704 LIST OF DIPTERA. 



142. ASILUS CON SANGUINEUS. 



Fceni. Niger ; fades barbaque alba; mystax subtus flatus ; tho- 

 rax cinereus, vittis nigris ; abdomen cinereo tomentosum ; tibia 

 testaceas ; alee subhyalince apice posticeque cinerea. 



Asilus consanguineus, Macq. Dipt. Exot. Suppl. 1, 93, 54. 



Cayenne. 



143. Asilus Gayi. 



Fo3m. Cinereus ; antennarum articulo 3us elongatus ; abdomen 

 vitta dorsali lata nigra, incisuris cinereis ; pedes nigri, tibiis 

 rufis apice nigris ; ala hyalince, apice subfuscm. 

 Asilus Gayi, Macq. Dipt. Exot. i. 2, 148, 35. Blanch. Gay, Hist. 

 Fis. Chile, Zool. iii. 270, 1, pi. 2, f. 12. 



Chili. 



144. Asilus Antiphus. 

 Asilus Antiphus, Cat. of Diptera, Pt. 2, 443. 

 Brazil. 



145. Asilus hebes. 



Foern. Cinereus ; caput et pectus cana ; mystax parvus, setis 



snpra nigris, sub/us albidis ; thorax vittis duabus dorsalibus 



maculisque sex later alibus nigricantibus ; abdominis segmenta 



maculis quadratis dorsalibus nigris; pedes obscure fulvi, 



femoribus nigris; alee subcinerea. 



Cinereous. Head and pectus hoary. Mystax with black 



bristles above and with whitish bristles beneath. Thorax with two 



dorsal blackish stripes, and on each side with three blackish spots. 



Abdominal segments with large subquadrate dorsal blackish spots, 



which diminish in size towards the base ; tip black, shining. Legs 



reddish tawny; coxae and femora black ; tibiae indistinctly marked 



with black. Wings grayish ; veins black. Halteres testaceous. 



Length of the body 5^— lines; of the wings 9—10 lines. 



a, b. Santarem, Brazil. From Mr. Bates' collection. 



146. Asilus Baletus. 

 Asilus Baletus, Cat. of Diptera, Pt. 2, 427. 

 Venezuela. 



