LIST OF D1PTERA. 531 



parallel to eaeh other ; second externo-medial straight ; third forming 

 ;tn almost right angle with the prsebrachial, joining the fourth far 

 from the holder. Subanal joining the anal very near the horder. 



Laphria bimaculata. 



Group 3. 



Corpus metallicolor, fere nudum. Facies apud epistoma sub- 



convexa. Mystax setis paucissimis. Proboscis recta, sat longa. 



Antennarum articulus 3us sublinearis, basi apiceque subattenuatus, 

 lo et 2o conjunctim multo longior. 



Body metallic, almost bare. Face slightly convex towards the 

 epistoma. Mystax with very few bristles. Proboscis straight, 

 rather long. Third joint of the antennas nearly linear, slightly 

 tapering towards the tip, very much longer than the first and the 

 second together. Fore fork of the cubital vein slightly undulating; 

 hind fork and first externo-medial straight and parallel to each 

 other; second straight; third slightly curved, forming an obtuse 

 angle with the praebracbial, joining the fourth at some distance from 

 the border. Subanal joining the anal very near the border. 



Laphria spiuipes. 



Group 4. 



Caput et thorax dense et breviter hirta. Facies latissima, sub- 

 convexa. Mystax setis plurimis validis abbreviatis. Proboscis 

 brevis, recta, crassa. Antennarum articulus 3us fusiformis, latius- 

 culus, lo et 2o conjunctim paullo longior. Abdomen subpubes- 

 cens, lateribus parce setosis. Pedes validi, pilosissimi ; femora 

 crassa. 



Head and thorax thickly clothed with short hairs. Face very 

 broad, slightly convex. Mystax with numerous short stout bristles. 

 Proboscis short, straight, very stout. Third joint of the antennae 

 fusiform, comparatively broad, rather longer than the first and 

 the second together. Abdomen thinly pubescent, with a few short 

 stout bristles on each side. Legs stout, very hairy; femora thick. 

 Fore fork of the cubital vein undulating; hind fork united to the 

 first externo-medial at some distance from the border ; second ex- 

 terno-medial straight ; third curved, forming a nearly right angle 

 with the praabracbial, and joining the fourth far from the border. 

 Subanal united to the anal at some distance from the border. 



Laphria pyrrhopyga. 



PART III. 3 a 



