ARABIAN HTMENOPTERA. 5 



10. Beacon signifer. Male and female. — Red, smooth, shining. 

 Antennae black, as long as the body. Sheaths of the oviduct black, 

 rather longer than the abdomen. Wings black. Fore wings with a 

 white baud behind the stigma, which is red. Hind wings cinereous 

 towards the base. Length of the body 3i lines. 



Tajura. 



17. Bracon indecisus. Female. — Eed, smooth, shiuing. Front 

 minutely punctured. Antennae black, stout. Abdomen minutely 

 punctured, shorter than the thorax. Oviduct and its sheaths black. 

 Wings brown, with a cinereous middle band ; stigma luteous, black 

 towards the tip, and there contiguous to a dark brown spot. Length 

 of the body Si lines. 



Cairo. 



18. Bracon xanthomelas. Female. — Black, shining. Mouth 

 rostriform. Antennae stout. Thorax ochraceous-red ; sculellum and 

 metathorax black. Abdomen ochraceous-red, with a short petiole. 

 Sheaths of the oviduct black, as long as the abdomen. Wings 

 blackish ; veins black. Length of the body 2 lines. 



Nearly allied to B. urinator. 



Cairo. 



19. Bracon spilogaster. Male. — Black, shining. Mouth 

 rostriform. Antennae stout. Abdomen luteous, fusifoiun, with a 

 very short petiole and with a row of black dorsal spots, the three 

 posterior spots larger and more determinate than the others. Wings 

 cinereous : veins and stigma black. Length of the body li line. 



Cairo. 



Genus PHYLAX, Wesm. 



90. Phylax ? NiGRicoRNis. Female. — Testaceous, minutely 

 pubescent. Eyes black, subelliptical, rather large and prominent. 

 Antennae black, stout. Abdomen compressed, subsessile, deepening 

 from the base to the tip. Sheaths of the oviduct piceous, aljout one- 

 sixth of the length of the abdomen. Hind tarsi and tips of hind 

 tibiae blackish. Wings cinereous, minutely pubescent ; veins black, 

 testaceous at the base. Length of the body 3^ lines. 



Harkeko. 



Genus MICROGASTER, Latr. 



21. Microgaster falcatus, Nees, Hym. Ich. aff. ii. 175. 



Cairo. 



Inhabits North Europe. 



