Whelden, R. M. 1958a. Additional notes on Rhytidoponera convexa Mayr (Hymenoptera, Formicidae). Annals of the Entomological Society of America 51:80-84.
Whelden, R. M. 1958b ("1957"). Notes on the anatomy of the Formicidae. I. Stigmatomma pallipes (Haldeman). Journal of the New York Entomological Society 65:1-21. PDF
Whelden, R. M. 1960. The anatomy of Rhytidoponera metallica F. Smith (Hymenoptera: Formicidae). Annals of the Entomological Society of America 53:793-808.
Whiting, P. W. 1938. Anomalies and cast [sic] determination in ants. Journal of Heredity 29:189-193.
Whitley, G. 1936. Ichthyological genotypes: some supplementary remarks. Australian Zoologist 8:189-192.

Notes: Relevant to dating Latreille (1804).

Whymper, E. 1891. Travels amongst the Great Andes. London: J. Murray, xxii + 147 pp.
Wiel, P. 1926. Formica pressilabris Nyl. in Nederland. Entomologische Berichten (Amsterdam) 7:106.
Wiel, P. 1927. Een nest van Ponera punctatissima Rog. Entomologische Berichten (Amsterdam) 7:175-176.
Wild, A. L. 2003 ("2002"). The genus Pachycondyla (Hymenoptera: Formicidae) in Paraguay. Boletín del Museo Nacional de Historia Natural del Paraguay 14:1-18. PDF
Wild, A. L. 2007a. Taxonomic revision of the ant genus Linepithema (Hymenoptera: Formicidae). University of California Publications in Entomology 126:1-151. PDF