Wall, I. (1994) Seltene Hymenopteren aus Mittel-, West- und Südeuropa (Hymenoptera Apocrita: Stephanoidea, Evanioidea, Trigonalyoidea). Entomofauna 15: 137-184.
Werner, P. & M. Wiezik (2007) Vespoidea: Formicidae. In: Bogusch, P., J. Straka & P. Kment (Ed.). Annotated checklist of the Aculeata (Hymenoptera) of the Czech Republic and Slovakia. 133-164.
Westrich, P., H.R. Schwenninger, M. Herrmann, M. Klatt, M. Klemm, R. Prosi & A. Schanowski (2000) Rote Liste der Bienen Baden-Württembergs (3., neu bearbeitete Fassung, Stand 15. Februar 2000). Naturschutz-Praxis, Artenschutz 4: 1-48.
Westrich, P., U. Frommer, K. Mandery, H. Riemann, H. Ruhnke, C. Saure & H. Voith (2008) Rote Liste der Wildbienen Deutschlands (Hymenoptera, Apidae) (4. Fassung, Dezember 2007). Eucera 1: 33-87.
Westwood, J.O. (1874) Thesaurus Entomologicus Oxoniensis; or illustrations of new, rare, and interesting insects, for the most part contained in the collections. 205 pp., 40 pls, Clarendon Press, Oxford.
Wetterer, J.K. (2011) Worldwide spread of Tetramorium lucayanum (Hymenoptera: Formicidae). Florida Entomologist 94 (4): 827-831.
Wetterer, J.K. (2011) Worldwide spread of Pheidole teneriffana (Hymenoptera: Formicidae). Florida Entomologist 94 (4): 843-847.
Wetterer, J.K., X. Espadaler, A.L. Wetterer, D. Aguin-Pombo & A.M. Franquinho-Aguiar (2007) Ants (Hymenoptera: Formicidae) of the Madeiran Archipelago. Sociobiology 49 (3): 265-297.
Wheeler, W.M. (1913) The ants of Cuba. Bulletin of the Museum of Comparative Zoology LIV (17): 477-505.
Wheeler, W.M. (1931) New and little-known ants of the genera Macromischa, Creosomyrmex and Antillaemyrmex. Bulletin of the Museum of Comparative Zoology 72: 1-34.
Wheeler, W.M. (1937) Ants mostly from the mountains of Cuba. Bulletin of the Museum of Comparative Zoology 81 (3): 441-465.
Whitfield, J.B. & Oltra Moscardó, M.T. (2004) The Neotropical species of Deuterixys Mason (Hymenoptera: Braconidae). J. Hym. Res. 13 (1): 134-148.
Wilson, E.O. (2003) . [ix] + 794 pp, Harvard University Press, Cambridge, Mass..
Wolcott, G.N. (1948) The insects of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico 32 (4): 749-975.