Taxa remaining Aphaenogaster Leptothorax Messor*# Monomorium Pheidole Stenamma Tetramorium

Figures 89,90. Myrmicinae: Tetramorium caespitum

Figure 91. Myrmicinae: Aphaenogaster fulva gp. sp.

13.Lateral portions of clypeus raised into a sharp-edged ridges on each side in front of the antennal insertions (Figs. 89,90). (one introduced species, T. caespitum, collected in all Midwestern states)	...Tetramorium
Lateral portions of clypeus not raised into sharp-edged ridges on each side in front of the antennal insertions (Fig. 91).	...14.