (N.F.) 27(4-5): 317-318.

 Wenger S., 1972: Data to the anthropology of the avar period population in northern plains, Hungary. 14 pp. Ann. Hist.-nat. Mus. Nat. Hung. 64: 401-414.

 Wenger S., 1974: Craniomorphological anomalies in the historical populations of the Central Danubian Basin. 15 pp. Ann. Hist.-nat. Mus. Nat. Hung. 66: 413-427.

 Wenig K., 1949: Mechanismus tkáňového dýchání u hmyzu. 14 pp. [INS 555] Acta Societatis entomologicae Cechosloveniae 46: 85-98.

 Went J. C., 1955: Verslag van de onderzoekingen over de iepenziekte en andere boomziekten, uitgevoerd op het phytopathologisch laboratorium “Willie Commelin Scholten” te Baarn, gedurende 1952 en 1953. 12 pp. (in Dutch). Mededeling 48: 1-12.

 Wenzel G., 1933: Die erfolgreiche Zucht von Lemonia dumi L. (Lep.). 3 pp. 

 Wenzl H., 1938: Botrytis cinerea als Erreger einer Fleckenkrankheit der Knospen und Blüten der Rose („Blütenfeuer”). 11 pp. (in German). Die Gartenbauwissenschaft 11(4): 462-472.

 Werder U., 1983: Age determination by scale analysis in juvenile Matrincha (Brycon cf. melanopterus Müller & Troschel, Teleostei: Characoidei) a tropical characin from the Central Amazon. 20 pp. Amazoniana 7(4): 445-464.

 Werder U., Soares G. M., 1984: Age determination by sclerite numbers, and scale variations in six fish species from the Central Amazon (Osteichthyes, Characoidei). 26 pp. Amazoniana 8(3): 395-420.

 Werding B., 1986: Die Gattung Neopisosoma Haig, 1960 im tropischen Westatlantic, mit der Beschreibung von Neopisosoma neglectum spec. nov. und Neopisosoma orientale spec. nov. (Crustacea: Anomura: Porcellanidae). 21 pp. [80714] Zoologische Mededelingen 60(11): 159-179.

 Werlinger C. L., 1983: Ciclo reproductivo anualy y algunas consideraciones sobre la histologia del aparato reproductor de Patiria chilensis (Lutken, 1859) (Echinodermata, Asteroidea). 17 pp. 

 Wermuth P., 2000: Bioindikation der Gewässerverhältnisse an der Birs (CH, Kanton Basel-Land) mit Hilfe von Emergenzfallen. 3 pp. (in German). Mitt. Dtsch. Ges. Allg. Agnew. Ent. 12: 255-257.

 Werneck F. L., 1948: Crítica bibliográfica. Os Malófagos de Mamíferos. Parte 1: Amlbycera e Ischnocera e parte de Trichodectidae. 6 pp. 

 Werneck F. L., 1958: Novo e inesperado tricodectídeo (Mallophaga). 4 pp. 

 Werner F., 1923: Beiträge zur Orthopterenfauna von Mähren. 4 pp. 

 Werner F., 1926: Zur Kenntnis der Mantodeen der Philippinen. 6 pp. 

 Werner F., 1927: Neue Mantodeen aus vier Erdteilen. 7 pp. 

 Werner F., 1930: Über asiatische Mantideen aus dem naturhistorischen Reichsmuseum in Stockholm. 13 pp. 

 Werner F., 1933: Ergebnisse einer zoologischen Studien- und Sammelreise nach den Inseln des Ägäischen Meeres II. Orthopteren. 20 pp. 

 Wesché W., 1908: The systematic affinities of the Phoridae and of several Brachycerous families in Diptera. 17 pp. 

 Wesenberg-Lund C., 1933: Naturstudium og religiös fölelse. 22 pp. (in Danish). 

 Wesolowska W., 1997: A redescription of ant-like jumping spider Despreissia myrmex Lessert, 1942 (Araneae: Salticidae). 3 pp. [ARA1728] [M35] Genus 8(3-4): 715-717.

 Wesolowska W., 1999: A revision of the spider genus Menemerus in Africa (Araneae: Salticidae). 103 pp. [GEN 10251] [M40] 

 Wesolowska W., 2000: A redescription of Lophostica mauriciana Simon, 1902 (Araneae: Salticidae). 4 pp. [ARA1729] Genus 11(1): 95-98.

 Westcott R. L., 2001: Anambodera clarki sp. n. (Coleoptera: Buprestidae) from the Baja California peninsula, Mexico. 5 pp. [FHC 155] [M43] Folia Heyrovskyana 9(2): 131-135.

 Westrich P., Schmidt K., 1983: Zur Arttrennung von Passaloecus gracilis (Curtis, 1834), Passaloecus turionum Dahlbom, 1845, und Passaloecus borealis Dahlbom, 1845. (Hymenoptera, Sphecidae). 8 pp. [M20] Entomofauna 4/16: 209-216.

 Westwood J. O., 1878: Descriptions of some minute Hymenopterou Insects. 13 pp. 

 Wetmore A., 1915: A peculiarity in the growth of the tail feathers of the Giant Hornbill (Rhinoplax vigil). 4 pp. 

 Wetmore A., 1919: Bones of birds collected by Theodoor de Booy from kitchen midden deposits in the Islands of St. Thomas and St. Croix. 11 pp. 

 Wetmore A., 1919: On the anatomy of Nyctibius with notes on allied birds. 10 pp. 

 Wetmore A., 1925: Fossil birds from southeastern Arizona. 18 pp. 

 Wetmore A., 1930: A systematic classification for the birds of the world. 8 pp. 

 Wetmore A., 1932: Birds collected in Cuba and Haiti by the Parish-Smithsonian Expedition of 1930. 40 pp. 

 Wetmore A., 1936: Two new species of hawks from the Miocene of Nebraska. 6 pp. 

 Wetmore A., 1937: Observations on the birds of West Virginia. 41 pp. 

 Wetmore A., 1938: A Miocene booby and other records from the Calvert formation of Maryland. 5 pp. 

 Wetmore A., 1938: Another fossil owl from the Eocene of Wyoming. 3 pp. 

 Wetmore A., 1939: Notes on the birds of Tennessee. 69 pp. 

 Wetmore A., 1940: Notes on the birds of Kentucky. 46 pp. 

 Wetmore A., 1941: Notes on birds of the Guatemalan highlands. 59 pp.