88 



U.S. NATIONAL MUSEUM BULLETIN 2 68 



Figures 75-76. — 7S, E.lacunosa Scullen (a = female face, b = female profile, c=male face, 

 d = female mandible, lateral view, e = female mandible, mesal view, f= female wing, 

 g=male wing, h=female pygidium, i = male pygidium, j = male antennae); 76, E. mela- 

 nosa Scullen (a = male face, b = male wing, c = male pygidium). 



