Séance du 22 Oclobl'c 1924 
349 
tructed by a roof-like prolongation of seventh 
tergite; small transverse vein a little beyond 
middle of discal cell . . Sbgen. Dasophrys Lw. 
3 . Sternites of abdomen with strong bristles before 
the hind margins . 4 
Sternites only with more or less long hairs . . 5 
4 . First posterior cell closed and petiolated. 
...Sbgen. Megadrillus Big. 
First posterior cell open . 
. Sbgen. Lophopcltis Herrn, in litt. 
5 . Small cross-vein oblique and S-like, curved or 
bent in an angle; hypopygiurn large, oblong or 
rounded, forceps split into two more or less 
long processes; cerei of ovipositor rounded or 
pressed against each other, so that they appear 
as a single point. . Sbgen. Neolophonotus s.str. 
Small cross-vein straight, placed more or less 
vertically on discal vein; liypopygium small, 
forceps not split; ovipositor with two points... 
. Sbgen. Lophybus Herrn, in litt. 
7. Dysmachus P verticiUatus Beck. — Oviposi¬ 
tor with two points; sides of metanotum with hairs.— 
9 Assouan 26.I.1913; o* Mariout 1 5 .II. 1928; ç? Suez 
Rd. 20.III. 1922. 
8. Cerdistus (Neomochtherus) clypeatus Beck. — 
cf 9 Wadi Hoff 5 .V. 1922; 9 Wadi Hoff 6.VI.1921. 
N eomochtherus O.-S. is a subgenus of Cerdistus 
Lw. according to Becker (Revision d. Loew’schen 
Diptera Asilica, Wien 1923), but HeUgmoneura Bigot 
