Yensen, N.; Yensen, E.; Yensen, D. 1980. Intertidal ants from the Gulf of California, Mexico. Annals of the Entomological Society of America 73:266-269.
Yoshioka, H. 1939a. A list of the ants of Gumma Prefecture. [In Japanese.]. Transactions of the Kansai Entomological Society 8:64-69. PDF
Yoshioka, H. 1939b. A new ant of the genus Dolichoderus from Japan. Transactions of the Kansai Entomological Society 8:70-71. PDF
Young, J.; Howell, D. E. 1964. Ants of Oklahoma. Miscellaneous Publication. Oklahoma Agricultural Experimental Station 71:1-42.
Zakharov, A. A. 1972. Intraspecific relations in ants. [In Russian.]. Moskva: Nauka, 216 pp.

Notes: Date signed for printing ("podpisano k pechati").

Zakharov, A. A. 1975. Evolution of the social mode of life in ants. [In Russian.]. Zoologicheskii Zhurnal 54:861-872.

Notes: June issue. Date signed for printing ("podpisano k pechati"): 26 May 1975.

Zálesky, M. 1932a. Formica exsecta pressilabris Nyl. v Podk. Rusi. Casopis Ceskoslovenské Spolecnosti Entomologické 29:52-53.
Zálesky, M. 1932b. Dva dalsí rody podceledi Camponotinae Mayr (Form.) v Podkarpatské Rusi. Casopis Ceskoslovenské Spolecnosti Entomologické 29:53-54.