THE ENTOMOLOGIST. 261 



each side and beneath. Legs tawny, long, slender ; tarsi 

 black. Wings black ; a white dot and a posterior white 

 point in the disk at one-third of the length ; a white spot 

 in the disk at half the length ; an occasional cinereous lon- 

 gitudinal streak near the hind border; tips cinereous. 

 Halteres testaceous. Length of the body 6 lines. Massowah. 



23. E. nigrifera. Female. — Black. Head tawny on each 

 side of the epistoma, which is prominent. Thorax with 

 some black bristles on each side. Wings black, with a 

 cinereous streak in the disk, with three posterior cinereous 

 dots and with paler cinereous tips. Halteres tawny. Length 

 of the body 6 lines. Mount Sinai. 



24. E. durupta. Male, — Black. Head luteous and with 

 gilded tomentum, excepting the vertex. Antennae black, 

 lanceolate, tawny towards the base. Thorax clothed with 

 yellowish hairs on the fore border, and with white hairs 

 along each side, where there are some black bristles. 

 Scutellum dark red. Abdomen red along each side and at 

 the tip ; a band of white or of yellowish pubescence on the 

 fore border of each segment; under side red. Legs black. 

 Wings black, with five cinereous spots, and along the hind 

 border with a broad cinereous space which is interrupted by 

 some black streaks along the veins. Halteres yellowish. 

 Female. — Abdomen not red ; under side with white pubes- 

 cence. Length of the body b^ — 6 lines. Hor Tamanib. 



26. E.antica. Maleandje?nale. — Black. Head with yellowish 

 pubescence and with many black bristles. Antennae lanceo- 

 late. Thorax with yellowish white hairs along the fore border 

 and along each side, where there are many black bristles. 

 Scutellum of the male ferruginous. Abdomen along each 

 side with whitish hairs and wiih black bristles, the latter most 

 prevalent in the female ; under side with whitish tomentum in 

 the male. Wings cinereous, brown along the costa ; trans- 

 verse veinlets clouded with blackish. Halteres testaceous. 

 Length of the body 5|- — 7 lines. Hor Tamanib. Tor. 



26. E. paupera. Male. — Black. Head with a prominent 

 epistoma, which has silvery white tomentum. Antennae 

 lanceolate. Sides of the thorax and of the abdomen with 

 silvery white hairs. Hind border of the scutellum tawny. 

 Pectus and under side of the abdomen with silvery white 

 tomentum. Legs black. Wings slightly cinereous, pale 



