622 LIST OF DIPTEEA. 



breast covered with a grayish tawny bloom, clothed with short taw- 

 ny hairs : abdomen obconical, a little longer than the chest ; sides 

 of the segments adorned with large tawny spots : legs black, clothed 

 with short tawny hairs ; shanks and feet dark ferruginous ; foot- 

 cushions tawny ; claws black, ferruginous at the base ; hind thighs 

 rather thick ; hind shanks slightly curved ; hind feet pitchy : wings 

 yellowish brown, darkest about the middle, and darker thence to the 

 tips than towards the base ; wing-ribs pitchy ; veins black, pitchy 

 towards the base. Length of the body 6 lines; of the wings 12 

 lines. 



Eeistalis lateralis, Walker, Linn. Trans, xvii. 347, 42. Allied to 

 E. fasciatus, Wied. Auss. Ziveif. ii. 173, 29. 



a. St. Paul. Presented by the Entomological Club. 



b. Chili. From Mr. Cuming's collection. 



c. Mexico. Presented by E. P. Coffin, Esq. 



d. Jamaica. From Mr. Gosse's collection. 



e. Jamaica. From Mr. Gosse's collection. 

 /. Cayenne. 



g. ? Presented by Sir E. Belcher. 



Eeistalis diminutus, n. s., fern. Niger, scutello fulvo, abdominis 

 lateribus basi segmentorum marginibus posticis ventreque fulvis, 

 antennis pedibusque nigris, libiis basi genubusque ferrugineis , 

 alis limpidis. 



Body black : head covered with hoary down, clothed with pale 

 short tawny hairs; crown beset with a few black hairs: feelers 

 black; third joint pitchy; bristle reddish brown: eyes very dark 

 red, clothed with short black hairs ; all the facets very small : chest 

 and breast thickly clothed with short tawny hairs ; scutcheon tawny : 

 abdomen obconical, a little broader but not longer than the chest, 

 thinly clothed with short tawny hairs ; a large tawny spot on each 

 side of the base ; hind borders of the segments tawny ; underside 

 tawny, with a black tip : legs black, clothed with short tawny hairs ; 

 shanks at the base and knees ferruginous ; hind shanks curved ; 

 hind thighs rather thick ; claws black ; foot-cushions dark tawny : 

 wings colourless ; wing-ribs pitchy ; veins black ; poisers yellow. 

 Length of the body 3 J lines ; of the wings 7 lines. 



a. Mexico. Presented by E. P. Coffin, Esq. 



Eeistalis agrorum, Fabr. Syst. Anil. 235, 12. Wied. Auss. Zweif. 

 ii. 172, 28. Syrphus agrorum, Fabr. Ent. Syst. iv. 285, 27. 



a. ? 



b. ? From Mr. Children's collection. 





