File:Helms & Rissing 1990.pdf

Helms, Ken R. & Rissing, Steven W. 1990. Single Sex Alate Production by Colonies of Pheidole Desertorum and Pheidole Xerophila Tucsonica (Hymenoptera: Formicidae)Psyche Volume 97 (1990), Issue 3-4, Pages 213-216