302 



Hominoxious Arthropods 



qq. Fifth ventral sclerite of the male plainly 

 visible; sternopleurals usually two. 

 Sarcophila, Wohlfahrtia, Br achy coma, 

 Hilarella, Miltogramma, Metopia , 

 Macronychia,, Nyctia, Paramacrony- 

 chia, Pachyphthalmus, etc. 

 pp. Fifth ventral abdominal sclerite of the 



male cleft to beyond the middle; ventral 



sclerites usually visible, shield-like. 



Rhinophora, Phyto, Melanophora. 



RHIXOPHORIK^E 



V 



164. Glossina palpalis. (x4.) After Austen. 



nn. Second ventral abdominal sclerite as well as 

 the others more or less covered, sometimes 

 wholly, by the edges of the dorsal sclerite. 

 o. The presutural intraalar wanting; ventral 

 sclerites two to five nearly or quite covered 

 by the edges of the corresponding dorsal 

 sclerites; base of the antennae usually at or 

 below the middle of the eye; arista usually 

 plumose; legs usually elongate; abdomi- 

 nal segments with marginal and often 



discal macrochaetae DEXIID^E 



oo. Presutural intraalar present, if absent, then 

 the ventral sclerites broadly exposed 

 or the fifth ventral sclerite vestigial; 



