LIST OF DIPTERA. 385 



linear, obconical towards the tip, as broad as the chest and much 

 longer ; disks of the fore borders of the segments and the whole of 

 the two last segments hairless : legs piceous, stout, not armed with 

 teeth, clothed with short black hairs and beset with black bristles ; 

 thighs and shanks partly clothed with yellow hairs ; hind thighs 

 rather thick; shanks, especially the hind pair, curved ; claws black ; 

 foot- cushions piceous : wings pale brown ; disks of the areolets 

 along the hind border colourless ; wing-ribs, veins and poisers fer- 

 ruginous. Length of the body 9 lines ; of the wings 18 lines. 

 a. ? 



Group XI. 



Laphria hirtipes, Fair. Syst. And. 158, 8. Wied. Dipt. Exot. i. 



235, 5. Auss. Zweif. i. 504, 10. 

 a. Var. ? abdomen and wings entirely black. Africa. Presented by 



J. D. Tebbs, Esq. 



Laphria Xylocopiformis, n. s., fern. JEneo-atra, purpureo micans, 

 nigro pilosa, capite albo piloso, thoracis fasciculis duobusflavis, 

 antennis pedibusque nigris, alls purpureo -nigris. 



Body broad, bronze-black with a purple tint, clothed with short 

 black hairs ; head a little narrower than the chest, clothed with 

 white hairs on the crown and on the front, and with long black hairs 

 beneath ; clypeus armed with many black bristles : lip black, shin- 

 ing, not so long as the head, beset at the base with black bristles, 

 clothed at the tip with short piceous hairs : eyes black ; fore part 

 flat, tolerably distinct from the other part and composed of larger 

 facets : feelers black, very small, but little longer than half the 

 breadth of the crown between the eyes ; first and second joints 

 shining, slightly club-shaped, beset with a few black bristles ; second 

 joint more slender and a little shorter than the first ; third joint very 

 long spindle-shaped, dull, hairless, about twice the length of the 

 first and the second joints : sides of the chest thickly clothed with 

 long black hairs, and each adorned in front with a tuft of very bright 

 yellow hairs : abdomen nearly oval, smooth, shining, a little broader 

 than the chest, thickly clothed on each side with black hairs ; first 

 segment very short ; second segment short ; third and four follow- 

 ing segments of equal length ; eighth and ninth segments very 

 small : legs black, stout, thickly clothed — especially the shanks — 

 with black hairs ; hind thighs not thick nor armed with teeth ; hind 

 shanks curved slightly, but more so than the other shanks ; claws 

 black ; foot-cushions pale piceous, whitish beneath : wings black, 



