LIST OF DIPTERA. 435 



Asilus Sophus, n. s. Fuscus, thoracis vittis duabus lateribusque fer- 

 rugineis, pectore fulvo> abdominis segmentorum marginibus posti- 

 cis fulvis, antennis nigris, pedibus rufis nigro variis, alts fulvis 

 apice fuscis. 



Head nearly as broad as the chest, covered with ferruginous 

 down, clothed behind and beneath with yellow hairs, beset behind 

 the eyes with black bristles ; sides of the crown furnished with black 

 hairs ; clypeus prominent, armed with long black bristles : eyes 

 large, purplish bronze ; fore part slightly convex, its facets much 

 larger than those of the other part : lip stout, black, clothed at the 

 tip with short yellow hairs ; palpi black, clothed with long black 

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

 hairs; second joint nearly as long as the first ; third joint tapering 

 from the base to the tip, nearly as long as the first and the second; 

 bristle nearly twice the length of the third joint : chest dark brown, 

 thinly clothed with black hairs, beset on each side and behind with 

 black bristles, adorned with two ferruginous stripes, which are con- 

 nected with the ferruginous sides by two oblique bands of the same 

 colour : breast tawny, with a hoary tinge, partly clothed with hoary 

 hairs : abdomen dark brown, narrower than the chest ; hind borders 

 of the segments tawny : legs red, clothed with black and tawny 

 hairs, armed with black spines ; hips, knees, feet, and tips of shanks 

 black; thighs streaked with black; foot-cushions tawny: wings 

 dark tawny, brown towards the tips ; wing-ribs piceous ; veins 

 black; poisers ferruginous. Length of the body 12? lines; of the 

 wings 16 lines. 



Asilus barbarus, Fabr. Sp. Ins. ii. 461, 4. Ent. Syst. iv. 377, 5. 

 Syst. And. 154, 5. Grnel. Ed. Syst. Nat. v. 2895, 3. Latr. 

 Gen. Crust, iv. 298. 



a. Gibraltar. Presented by B. Frend, Esq. 



b. Tunis. From Mr. Fraser's collection. 



c. Tripoli. 



d. Spain. 



Asilus crabroniformis, Linn. Faun. Suec. 1908. Gmel. Ed. Syst. 

 Nat.v. 2896,4. Fabr. Sp. Ins. ii. 461, 5. Ent. Syst. iv. 

 377, 6. Syst. And. 154, 6. Beg. Ins. vi. 98, 7, t. 14, /. 3. 

 Schceff. Icon. t. 8,/. 15. Schell. Gen. Mouch. t. 29, /. 1. 

 Geoff. Ins. ii. 468, 3, t. 17,/. 3. Frisch.Ins. iii. t. 8. Herbst. 

 Gen. Nat. viii. 118. Schrank. Faun. Boic. iii. 2541. Ins. 



PART II. 2 Q 



