LIST OF DIPTERA. 625 



ginous ; tips of claws black : wings colourless ; wing- ribs and veins 

 ferruginous ; poisers tawny. Length of the body 5 lines ; of the 

 wings 10 lines. 



a. ? From Mr. Children's collection. 



Eristalis iEsepus, n. s., mas. et fern. JEneus, capite nigro, thorace 

 vittis quinque scutelloque fulvis, abdomine fulvo fasciis tribus 

 ceneis, antennis pedibusque fulvis, tibiis posticis femoribusque vi- 

 ridibus, alls limpidis fusco ad costam bimaculatis. 



Head black, clothed on the crown with a few black hairs, in 

 front tawny and covered with tawny down : mouth black : feelers 

 tawny ; a pitchy stripe along the edge of the third joint ; bristle 

 pitchy towards the tip : eyes red, slightly bronzed, covered with 

 many little darker spots : chest and breast bronzed, thinly clothed 

 with short tawny hairs: chest adorned with five tawny stripes; 

 scutcheon tawny, its disk slightly bronzed; breast partly tawny: 

 abdomen tawny, obconical, very little shorter than the chest, 

 adorned with three bronze bands ; bands on the male of various 

 breadths, the first narrow, but widened in the middle ; bands in the 

 female broad and regular; underside of the tip bronzed: legs taw- 

 ny, clothed with short tawny hairs ; hips and thighs, except the tips 

 and hind shanks, green, the latter pale yellow at the base ; tips of 

 feet pitchy ; claws and foot-cushions tawny ; tips of claws black : 

 wings colourless ; two small brown spots on the middle of the fore 

 border ; wing-ribs and veins tawny; tips of the latter pitchy ; poi- 

 sers pale yellow. Length of the body 4 lines; of the wings 8 

 lines. 



a. China. Presented by G. T. Lay, Esq. 



b. ? 



Eristalis Agno, n. s., mas. Fulvus, capite nigro, thorace vittis qua- 

 tuor scutelloque teneis, abdomine vitta dorsali nigra fasciisque 

 nigro-fuscis, antennis ferrugineis, pedibus fulvis, tibiis anterion- 

 bus femoribusque apice ferrugineis, femoribus posticis tarsisque 

 apice necnon tibiis posticis piceis, his ferrugineo fasciatis basi 

 fiavis, alis limpidis. Fern. — Abdomine nigro maculis octo fia- 

 vis, femoribus posticis apice tibiisque posticis ferrugineis, illis 

 subtus nigris. 



Head black, covered with a white bloom, clothed with short 

 tawny hairs, pale tawny in front : mouth black : feelers pale ferru- 

 ginous ; a black stripe on the edge of the third joint ; bristle black 

 towards the tip : eyes red, slightly bronzed ; lower part covered with 



