320 Bulletin de la Société Royale Enlcmologi'jue d Egypte 
width. Row of frontals descends on gena to base of 
arista. Gênai bristles weak and short, ascending lo 
scattered bristles on upper gena (parafacials). Lateral 
verticals absent. Vibrissae above oral margin at a 
distance equal to the breadth of third antennal seg¬ 
ment. Retro-ocular cilia in three rows. Antenna and 
palpi black. Third segment of antenna almost three 
times the second. Vertex, genae and posterior orbitals 
golden; face and cheeks silvery; beard white haired. 
Front a little prominent. 
Thorax. — Prescutellar pair of acrostichals pre¬ 
sent. Three ps. dc., sometimes a fourth pair (anterior). 
stpl. I : I : I Anterior spiracle (prothoracic) reddish 
brown. Submedian small stripes of mesonotum only 
a little extended beyond suture. Scutellum with a 
weak, crossed and somewhat erected apical pair. 
Wings. — Costal spine absent. Third vein hairy 
above and below only at its base. Section III of costa 
about one and one third times section V. Alulae white 
and fringed with white hairs; halteres brown. 
Legs. — Middle femur with short comb, formed 
by four stout bristles. Femora and tibiae of all legs 
with a long fringe of fine hairs. Posterior femur with 
two rows of bristles on antero-dorsal face. Posterior 
tibia slightly curved. Claws and pul villi black. 
Abdomen. — Median pair of marginal bristles 
absent on second segment. Venter densely hairy. 
First segment of hypopygium longer than broad, 
shining dark brown and thickly black haired. The 
hairs on posterior margin only slightly stouter than 
the others. Second segment orange and fifth sternite 
blackish, both thickly haired. 
