NO, I 



BLACK FLIES OF GUATEMALA — DALMAT 



63 



Basil. 

 Cdcipala 



Pedisulcus 

 2 ^ far 



Fig. 3. — Inner surface of apical portion of right hind leg of female showing 

 the position and form of the calcipala and pedisulcus. Basil., basitarsus ; 2nd tar., 

 second tarsal segment. 



Ad. A 



Fig. 4. — Diagrammatic representation of the male genitalia (dorsal view). CL. 

 clasper; Ad., adminiculum; Ad. A, adminicular arm; S.p., sidepiece. 



