130 Annals Entomological Society of America  [Vol. V,. 
Mesothorax well developed and rounded, with more or less well 
defined parapsidal grooves. Surface finely and evenly shagreened and 
clothed in'a rather dense short pubescence. Color rather variable, 
mainly dark fuscous. The space between the parapsidal grooves may 
be of a somewhat lighter color than the lateral portions and there may 
be a distinct still lighter median line. Scutellum very large and well 
defined. Wing veins testaceous. The brown stigma has a very con- 
spicuous white basal spot which extends on to the costa. ‘‘Metathorax”’ 
with a distinct complete hind carina. Surface rather more coarsely 
Apterous 3 
3 with Vestigial Wings. 
Antenna. 
Types of Fetiole. Metat horacic 
Carma. 
Eig. 4. Pezomachus flavocinctus. 
