Figures 186 and 187, d", dorsal and ventral views 

 Fig\ires 188 and 189, 9, dorsal and ventral views 



A, 5, genital area. B to D, 5, genital area outline and profile. 

 B, unengorged. C, partly engorged. D, fully engorged. 



HYALCMMA TRUNCATIM 

 Sudan Specimens 



PLATE LIV 



- ^91- 



