The mesogramma Group

Diagnosis.—Ventral margin of epandrium straight or convex (Fig. 67, 77, 86); neohypandrium band-like, strongly deflected. postgonite lobate, proximal margin slightly convex; distal process triangular, sometimes bifurcate, ventral process long and narrow; aedeagus with ventral process, in dorsal view oval, in lateral view ventral margin broadly oval; distal margin of the dorsal aedeagal opening broadly incised with lateral processes; phallapodeme in lateral view (Figs. 44, 55, 63, 70) mostly arcuate deflected, in dorsal view generally with broad proximal extension and lateral process variously developed.

Nearctic species included in the mesogramma group are: Scatophila adamsi Cresson, S. hesperia Sturtevant and Wheeler, S. mesogramma (Loew), S. iowana Wheeler, S. ordinaria Sturtevant and Wheeler, and S. viridella Sturtevant and Wheeler.