LIST OF DIPTERA. 375 



Group V. 



Laphria Olbus, n. s., fem. Cyanea, abdomine aneo-cyaneo, an- 

 tennis nigris, pedibus purpureo-cyaneis, alls nigro-purpureis. 



Body deep metallic blue, shining : head as broad as the chest, 

 covered with hoary down and thinly clothed with hoary hairs ; sides 

 of the crown covered with a few black hairs ; tubercle of the eyelets 

 armed with two long black bristles ; front and clypeus armed with 

 silvery down, the latter thickly beset with black bristles ; eyes dark 

 bronze ; fore part flat and composed of large facets, which, as usual, 

 diminish in size on approaching the outward border: lip rather 

 long, black, clothed at the tip with short tawny hairs ; palpi black 

 and clothed with black hairs : feelers black ; first and second joints 

 covered with black hairs ; second joint about half the length of the 

 first ; third joint long spindle-shaped, slightly concave on one side 

 near the tip, very much longer than the first and the second joints : 

 chest thinly clothed with short black hairs, beset on each side and 

 behind with a few black bristles : breast covered with hoary down : 

 abdomen linear, almost flat, with a bronze tinge, narrower and 

 longer than the chest, but much less than twice its length ; first and 

 second segments short, convex ; third and following segments long 

 and of nearly equal length ; tip tawny : legs purplish blue, covered 

 with a few short black hairs and bristles ; fore shanks and middle 

 shanks beset with some longer bristles ; fore shanks slightly curved ; 

 middle shanks straight ; hind shanks curved, clothed beneath for 

 two-thirds of the length from the base with short white hairs ; feet 

 black towards the tips, clothed beneath with ferruginous down ; 

 claws black ; foot-cushions dull ferruginous : wings purplish black ; 

 wing-ribs and veins black ; poisers yellow. Length of the body 9 

 ]ines ; of the wings 18 lines. 



a. Honduras. From Mr. Dyson's collection. 



Gronp VI. 



Laphria saffrana, Fabr. Syst. Anil. 160, 18. Wied* Dipt. Exot. i. 



234, 4. Auss. Zweif.'i. 504, 9. 

 a. North America. Presented by the Entomological Club. 

 6. ? 



Laphria erythropyga, Wied. Auss. Zweif. i. 509, 17. 



a. Brazil. From Mrs. Mornay's collection. 



b. ? 



PART II. 2 L 



