748 LIST OF DIPTEEA. 



First externo-medial slightly curved near its base; second straight: 

 third very slightly curved, forming an abtuse angle with the prse- 

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

 the anal at some distance from the border. 



Asilus Corymeta, Walk. 



Group 11. 



Corpus maximum, parce hirtum. Caput subtus pilosura. 

 Facies valde convexa. Mystax vix dense setosus. Proboscis gra- 

 cilis, sublauceolala. Antennarum articulus 1 us 2o plus duplo lon- 

 gior ; 3us lanceolatus, lo brevior ; arista 3o fere triplo longior. 

 Thorax setis nonnullis lateralibus et posticis. Pedes validi, spinosi, 

 hirti. 



Cubital vein forked at rather beyond half its length ; fore fork 

 almost straight; hind fork slightly undulating. First externo- 

 inedial vein very slightly curved ; second straight, slightly curved, 

 forming a very slightly obtuse angle with the prapbrachial, joining 

 the fourth far from the border. Subanal joining the anal near the 

 border. 



Asilus Eanes, Walk. 



Group 12. 



Fctm. Corpus mediocre, fere nudum. Caput subtus densis- 

 sime pilosum. Facies subcouvexa. Mystax parvus, densissime 

 setosus. Proboscis sublinearis. Thoracis dorsum et latera parce 

 setosa. Abdomen oblanceolatum, apice nitens vix compressum, 

 alas paullo superans. Pedes sat validi, spinosi, fere nudi. 



Radial as usual. Cubital vein forked at much beyond half its 

 length ; forks slightly undulating. First, second and third extemo- 

 medial veins nearly straight ; third forming a hardly obtuse angle 

 with the pragbrachial, joining the fourth far from the border. Sub- 

 anal joining the anal near the border. 



Asilus Penarius, Walk. 



Group 13. 



Fcem. Corpus mediocre, subpubescens. Caput subtus dense 

 pilosum. Facies plana. Mystax densissime setosus, antennas fere 

 attingens. Proboscis sublinearis. Thoracis latera et scutellum 

 subsetosa. Abdomen longiusculum, oblanceolatum, thorace plus 

 duplo longius, alas superaus, apicem versus subcylindricum. Pedes 

 graciles, breviter spinosi. 



