LIST OF DIPTERA. 461 



187. Dasypogon Olivierii. 



Mas. Niger; thorax albido trilineatus ; abdomen fulvian, nigro 

 cinctum, laleribus nigro maculatis ; aim subfiavo hi/alints. 



Dasypogou Olivierii, Macq. Dipt. Exut. i. 2, 33, 1. 



Egypt. 



188. Dasypogon JEgyptius. 



Mas. Niger; abdominis segmenta 2o ad 7vm fulva lateribus 

 nigris, 2um et Sum marginibits posticis albo maculatis ; tibia 

 tarsi que f us ca ; alee liyalince, basi subfuscce, 



Dasypogon .Jlgyptius, Macq. Dipt. Exot. i. 2, 33, 2. 

 Egypt. 



Div. II. Tibiae anticae non calcavats. 



Group 1. 

 This group may be divided into two sub-groups. 



Sub-group 1. 



Corpus magnum aut maximum, robustum. Caput thorace 

 pauUo angustius. Facies nuda, vix convexa. _ Mystax apud peri- 

 stoma dense setosus. Antennae sat longae ; articulus lus 2o paullo 

 longior; 3us subclavalus, lo et 2o conjunctim multo longior. 

 Protborax crassus. Abdomen fere nudum, plus dimidio basali hir- 

 tum, apicem versus nitens ; anus spinis armatus. Pedes validi, 

 setosi ; ungues et onychia magna. 



Microstylum, p., Macq. Dipt. Exot. i. 2, 26, 3. 



Forks of the cubital vein opposite at the base to the end of the 

 discal areolet; fore fork curved forward; hind fork curved hind- 

 ward towards the first externo-medial vein. First and second 

 externo-medial veins straight; third obsolete beyond the discal 

 areolet ; fourth straight, joined lo the third by a long slightly 



PART II. 2 R 



