328 PROCEEDIIsrGS OF THE NATIONAL MUSEUM voiu 88 



Antennae inserted on a level with ventral margins of compound 

 eyes, malar space more than three-quarters height of compound 

 eye ; basal lamina of petiole at a right angle to dorsal surface 

 of petiole (as in fig. 13, i) flavopicta (p. ^31) 



5. Entire area of frons laterad and ventrad of scrobe cavity yellow 



or whitish ; diameter of lateral ocellus greater than width of 

 area between lateral ocellus and inner margin of compound 



eye leptis (p. 340) 



Not having that combination of characters 6 



6. A small glabrous patch present in scrobe cavity just dorsad 



of each autennal base 7 



Scrobe cavity lacking glabrous areas deltunbis (p. 342) 



7. Frons with a circumflex-shaped yellow mark just dorsad of 



mouth parts: a small dark brown or black area present just 



dorsad of clypeus albifrons (p. 339) 



Entire frons ventrad of antennal bases yellow : area just dorsad 

 of clypeus yellow side (p. 336) 



8. Mesopraescutum with two round, impunctate anterior eleva- 



tions dema (p. 330) 



Mesopraescutum with surface uniformly covered by large 

 punctures, surface not elevated 9 



9. Maximum dorsal length of epipygium greater than length of 



eighth tergite (ratios varying from 14:9 to 12:9) flavopicta (p. 331) 



Maximum dorsal length of epipygium equal to or less than 



length of eighth tergite 10 



10. Antennae inserted dorsad of ventral margins of compound 



eyes ; width of interantennal space equal to or greater than 

 width of space between antennal fossa and compound eye; 

 frons possessing a pair of vertical foveae ventrad of antennal 

 bases ; clypeus one and one-half times as wide as long. 



sanguineiventris (p. 335) 

 Not having that combination of characters 11 



11. Diameter of posterior ocellus greater than width of space be- 



tween ocellus and margin of compound eye ; antennal flagellum 



dark on dorsal side and light ventrad leptis (p. 340) 



Diameter of posterior ocellus less than width of space between 

 ocellus and margin of compound eye; antennal flagellum 

 uniform in color 12 



12. Propodeum with two basolateral areas shagreened, these areas 



surrounded by strong, confused carinae; coxal flange at apex 



of metepisternum smooth 13 



Propodeum' entirely rugose, not having basolateral shagreened 

 areas; coxal flange at apex of metepisternum with two or 

 three minute carinae parallel with margin delumbis (p. 342) 



13. Tergites at base of gaster rufous or red ; each tergite of gaster 



usually with a pair of lateral yellow spots side (p. 336) 



All abdominal tergites black ; usually only basal and apical ter- 

 gites of gaster with lateral yellow spots albifrons (p. 339) 



