South African Higher Myodarii (Dip' era Calyptratae). 483 



narrower ; C. evolans belongs to the large-bodied group, and has only 

 1 + 1 steruopleural setae. 



GEN. EXOEISTA Meig. 



EXORISTA PILIPES, n. Sp. 



Fig. 2. 



A species which ought to be in a genus by itself. It has 2 sterno- 

 pleural setae as in the genus CarceUa E. I)., but the head is different 



FIG. 2. ? . 



and resembles that of the genus Blepliaripoda B. B. Peristome wide, 

 as is also the projection of the frons, antennae short, great vibrissae 

 inserted a little above the buccal opening. In the $ the anterior 

 tibiae are villose inwardly, the villosity is very long in the median 

 part. 



Exorista pilipes has the habitus and coloration of the palaearctic 

 E. (jlauca Meig. Head white with chalky sheen ; frons nearly equal in 

 the two sexes, equal to half the diameter from the eye to the vertex ; 

 frontal band as broad as the orbits. Frontal ciliae somewhat slender, 

 projecting, little beyond the insertion of the antennae, and hardly 

 reaching the middle of the second joint ; 3 or 4 ascending frontal on 

 each side ; 1 pair of ocellary setae, well developed but moderately 



