LIST OF DIPTERA. 745 



Radial as usual. Cubital vein forked at very much beyond 

 half its length; forks hardly undulating. First externo-medial 

 vein slightly curved near its base; second straight; third slightly 

 curved, forming a slightly obtuse augle with the prabrachial, join- 

 ing the fourth at some distance from the border. Subanal joining 

 the anal at a short distance from the border. 



Asilus Tamphilus, Walk. 



Group 3. 



Corpus parvnm, hirtum. Caput subtus dense pilosum. Facies 

 subconvexa. Mystax dense setosus, ad antennas non ascendeus. 

 Proboscis lanceofata. Antennarum articultts lus 2o duplo longior ; 

 3us lanceolatus, lo aequalis ; arista 3o paullo longior. Thoracis 

 latera setosa. Abdomen oblanceolatum, thorace plus duplo longius, 

 alas paullo superans, basim versus praesertim pilosum. Sexualia 

 parva ; forceps subarcuatus. Pedes sat validi, hirti, spiuosi. 



Cubital vein forked at very much beyond half its length; fore 

 fork nearly straight ; hind fork undulating. First and second 

 externo-medial veins nearly straight ; third hardly curved, forming 

 an obtuse angle with the prEebrachial, joining the fourth far from 

 the border. Subanal joining the anal at some little distance from 

 the border. 

 Asilus Echepolis, Walk. 



Group 4. 



Mas. Corpus mediocre, hirtum. Caput subtus densissime 

 pilosum. Facies convexa. Mystax densissime setosus, antennas 

 non attingens. Proboscis gracilis, sublanceolato. Thoracis latera 

 et scutellum setosa. Abdomen sublineare, alas non superans. 

 Sexualia mediocria ; forceps crassus, arcuatus. Pedes pilosi, setosi, 

 sat graciles. 



Veins of the wings like those of Asilus Balacrus. 



Asilus Sophus, Walk. 



Group 5. 



Fcem. Corpus mediocre, hirtum. Caput subtus densissime 

 pilosum. Facies convexa. Mystax maguus, densissime setosus. 

 Proboscis sublanceolata. Antennarum articulus lus 2o duplo lon- 

 gior; 3us lanceolatus, lo paullo longior; arista 3o non longior. 

 Thoracis latera et scutellum setosa. Abdomen oblanceolatum, 

 thorace non duplo lons?ius, alas non superans, apice compressum 

 acuminatum. Pedes robusti, hirti, spinosi. 



