ARABIAN HYMENOPTERA. 47 



929. OSMIA MELANOGASTER, Spill. LlS. Llg. U. 63. 



Cairo. 



Inhabits South Europe. 



230. OsMiA ^NEA. Apis senea, Linn. Syst. Nat. i. 955. 

 Cairo. 



Inhabits Europe and the Canary Isles. 



231. OsMiA coNTRACTA. Male and female. — Black, stout. Head 

 and thorax with white hairs. Mandibles red ; tips black. Abdo- 

 men with five bands of white tomentum ; a white spot on each side 

 between the first band and the base. Legs with white tomentum. 

 Wings cinereous ; veins and stigma black. Length of the body 

 3J lines. 



Harkeko. Dahleck. 



Genus MEGACHILE, Latr. 



232. Megachile argentata. Apis argentata, Fabr. Ent. Syst. 

 ii. 336. 



Massowah. Harkeko. Wady Ferran. Mount Sinai. 



Inhabits Europe and Algeria. 



233. Megachile xakthopus, Gerst. Verh. Ak. Berl. 1855. 

 Harkeko. 



234. Megachile gratiosa, Gerst. Verh. Ak. Berl. 1855. 

 Harkeko. 



235. Megachile fulvescens. Male and female. — Black. Head 

 and thorax thickly covered with cinereous hairs. Abdomen tawny at 

 the base ; hind borders of the segments -with bands of testaceous 

 pubescence, except towards the tip, where the bands are more or less 

 cinereous ; under side tawny, densely clothed in the female with 

 yellow hairs ; tip of the male with six short spines, the two outer pail's 

 very minute. Legs with hoary hairs in the male, with tawny hairs 

 in the female. Wings cinereous ; veins black. Length of the body 

 3 1 — 4|- lines. 



Harkeko. Wady Genneh. Wady Ferran. Mount Sinai. 



236. Megachile adusta. Female. — Black, thickly clothed with 

 short ochraceous hairs. Head with a triangular spot of luteous 

 tomentum on the face ; hind part with white hairs on each side. 



