— 137 — 



Female. — Length about i5 mm., wing, i3 mm. 



Frontal prolongaliou of the head reddish, ihe palpi dark brown. An- 

 lennae wilh the ihree basai segments yeliow, tlie othevs segments graduall y 

 ])assing inlo dark browu. Head deep orange, the vertical tubercle distinct; 

 occipital mark large, broadly liiaugular, pale brown. 



Pronotum above dull yeliow. Mesonotai praescutum shiny yeliow witli 

 ihree dai'ker stripes, the médian stripe pale reddish brown, narrowed 

 l)ehind and ending before the suture; latéral stripes shiny ihroughout, 

 mnch darker ihan the médian stripe, wine-brown , iheir outer ends curved 

 (lutwards: sculum yeliow, Ihe lobes with Iwo large coniluent reddish black 

 s|)ots that continue forwards to the suture; scutellum brownish testaceus; 

 postuotuni light yellowish white.lhe posterior margin with two irregularly 

 circular spots of brown. Pleura ycllou, the latéral portions of the post- 

 notum and the mesepimera between ihe wing-root and the mesocoxa china- 

 Avhite, this also including the mesosternum belA^een ihe mesocoxa and 

 metacoxa ; a large reddish black spot on the mesosteinum imrnediately in 

 front of the mesocoxa; mesepistcrnum \\\\\\ indistinct reddish blotches. 

 Haltères dark brown, the tips of the knobs indistinclly yeliow. Legs with 

 ihecoxae reddish \ellow; frochanters dull yeliow; femora dull brownish 

 yeliow, broadly tipped with dark brown, very extensive on the fore legs 

 Avhere less than the basai third is pale, narrowesl on tb^ hind legs where 

 the basai Iwo-thirds are pale; fore tibiae and tarsi brownish black; hind 

 tibiae and tarsi dark biown, the former tipped with still darker brown. 

 Wings grayish, the costal and subcostal cells more yellowish ; wing-apex 

 indislinctly darkeued; stigma oval, dark brown; an indistinct brown seam 

 along the cord continued to cell ist M^. Venation : Gel! ist il/2 broadly 

 sessile; fusion of Cu\ and M slight. 



Abdominal tergites yeliow, the latéral margins of the segments nar- 

 lowly blackened, on the second to seventh segments with a broad black 

 caudal margin; less distinct transverse markings on the fîrst teigile and 

 very faintly on the basai haif of the second tergite. Ovipositor reddish 

 horn-colored. 



Habitat. — Egyptian Soudan. 



Holotype, $ , Province de Seunar. 1907 (Ch. Alluaud). 



Type in the Paris Muséum. 



