LIST OF DIPTEBA. 523 



Group 3. 



Corpus latum, crassum, non setosum. Caput hirsutissimum. 

 Facies apud epistoma subconvexa. Mystax densissime setosus ; 

 Proboscis recta, crassa. Antennarum articulus 3us longus, basi 

 apiceque subattenuatus, lo et 2o conjunctim multo longior. Tho- 

 racis latera hirta. Abdomen cingulis pilosis. Pedes pilosi, breves, 

 valde robusti ; femora incrassata, apud apices subsetosa. 



Body broad, thick, without bristles. Head very hairy. Face 

 slightly convex towards the epistoma. Mystax very thickly setose. 

 Proboscis straight, very stout. Third joint of the anteunae long, 

 slightly tapering at each end, much longer than the first and second 

 joints together. Thorax hairy on each side. Abdomen with hairy 

 bands. Legs hairy, short, very stout ; femora very thick, with a few 

 bristles towards the tips. Fore branch of the cubital vein much 

 curved near the base, slightly curved from thence to the tip ; hind 

 branch and first externo-medial straight and parallel to each other ; 

 second externo-medial straight ; third forming a nearly right angle 

 with the praebrachial, and joining the fourth very far from the bor- 

 der. Subanal joining the anal near the border. 



Laphria saffrana. 



Group 4. 



Fcem. Corpus nudum, mediocriter latum. Facies apud epi- 

 stoma valde convexa. Mystax setis plurimis. Proboscis recta, 

 linearis, lon^iuscula. Antennarum articulus 3us longissimus, sub- 

 linearis, basi apiceque subattenuatus, lo et 2o conjunctim duplo 

 longior. Femora crassa, postica subtus spinosa. 



Fern. Body bare, moderately broad. Face very convex towards 

 the epistoma. Mystax with several bristles. Proboscis straight, 

 linear, rather long. Third joint of the antennae very long, nearly 

 linear, slightly tapering towards each end, about twice the len«rtn 

 of the first and second together. Femora thick; hind femora spi- 

 nose beneath. Wings moderately long and broad. Fore fork of the 

 cubital vein undulating; hind fork curved towards the first externo- 

 medial, but remote from it on the border; first and second externo- 

 medial veins straight; third curved, forming an obtuse angle with 

 the praebracbial, joining the fourth far from the border. Subanal 

 joining the anal close to the border. 



Laphria Antsa. 



2z3 



