534 LIST OF DIPTERA. 



first externo-medial vein hardly curved, almost parallel to each 

 other. Third externo-medial forming an almost right angle with 

 the praebrachial, joining the fourth far from the border. Subanai 

 joining the anal very near the border. 



Laphria aurifrons. 



70. Laphrta dives. 

 Foem. JEnea, aurato kirta ; alee nigro-fuscce. 



Laphria dives, Wied. Auss. Zweifl. i. 524, 43. 

 Brazil. 



71. Laphria Olbus. 

 Laphria Olbus, Cat. of Diptera, Pt. 2, 375. 

 a. Guatimala. From M. Dehy's collection. 



72. Laphria bimaculata. 



Viridis ; caput et pectus nigra ; thorax albido bimaculatus ; abdo- 

 men et tibiae posticce purpurea ; alee nigro -pur purees. 



Body and legs rather thickly clothed with long hairs and 

 bristles. Head black, with whitish tomentum beneath and about 

 the eyes, clothed beneath with whitish hairs. Mystax with black 

 bristles, and towards the epistoma with white bristles. Thorax 

 purple, with black hairs and bristles ; a spot of whitish tomentum 

 on each side in front. Pectus black, with whitish tomentum. Ab- 

 domen and legs blue; tip of the abdomen and tibiae purple. Wings 

 purplish black. Halteres tawny. Length of the body 9 lines ; of 

 the wings 18 lines. 



a. Amazon district. From Mr. Bates' collection. 



73. Laphria violacea. 



FoBm. Violacea; inystax fiavidus ; antenna? pedesque nigra ; ab- 

 domen albo punctatum ; alee hyalina, postice cintrem. 



Laphria violacea, Macq. Dipt. Exot. Suppl. 1, 74, 27. 



Colombia. 



74. Laphria spinipes. 



Ftem. JEnea (nunc viridi nunc chali/beo) ; pedes ferruginei, 

 femoribus incrassatis bidentatis ; ala: fuscce. 



Laphria spinipes, Fabr. 



Brazil. 



