190 
Hippoboscidae (Diptera Pupiparci) 
present figures and to add some notes. These are especially desirable as the 
species is one of considerable interest. 
Speiser seems to have been in doubt as to the identity of the sexes, but 
as he suggested, the female (Fig. 6) has the apex of the abdomen quite deeply 
Fig. 0. Allobosca crassipes Speiser, female. 
bilobed, while in the male (Fig. 7 B) it is smoothly rounded. The abdomen of 
the male bears a large, oval genital plate which is almost destitute of setae. 
In other respects it is quite as in the female. The genitalia of the male are 
entirely internal and it has not been possible to make much out of them from 
the single specimen available. 
