— /lOf) — 



slraight, cliitinized rods. In ihe feniale, the valves of tiie oviposilor are 

 iieavily cliitinized, but the tipsare broken in the unique type and cannot be 

 further described. 



Habitat. — French Congo, Southern Nigeria. 



Holot\pe, cf, Lambaréné, Ogooué R. French Congo, 1912 (R. EUen- 

 berger). 



Allotvpe, 9, Oshogbo, Southern Nigeria, November 1910 (Dr. T.E.G. 

 Mayer). 



Tvpe (alcoholic) in the Collection of the Paris Muséum; allotvpe in the 

 Collection ofthe Rrilish Muséum (Natural Hislory). 



Gexus Xephrotoina Meigen. 

 Nephrotoma imerina nov. sp. 



General coloration orange-yellow, rnesonotal praescutum Avith three 

 black stripes; scutal lobes largely black; a black médian line on scutelluni 

 and postnotum; abdomen reddish, with a bhick subterminal ring; eighth 

 sternite of the rathei- large maie hypopygium fringed nie<lially with con- 

 spicuous golden-yellow hairs. 



Maie. — Length, i3 mm.; wing, i'i,5 mm.; antennae. about 5 mm. 



Female. — Length, about 16 inm.; wing, i4 mm. 



Frontal prolongation of the head obscure yellow, dark brown dorso-me- 

 diallv ; paipi vellow. Antennae moderately elongated , considerably shorler 

 than in the corresponding scx of N. madagascariensis ; basai segments 

 yellow, the distal flagellar segments pale yellowish brown. Head orange- 

 yellow, the vertical lubercle clearer orange; occipital mark triangular, 

 brown. 



Pronolum orange. Mesonotal praescutum orange-yellow with three 

 black stripes, the cephalic ends of the latéral stripes strongly outcurved; 

 sculum yellow, the lobes black, being continuations of the latéral prae- 

 scutal stripes: médian area of scutum reddish wilh a brownish black mé- 

 dian line; {fostnotum yellow with a broad, black médian slripe. Pleura 

 ligbt yellow, indistinctly striped loogitudinally with pale reddish, the 

 dorsal stripe extending across the mesepislernnm and mesepimeron, the 

 ventral slripe occupying the mesoslernum. Haltères yellow. Legs with 

 the coxae and trochanlers orange; fepiora yellowish, the tips broadly 



