Allen, G. E.; Buren, W. F. 1974. Microsporidan and fungal diseases of Solenopsis invicta Buren in Brazil. Journal of the New York Entomological Society 82:125-130.
Allen, P. 1957. Studies of some intercastes of Myrmica rubra L. (Hym., Formicidae). Entomologist's Monthly Magazine 93:136-139.
Allred, D. M. 1982. Ants of Utah. Great Basin Naturalist 42:415-511.
Alonso de Medina, E.; Espadaler, X. 1981. Nota sobre la entomofauna de la Sierra de Prades (Tarragona) (Formícidos). Publicaciones del Departamento de Zoología (Barcelona) 7:67-71. PDF
Alpatov, V. V. 1922. The lower systematic categories and variation of ants. [In Russian.]. Byulleten' Vserossiiskogo Entomo-Fitopatologicheskogo S'ezda 3:10.

Notes: Not seen. Cited in Zoological Record for 1922.