ASILUS. 53 



cinereis, abdominis disco interrupte fusco, pedibus nigris. Long. 7-8 ; 

 alar. 12-13 lin. 



Hoary, very slightly tinged with fawn-colour. Head clothed beneath 

 with white hairs, fringed behind with white bristles ; epistoma very 

 prominent, beset with a few black bristles, and towards the peristoma 

 with more white bristles ; sides of the peristoma beset with slender 

 white bristles. AntennaB black ; first and second joints beset with 

 black bristles. Thorax clothed with short black hairs, beset on each 

 side with long white bristles, having 3 broad brown stripes, the middle 

 one imperfectly divided by a paler stripe. Wings pale grey. Halteres 

 tawny. Disc of the abdomen brown, except the hind borders of the 

 segments, which are hoary and beset with white bristles. Legs black, 

 clothed with hoary ; femora and tibiae beset with white bristles ; tarsi 

 beset with black bristles. 



Rare. In Mr. Stephens' s collection. (E.) 



7. rusticus, Mg. zw. ii. 311. 7 (1820) ; Iw.genualis, Ztt. 

 Cinereus, capite fnlvo, antennis nigris, thorace fusco-quadrivittato, alis 

 ad apices et ad margines posticos cinereis, abdominis apice nigro, 

 pedibus nigris. Long. 8-^-9 ; alar. 13-14 lin. 



Cinereous. Head with a pale tawny covering, thickly clothed beneath 

 with yellowish-white hairs ; a few black hairs on each side of the 

 crown, and a fringe of white bristles behind the eyes ; epistoma very 

 convex, beset with yellowish-white bristles ; a few black bristles above 

 and on each side. Palpi black, clothed with pale hairs. Antenna? 

 black; first and second joints clothed with yellowish-white hairs. 

 Thorax clothed with short black hairs, beset on each side and behind 

 with white bristles, having 4 brown stripes ; middle pair partly united ; 

 side pair broader, interrupted. Wings grey at the tips and along the 

 hind borders; veins black, tawny at the base. Halteres tawny. 

 Abdomen clothed with short tawny hairs ; sides and hind borders of 

 the segments brown; tip black. Legs black, clothed with tawny 

 hairs, armed with yellowish-white spines ; hind tarsi armed also with 

 black spines ; tibia3 red at the base. 



Rare. In Mr. Saunders's collection. (E.) 



8. atricapillus, Fin. d. s. 10. 5 (1814); Mg. ; Ztt.; Lw. 

 opacus, Mg. ; Mq. calceatus, Mg. bicornis, Zll. subulatus, Lw. rufi- 

 manus ? Mg. ; Mq. plebeius ? Mg. ; Mq. Cervinus, antennis nigris, 

 thorace fusco-quadrivittato, alis cinereis basi limpidis, abdominis segmen- 

 torum margmibus posticis fuscis, pedibus runs nigro-vittatis ; Mas. 

 abdominis apice ferrugineis ; Fcem. abdominis apice nigro. Long. 

 4-8 ; alar. 7-13 lin. 



Dark fawn-colour. Head clothed with pale tawny hairs, which are 

 thick beneath ; a few black hairs on the crown, and a fringe of black 

 bristles behind the eyes ; epistoma slightly convex, beset with black 

 bristles above, and with a nearly equal number of pale yellow bristles 



