ARABIAN HYMENOPTERA. 51 



Geuus NOMADA, Fahr. 



251. NoMADA VARIABILIS, Luciis, Expl. Sci. Alg. iii. 216, pi. 10, 

 f. 7. 



Cairo. 



252. NoMAPA pusiLLA, St. Farg. Hym. iii. 466. 

 Cairo. 



253. NoMADA AGRESTis, Fabr. Ent. Syst. ii. 347. 

 Cairo. 



Inhabits South Europe. 



Genus EPEOLUS, Latr. 



254. Epeolus nigriventris. Female. — Black, with white 

 tomenturu. Eyes reddish. Antennae black ; first joint tawny. 

 Disk of the thorax piceous. Abdomen yellow, with four black dorsal 

 bands ; third and fourth bands very narrow ; under side yellow. 

 Wings cinereous, blackish along the exterior border; veins and 

 stigma black. Length of the body 3 hues. 



Tajura. 



Genus CCELIOXYS, Latr. 



255. CcELioxTS CAUDATA, Spill. Ann. Soc. Ent. Fran. vii. 535. 

 Mount Sinai. 



Inhabits South Europe and Egypt. 



256. CcELTOXYS ANTicA. Male. — Black. Head, except the vertex, 

 pectus and legs thickly covered with silvery white tomentum. Front 

 slightly tinged with yellow. Eyes lurid. Antennae tawny beneath. 

 Thorax with luteous speckles, with four short luteous stripes and with 

 a posterior abbreviated luteous band. Abdomen with eight yellowish 

 white bands ; first, fifth and seventh bands very narrow ; under side 

 with three silvery white bands, which are narrowest in the middle ; 

 tip dark red, with four smaller spines above and with one on each side. 

 "Wings cinereous, darker along the exterior border ; veins blaek ; 

 stigma piceous. Length of the body 4 Hues. 



Harkeko. 



257. CffiLioxYs RUFispiNA. Male. — Black. Head with white 

 hairs. Eyes lurid. Mandibles red ; tips black. Mouth red. 



