280 LIST OF DIPTERA. 





brown at the base and along the fore borders, and each having ten 

 small brown spots which cloud the veins on the white part ; wing- 

 ribs and veins piceous ; poisers tawny. Length of the body 4 lines ; 

 of the wings 12 lines. 



Bombylius helvus, Wied. Auss. Zweif. i. 336, 8. 

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



Bombylius favillaceus, Meig. Dipt. ii. 211, 37. B. cinerascens, 



Meig. Klass. Zweif. i. 185, 15. 

 a. France. 



Bombylius mexicanus, Wied. Dipt. Exot. i. 166, 10. Auss. Zweif. 



i. 338,11. 

 a. Florida. Presented by E. Doubleday, Esq. 



Bombylius ctenopterus, Milcan, Monogr. 45, 8, pi. 3, /. 8. Meig. 



Dipt. ii. 204, 24. Macq. Hist. Nat. Dipt. i. 382, 21. Gim. 



Bull. Soc. Imp. NaL Mosc. 1847, 1, 222, 15. 

 a. France. 



Bombylius tibialis, n. s. Niger, pilis fulvis vestitus, capite pilis 

 nonnullis nigris vario, antennis pedibusque nigris, tibiis fulvis , 

 alis limpidis, basi et ad costam subfulvis. 



Body black, thickly clothed with tawny hairs, which are rather 

 longer on the abdomen than on the chest : crown of the head beset 

 with some black hairs : eyes black : mouth much longer than the 

 cbest ; lip black : feelers black ; first joint linear ; second joint not 

 half the length of the first ; third joint linear, obconical at the base, 

 tapering from two-thirds of the length to the tip, longer than the 

 first and second joints : legs black ; thighs and shanks armed with 

 black spines ; thighs clothed with pale tawny hairs ; shanks tawny ; 

 feet clothed with short black hairs : tips of fore thighs and of mid- 

 dle thighs tawny: wings colourless, with a tawny tinge at the base 

 and along the fore borders for a little more than two-thirds of the 

 length ; wing-ribs and veins ferruginous, the latter piceous towards 

 the tips ; poisers tawny, with ferruginous knobs. Length of the 

 body 3j lines; of the wings 10 lines. 



Bombylius semifuscus, Meig. Dipt. ii. 206, 27. 



