LIST OF DIPTERA. 547 



b. Thorax niger, aureo tomentosus. - fervens, Walk. 

 F. Alae fulvce, marginibus posticis cinereis. 



a. Femora nigro vittata. ... saeva, Walk. 



b. Femora non vittata. - constricta, Walk. 

 g. Alae fulvas, apicibus inarginibusque posticis cinereis. 



aurigeua, Walk. 

 h. Alae flavescentes. 



a. Pedes nigri. .... Bengalensis, Wied. 



b. Pedes pallidi. 



i. Thorax aurato hirtus, vittis nigellis. alternans, Wied. 

 ii. Thorax rufo pubeseens. - - luteipenuis, Macq. 



C. Thorax cinereus, vittis nigricantibus. heteroneura, Macq. 



D. Thorax fulvus, fusco vittatus. - - senomera, Macq. 



E. Thorax luteus. - - . - - gigas, Macq. 



Asiatic groups. 

 Group 1. 

 Venula discalis et vena externo-media conjunctEe. 

 Structure of L. bimaculata. 



Discal veinlet and first externo-medial vein in one line. 

 Laphria scapularis, Wied. 



Group 2. 



Corpus gracile, pilis setisque paucis. Facies plana. Mystax 

 parce setosus. Proboscis brevis, robusta, recta, lanceolata. Anten- 

 narum articulus 3us longifusiformis, lo et 2o conjunctim paullo 

 longior. Pedes setosi, sat graciles. 



Body slender, with a few hairs and bristles. Face flat. 

 Mystax with a few bristles. Proboscis short, stout, straight, lan- 

 ceolate. Third joint of the antennas elongate-fusiform, rather 

 longer than the first and the second together. Legs bristly, rather 

 slender. Fore fork of the cubital vein slightly undulating ; hind 

 fork slightly curved, inclined to the first externo-medial, but at some 

 distance from it on the border ; first and second externo-medial 

 veins straight ; third forming an obtuse angle with the praebrachial, 

 and joining the fourth very near the border. Subanal united to the 

 anal very near the border. 



Laphria Taphius, Walk. 



3b 3 



