9. Monomorium minutum Mayr,

Zool.-bot. Ges. Wien, Verh. 5: 453, 1855.

Wheeler, B. P. Bishop Mus., 0cc. Papers 11 (11): 23, 1935.

Piti, Aug. 4, Sept. 26, Nov. 3, swept from lawn grass and found in garden, Swezey; Fadian, Aug. 19, Swezey.

Another very small black ant, having several varieties distributed to various Pacific island groups. Not previously recorded from Guam.