LIST OF DIPTERA. 367 



Ceraturgus. Wiedemann. 



Ceraturgus fasciatus, n. s., mas. Niger, flavo varius, abdominis 

 segmentis flavo vittatis, antennis nigris, pedibus fulvis, femori- 

 bus nigris, alis flavo-fuscis. 



Body black, linear : head as broad as the chest, clothed with 

 shining yellow down along the hind rims of the eyes ; tubercle of 

 the eyelets beset with some tawny hairs ; front and sides of the 

 crown covered with ferruginous down ; clypeus clothed with long 

 red and brown hairs : eyes brassy red ; fore part flat, composed of 

 larger facets, and distinct from the other part : lip short, black, 

 shining, its tip ferruginous and clothed with very short yellow hairs : 

 feelers black, more than twice the length of the head ; first and se- 

 cond joints thinly clothed with yellow hairs ; second joint a little 

 shorter than the first ; third joint linear, much longer than the first 

 and the second joints ; fourth joint short, oblique at the tip ; fifth 

 joint linear, thickly clothed with black down, a little longer and 

 broader than the fourth : chest and breast slightly covered with pale 

 yellow down, which is more thick on some parts, and forms two 

 spots on the disk, a band along the hind border of the scutcheon, 

 and some stripes on each side : abdomen linear, convex, thinly 

 clothed with short yellow hairs, rather narrower than the chest and 

 less than twice its length ; each segment with a broad band of yel- 

 low down on its hind border ; first segment very short; second seg- 

 ment short ; third segment long ; the following segments suc- 

 cessively decreasing in length ; a tuft of long yellow hairs on each 

 side of the tip : legs tawny, clothed with very short yellow hairs ; 

 hips and thighs black, tips of the latter ferruginous ; shanks and 

 feet beset with a few yellow spines ; claws black, tawny at the 

 base ; foot-cushions yellow ; hind thighs slender ; hind shanks 

 straight : wings yellowish brown for two-thirds of the length, tawny 

 from thence to the tips and along the hind borders ; wing-ribs fer- 

 ruginous ; veins piceous, ferruginous at the base, black at the tips ; 

 poisers tawny. Length of the body 7 lines ; of the wings 13 lines. 



a. New York. Presented by the Entomological Club. 



Ceraturgus (?) Andocides, n. s., mas. Niger, pilis flavis vestitns, 

 humeris rujis, antennis nigris, pedibus riifis, femoribus nigris, 

 alis fuscis basi pallidioribus. 



Body black, stout, dull : head hardly as broad as the chest, 

 clothed with long pale yellow hairs, which are most thick beneath ; 

 tubercle of the eyelets beset with four tawny bristles ; front clothed 

 with long shining pale yellow hairs, as is also the clypeus, where 



2 k3 



