A Monograph of Egyptian Diptera. 1 19 



ing in the centre, the top angle of which reaches the darkened 

 base of the petiole 



Length of body excluding the antennas: about 9 mm. 



Length of body including the antennas: about 11 mm. 



This very interesting species is very rare. I possess only 

 two individuals, one male and one female, given me by Mr. F.C. 

 Willcocks and labelled "Ghezireh 1906." 



It is known to occur in Central Europe, North Africa and 

 Asia Minor. 



