492 N. C. AGR. EXP. STA. BUL. 239 
longitudinal axis, yellow; face yellow with a short median apical vitta below 
dorsal carina, a narrow stripe on clypeus on each side parallel to lateral 
clypeal suture and confluent with its complement below to form a median 
stripe on clypellus, black; thoracic pleura and legs, yellow. Female unknown. 
Holotype male, Bolivia (MMB). One male, Coroico, Yungas, Bolivia 
(OSU). 
M. grapta, n. sp., differs from all other species in the genus in that the male 
pygofer bears processes which arise on the ventral margin. 
Mesogonia semilucida, NEW SPECIES 
FiGuURE 403 
Length of male 8.5-9.1 mm. Head with median length of crown varying 
from less than one-half (holotype) to more than six-tenths interocular width 
and from slightly more than one-fourth (holotype) to more than one-third 
transocular width, ocelli located on a line between anterior eye angles and 
each equidistant from adjacent anterior eye angle and median line of crown, 
crown concave in area before ocelli and behind anterior carina; clypeus with 


FIGURE 402.—Mesogonia braccatula (Jacobi) (a from specimen from Tingo 
Maria, Peru; remainder from Itaituba, Brazil): p, Male pygofer apex, left 
side, from dorsal view; g, anterior dorsum. 
