LIST OF DIPTERA. 383 



of the second joints : chest clothed with yellow hairs : breast and 

 under-side of the abdomen piceous, almost hairless : back of the 

 abdomen clothed with yellow hairs from the base to the middle, and 

 with black hairs thence to the tip : legs piceous, thickly clothed with 

 tawny and black hairs, not armed with teeth ; hind thighs rather 

 thick ; hind shanks slightly curved ; feet ferruginous and clothed 

 with ferruginous hairs, as are also the tips of the shanks ; claws 

 black, ferruginous at the base; foot-cushions tawny: wings colourless ; 

 wing-ribs and veins piceous, the latter black towards the tips ; 

 poisers tawny. Length of the body 1\— 8 lines ; of the wings 

 15—16 lines. 



a. Nova Scotia. Presented by F. Walker, Esq. 



b. Nova Scotia. From Lieut. Redman's collection. 



Laphria lasipes, Wied. Auss. Ziveif. i. 502, 6. 



a. Newfoundland. Presented by W. C. St. John, Esq. 



Laphria tergissa, Say, Joum. Acad. Phil. iii. 75, 5. Wied. Auss. 



Zweif. i. 502, 5. 

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



Laphria Alcanor, n. s., mas. JEneo-atra, lata, crassa, pilis nigris 

 fiavisque vestita, antennis nigris, pedibus piceis, alis subfuscis, 

 marginibus posticis sublimpidis. 



Body bronze-black, broad, stout, very thickly clothed with 

 hairs : head small, very much narrower than the chest, thickly 

 clothed with black hairs, especially on the front and on the clypeus : 

 eyes black ; fore part flat, composed of large facets, and distin- 

 guishable from the other part : lip short, stout, its tip clothed with 

 ferruginous hairs: feelers black; first joint hairy, linear; second 

 joint bristly, cup -shaped, about half the length of the first : chest 

 clothed with yellow hairs : breast almost hairless : abdomen almost 

 hairless at the base, excepting a tuft of black hairs on each side ; 

 then comes a broad yellow band of hairs extending to a little beyond 

 the middle of the back, the rest of whose surface is clothed with 

 black hairs : legs piceous, stout, thickly clothed with black and. dark 

 ferruginous hairs, not armed with teeth ; thighs rather thick ; shanks 

 curved, especially the hind pair ; tips of the thighs and under-side 

 of the fore shanks adorned with ferruginous down ; claws black ; 

 foot-cushions dark tawny : wings very light brown ; disks of the 

 areolets along the hind borders colourless ; wing-ribs and veins fer- 

 ruginous, the latter piceous towards towards the tips ; poisers dark 

 tawny. Length of the body 9 lines ; of the wings 16 lines. 



a. Massachusetts: From Prof. Sheppard's collection. 



