LIST OF DIPTERA. 549 



Baccha Babista, n. s., mas. JEnea, f route flaw, scutello ferrugi- 

 neo, abdominis basi maculis quatuor apiceque ferrugineis, anten- 

 nis pedibusque fulvis, femoribus posticis piceis, alis limpidis ad 

 costam fuscis. 



Body coppery: head a little broader than the chest, yellow, 

 with a steel blue stripe in front, clothed behind and beneath with 

 white down : eyes red; facets small : mouth piceous : feelers taw- 

 ny : chest clothed with short tawny hairs ; breast steel blue, clothed 

 with short hoary hairs ; scutcheon ferruginous : abdomen adorned 

 with a feiTUginous band at the base, a ferruginous spot on each side 

 in the middle, and with another pair of spots nearer the tip, which 

 is dark ferruginous: legs tawny; hips steel blue; hind thighs 

 mostly piceous : wings colourless, tinged with brown along the fore 

 border from the base to the brand, which is dark brown ; wing-ribs 

 ferruginous ; veins black ; poisers tawny. Length of the body 

 5 lines ; of the wings 8 lines. 



a. Georgia. From Mr. Abbot's collection. 



Baccha Tarchetius, n. s., fem. Nigro-cyanea, fronte thoracisque 

 maculis duabus flavis, abdomine maculis sex apiceque fulvis, an- 

 tennis pedibusque fulvis, pedibus posticis fuscis, alis subcinereis 

 ad costam fuscis. 



Body bluish black : head a little broader than the chest, white, 

 and beset with short white hairs behind ; front yellow, with a black 

 stripe, which is shortened towards the mouth : eyes piceous, bright 

 red in front : mouth and feelers tawny : abdomen a little more than 

 twice the length of the chest, broader towards the base than that of 

 B. Babista, adorned with three tawny spots on each side ; tip also 

 tawny : legs tawny ; hind legs brown, their thighs and shanks tawny 

 towards the base : wings slightly gray, dark brown along the fore 

 borders for the whole length and for full one-third of the breadth ; 

 wing-ribs piceous; veins black; poisers tawny. Length of the 

 body 4£ lines ; of the wings 8 lines. 



a. Georgia From Mr. Abbot's collection. 



Baccha Amphithoe, n. s. Flava, thoracis disco ceneo, abdomine fer- 

 rugineo, apicem versus ceneo flavoque fasciato, pedibus flavis, alis 

 limpidis costa? basi fulvis apice fuscis. 



Head wanting : chest and breast yellow ; disk of the chest 

 bronze : abdomen ferruginous, bronze, and adorned with a yellow 

 band towards the tip : legs yellow : wings colourless, tawny along 

 the fore borders for half their length, brown thence to the tips : 



3c 3 



