Wolcott, G. N. 1941. A supplement to "Insectae Borinquenses". Journal of Agriculture of the University of Puerto Rico 25:33-158.

Notes: Ants pp. 148-150.

Wolcott, G. N. 1951 ("1948"). The insects of Puerto Rico. Hymenoptera. Journal of Agriculture of the University of Puerto Rico 32:749-975.

Notes: Ants pp. 810-839.

Wolf, H. 1954. Über westdeutsche Myrmica-Arten. Deutsche Entomologische Zeitschrift (N.F.)1:121-123. PDF
Wolf, H. 1957 ("1956"). Plagiolepis xene Staerke [sic], eine für Deutschland neue Ameise (Hym. Form. Formicinae). Mitteilungen der Deutschen Entomologischen Gesellschaft 16:13.
Wolf, K. 1915. Studien über palaearktische Formiciden. I. Bericht des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck. 35:37-52. PDF
Woyciechowski, M. 1993. Ants (Hymenoptera, Formicidae) of the glades in the Tatra Mts (the Carpathians). Tiscia (Szeged) 27:17-22.

Notes: May have been published in 1994. Journal received at UC Berkeley Library on 9 January 1995.

Wray, D. L. 1950. Insects of North Carolina. Second supplement. Raleigh: North Carolina Department of Agriculture, 59 pp.

Notes: Ants pp. 36-37.

Wray, D. L. 1967. Insects of North Carolina. Third supplement. Raleigh: North Carolina Department of Agriculture, 181 pp.

Notes: Ants pp. 112-117.

Wroughton, R. C. 1892. Our ants. Part I. Journal of the Bombay Natural History Society 7:13-60.
Wroughton, R. C. 1892. Our ants. Part II. Journal of the Bombay Natural History Society 7:175-203.
Wu, C. F. 1941. Catalogus insectorum Sinensium. Volume VI. Peiping [= Beijing]: Yenching University, x + 334 pp.

Notes: Formicoidea: pp. 141-204.

Wu, H. (ed.) 1995. Insects of Baishanzu Mountain, eastern China. [In Chinese.]. Beijing: China Forestry Publishing House, xiii + 586 pp.