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.

Wu, J. 1990. Taxonomic studies on the genus Formica L. of China (Hymenoptera: Formicidae). [In Chinese.]. Forest Research 3:1-8. PDF

Wu, J.; Wang, C. 1989a. [Untitled. Descriptions of new taxa: Camponotus pseudolendus Wu et Wang; Camponotus chongqingensis Wu et Wang; Camponotus largiceps Wu et Wang.]. Pp. 225-227, 227-228 in: Wang, C.; Xiao, G.; Wu, J. 1989a. Taxonomic studies on the genus Camponotus Mayr in China (Hymenoptera, Formicidae). [part] [In Chinese.]. Forest Research 2:221-228.

Wu, J.; Wang, C. 1989b. [Descriptions of new taxa: Camponotus pseudoirritans Wu et Wang; Camponotus anningensis Wu et Wang.]. Pp. 321-322, 323 in: Wang, C.; Xiao, G.; Wu, J. 1989b. Taxonomic studies on the genus Camponotus Mayr in China (Hymenoptera, Formicidae). [concl.] [In Chinese.]. Forest Research 2:321-328.

Wu, J.; Wang, C. 1990. A taxonomic study on the genus Tetraponera Smith in China (Hymenoptera: Formicidae). [In Chinese.]. Scientia Silvae Sinicae 26:515-518. PDF

Wu, J.; Wang, C. 1992a. Taxonomic study of genus Prenolepis Mayr (Hymenoptera: Formicidae) of China. [Abstract.]. P. 56 in: XIX International Congress of Entomology 1992. Living with insects. Proceedings XIX International Congress of Entomology. Abstracts. Beijing, China, June 28 - July 4, 1992. Beijing: China Cultural Center, xi. + 730 pp.

Wu, J.; Wang, C. 1992b. A revisionary list of Chinese ants (Hymenoptera, Formicidae). [Abstract.]. P. 262 in: XIX International Congress of Entomology 1992. Living with insects. Proceedings XIX International Congress of Entomology. Abstracts. Beijing, China, June 28 - July 4, 1992. Beijing: China Cultural Center, xi. + 730 pp.

Wu, J.; Wang, C. 1992c. Hymenoptera: Formicidae. [In Chinese.]. Pp. 1301-1320 in: Peng, J.; Liu, Y. (eds.) 1992. Iconography of forest insects in Hunan, China. Hunan: Hunan Scientific and Technical Publishing House, 1473 pp. PDF

Wu, J.; Wang, C. 1994. A new genus of ants from Yunnan, China (Hymenoptera: Formicidae: Formicinae). Journal of Beijing Forestry University (English Edition) 3(1):35-38. PDF

Wu, J.; Wang, C. 1995a. The ants of China. [In Chinese.]. Beijing: China Forestry Publishing House, x + 214 pp.

Wu, J.; Wang, C. 1995b. Hymenoptera: Formicidae. [In Chinese.]. Pp. 570-572 in: Wu, H. (ed.) 1995. Insects of Baishanzu Mountain, eastern China. [In Chinese.]. Beijing: China Forestry Publishing House, xiii + 586 pp.

Wu, J.; Xiao, G. 1987. A new species of the genus Gnamptogenys from China (Hymenoptera: Formicidae). [In Chinese.]. Scientia Silvae Sinicae 23:303-305. PDF

Wu, J.; Xiao, G. 1989. A new species of the genus Vollenhovia from China (Hymenoptera: Formicidae). [In Chinese.]. Entomotaxonomia 11:239-241. PDF

Wuorenrinne, H. 1975. Über die Notwendigkeit und die Möglichkeiten des Waldameisenschutzes in Finnland. Waldhygiene 11:48-50. PDF

Wurm, Y.; Wang, J.; Riba-Grognuz, O.; Corona, M.; Nygaard, S.; Hunt, B. G.; Ingram, K. K.; Falquet, L.; Nipitwattanaphon, M.; Gotzek, D.; Dijkstra, M. B.; Oettler, J.; Comtesse, F.; Shih, C.-J.; Wu, W.-J.; Yang, C.-C.; Thomas, J.; Beaudoing, E.; Pradervand, S.; Flegel, V.; Cook, E. D.; Fabbretti, R.; Stockinger, H.; Long, L.; Farmerie, W. G.; Oakey, J.; Boomsma, J. J.; Pamilo, P.; Yi, S. V.; Heinze, J.; Goodisman, M. A. D.; Farinelli, L.; Harshman, K.; Hulo, N.; Cerutti, L.; Xenarios, I.; Shoemaker, D.; Keller, L. 2011. The genome of the fire ant Solenopsis invicta. Proceedings of the National Academy of Sciences of the United States of America 108:5679-5684. PDF

Würmli, M. 1969. Due interessanti reperti mirmecologici per la fauna d'Italia (Hymenoptera, Formicidae). Bollettino della Società Entomologica Italiana 99-101:208-210.

Wysocka, A.; Krzyszofiak, L.; Krzysztofiak, A.; Żołnierkiewicz, O.; Ojdowska, E.; Sell, J. 2011. Low genetic diversity in Polish populations of sibling ant species: Lasius niger (L.) and Lasius platythorax Seifert (Hymenoptera, Formicidae). Insectes Sociaux 58:191-195. PDF

Xi, G.; Liu, Z.; Xu, S. (eds.) 1995. Entomological research. First issue. A collection of research papers commemorating 40 years of teaching by Professor Zheng Zhemin. [In Chinese.]. Xi'an: Shaanxi Normal University Press, 239 pp.

Xia, Y.; Zheng, Z. 1995. A new record genus and a new species of Formicidae (Hymenoptera) from China. [In Chinese.]. Entomotaxonomia 17:219-221. PDF

Xia, Y.; Zheng, Z. 1997a. A survey of Formicidae from Xinjiang. [In Chinese.]. Journal of Shaanxi Normal University. Natural Science Edition 25(2):64-66. PDF

Xia, Y.; Zheng, Z. 1997b. A new species of the genus Formica from Xinjiang. [In Chinese.]. Journal of Hubei University (Natural Science) 19:391-392. PDF

Xiao, G.; Wang, C. 1989a. [Untitled. Descriptions of new taxa: Camponotus spanis Xiao et Wang; Camponotus fuscivillosus Xiao et Wang; Camponotus rubidus Xiao et Wang.]. Pp. 224-225, 227 in: Wang, C.; Xiao, G.; Wu, J. 1989a. Taxonomic studies on the genus Camponotus Mayr in China (Hymenoptera, Formicidae). [part] [In Chinese.]. Forest Research 2:221-228.

Xiao, G.; Wang, C. 1989b. [Untitled. Descriptions of new taxa: Camponotus jianghuaensis Xiao et Wang; Camponotus helvus Xiao et Wang.]. Pp. 321, 322-323 in: Wang, C.; Xiao, G.; Wu, J. 1989b. Taxonomic studies on the genus Camponotus Mayr in China (Hymenoptera, Formicidae). [concl.] [In Chinese.]. Forest Research 2:321-328.

XIX International Congress of Entomology 1992. Living with insects. Proceedings XIX International Congress of Entomology. Abstracts. Beijing, China, June 28 - July 4, 1992. Beijing: China Cultural Center, xi. + 730 pp.

Xu, C.; Wang, H.; Shen, L.; Wu, J. 1992. A comparative study of esterase isoenzymes in selected ants (Hymenoptera: Formicidae). [In Chinese.]. Forest Research 5(1):22-25.

Xu, Z. 1994a. A taxonomic study of the ant subfamily Dorylinae in China (Hymenoptera Formicidae). [In Chinese.]. Journal of Southwest Forestry College 14:115-122.

Xu, Z. 1994b. A taxonomic study of the ant genus Brachyponera Emery in southwestern China (Hymenoptera Formicidae Ponerinae). [In Chinese.]. Journal of Southwest Forestry College 14:181-185. PDF

Xu, Z. 1994c. A taxonomic study of the ant genus Lepisiota Santschi from southwestern China (Hymenoptera Formicidae Formicinae). [In Chinese.]. Journal of Southwest Forestry College 14:232-237.