520 N. C. AGR. EXP. STA. BUL. 239 
Male pygofer with dorsoapical portion produced in a short convex lobe 
bearing few macrosetae, with numerous microsetae in a group parallel to 
posteroventral margin. Plates extending posteriorly as far as apex of pygofer, 
each tapered near midlength, each bearing numerous microsetae in apical 
two-thirds. Style extending posteriorly beyond apex of connective, bisinuate, 
without preapical lobe, apex rounded. Connective transverse, broadly 
triangular. Aedeagus with shaft curved dorsad, without processes. Paraphyses 
absent. 
Female genitalia much as in illustration of specimen of Mesogonia sp. from 
Bafios, Ecuador (fig. 430), but with dorsal teeth of second valvulae more 
nearly quadrate. 
Typical variety with ground color of crown, pronotum, and scutellum dull 
yellow, crown with a median stripe extending from posterior margin almost to 
apex and a shorter parallel stripe on each side extending from ocellus to an- 
terior margin, pale brown to black, the lateral markings reduced in some 
specimens to a black spot surrounding each ocellus; pronotum with a short 
longitudinal stripe on disk on each side of median line with a lateral extension 
from each extremity, pale brown to black, the anterior extension lacking in 
some specimens; scutellum with an angular mark in each basal angle and a 
pair of parallel longitudinal stripes in basal half, pale brown to black; fore- 
wing brown to black to bases of anteapical cells, with some longitudinal veins 
and occasionally additional broader diagonal areas in basal portion of clavus 
paler; face, thoracic pleura, and legs, yellow, except a black spot on upper 

FIGURE 430.—Mesogonia sp. (specimens from Bafios, Ecuador): p, Female ab- 
dominal sternum VII from ventral view; q, teeth at base of toothed portion of 
dorsal margin of second valvula. 
