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Yano, M. 1926b. On habitat of Polyergus rufescens samurai. [In Japanese.]. Kontyû 1:134. PDF

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Yarrow, I. H. H. 1954b. Formica exsecta Nylander (Hym., Formicidae) in the British Isles. Entomologist's Monthly Magazine 90:183-185.

Yarrow, I. H. H. 1955b. The British Strongylognathus (Hym., Formicidae). Journal of the Society for British Entomology 5:114-115.

Yasumatsu, K. 1935. Further notes on the hymenopterous fauna of the Yaeyama Group. Annotationes Zoologicae Japonenses 15:33-45. PDF

Notes: Ants pp. 34, 36.

Yasumatsu, K. 1942. On the vertical distributions of ants on Mt. Hikosan, Kyushu. [In Japanese.]. Mushi 14:102. PDF

Yasumatsu, K. 1940a. Contributions to the hymenopterous fauna of Inner Mongolia and North China. Transactions of the Sapporo Natural History Society 16:90-95. PDF

Notes: Ants p. 91.

Yasumatsu, K. 1940b. Some ants from Sanko Province in Manchuria. [In Japanese.]. Mushi 13:42. PDF

Yasumatsu, K. 1940e. Ants from Kyusyu. [In Japanese.]. Kyodo Shizen 5:1-5.

Notes: Not seen. Cited in Okano (1989) and Onoyama & Terayama (1994).

Yasumatsu, K. 1941b. Camponotus vagus yessoensis in Mt. Hikosan, Kyusyu. [In Japanese.]. Mushi 13:96. PDF

Yasumatsu, K. 1941c. Ants collected by Mr. H. Takahasi in Hingan (Hsingan) North Province, North Manchuria (Hymenoptera, Formicidae). [In Japanese.]. Transactions of the Natural History Society of Formosa 31:182-185. PDF

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.

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

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.

Yamamoto, T.; Touyama, Y. 1995. Comparative study of pseudoscorpion and ant fauna in the cool-temperate zone and the warm-temperate zone in the western district of Hiroshima Prefecture. [In Japanese.]. Edaphologia 54:33-38.

Yamane, S.; Harada, Y.; Yano, M. 1985. Ant fauna of Tanega-shima Island, the northern Ryukyus (Hymenoptera, Formicidae). Memoirs of the Kagoshima University Research Center for the South Pacific 6:166-173.

Yamane, S.; Iwai, T.; Watanabe, H.; Yamanouchi, Y. 1994. Ant fauna of the Tokara Islands, northern Ryukyus, Japan (Hymenoptera, Formicidae). WWF (Worldwide Fund for Nature) Japan Science Report 2(2):311-327.

Yamane, S.; Nona, A. R. 1994. Ants from Lambir Hills National Park, Sarawak. Pp. 222-226 in: Inoue, T.; Hamid, A. A. (eds.) 1994. Plant reproductive systems and animal seasonal dynamics. Long-term study of dipterocarp forests in Sarawak. Kyoto: Center for Ecological Research, Kyoto University, vii + 255 pp.