Bui. 122, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate IV. 



Immature Stages of the Argentine Ant. (Original.) 



A, eggs; B. larv;t" and worker pnpce; C, larva-, more enlarged: D, piip;e of workers; at center 

 male pupa. All enlarged. (Senior author'sillusiration.) ' 



