A Monograph of Egyptian Diptera. K)7 



the posterior end there is at each side a conical, wrinkled wart 

 or filament and below them a brown posterior spiracnlar process 

 which bears the spiracles on the truncated end; this is wrinkled 

 in its basal part. He gives the length as fully 6 mm., but Lundbeck 

 si ales that Herold gives 8-11 mm. (which I think must be the cor- 

 rect length). 



The species of Earner us are curious, interesting and character- 

 istic flies, which seem to mimic bees in their flight. They occur on 

 various flowers in gardens and in waste places and our E. vest it us 

 is nearly always found sitting on hot sandy places. 



Of the genus over 4U species are known from the Palaearctic 

 region, three of which have so far been found in Egypt. 



TABLE OF EGYPTIAN SPECIES. 



1 (2) Radius 4 + 5 with a deep loop almost as 



in Eristalis, (PL VI, fig. 0) 1 muscidus Bez. 



2 (1) Radius 4 5 only slightly dipped. 



3 (4) Hind metatarsi of male a little swollen 



and with very shorl inconspicuous pubes- 

 cence, (PI. VI, fig. 3, PI. I, fig. 14 and 

 PL II, figs. 3 and 10) 3 amcenus Lw. 



4 (3) Hind metatarsi of male very swollen, 



incrassate and very hairy, (PL VI, fig.4)". 3 vestitic? Bez. 



1. E. MUSCIDUS FiEZ. (PI. IV., fig. 6) 



Bez., Syrph. sethiop. Mus. Nat. hungarici, 14. (22), 16; (24) 59. 

 (female) (1921). 



DIAGNOSIS: — Abdomen with some yellowish-red markings; 

 legs rather simple and slender; scutellum with pale, dense pubes- 

 cence; Radius 4 + 5 with a deep loop. 



DESCRIPTION:— Female: Face and frons entirely shining 

 asneous-black and covered with white hairs, which, on the face and 

 the sides of the upper part of the frons, possess a silvery sheen; 



