204 
Psyche 
[June-September 
Figures 1-4. Pentastruma spp., workers. Fig. 1, P. sauteri holotype, head in full- 
face dorsal view. Fig. 2, P. canina new species, paratype from type nest series, head in 
full-face dorsal view. Fig. 3, same, side view. Fig. 4, same, another paranidotype, 
mandible greatly enlarged. Figs. 1-3 to same scale; scale line = 0.2 mm. Drawings by 
Ronald G. Boisvert. 
