|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)
|    Lateral portions of clypeus not raised into sharp-edged ridges on each side in front of the antennal insertions (Fig. 91).||...14.|
| Please send any questions or comments regarding these pages to Tim Linksvayer (Tim.Linksvayer@alumni.carleton.edu)