ANDRENID.S. 269 



transverse, anterior wings with two submarginal cells^ 

 abdomen short, black, shining, both sexes with a well- 

 defined pygidial area, posterior femora and tibias dilated in 

 the c?, posterior tibiaj and metatarsi dilated and densely 

 hairy in the ? , floccus absent. 



M. labiata, Fair. — Black, head and thorax closely and 

 largely punctured, clothed with brownish hairs, disk of the 

 latter in the ? with short blackish hairs ; face of the 

 ^ white below the antennfe, which are rather long, 

 testaceous beneath, and reach to about the middle of the 

 propodeum, a spot on the scape occasionally, and another 

 near the base of the mandibles white ; antennas in the ? 

 short; wings slightly smoky, propodeum coarsely rugose at 

 the base ; abdomen very shining, subelliptic, shorter iu 

 the ? , basal segment in the ^ largely and remotely 

 punctured, the rest more finely so, in the ? the punctures 

 of the basal segment are very shallow, and those of the 

 other segments fine, third and fourth segments in both 

 sexes and the fifth in the S with an apical band of snow 

 white hairs, that on the third more or less interrupted, 

 apical fringe of the ? black, beneath with the third, 

 fourth and fifth segments in the ,$ , and the second, third, 

 and fourth in the ? fringed with golden hairs, the fifth and 

 sixth in the latter sex with brown, seventh in the ,$ tuber- 

 culate at each side, with thick lateral hairs, eighth produced 

 at the apex into a shield-shaped process with a long central 

 point, and clothed with long hairs, armature looked at from 

 above subquadrate, the stipites produced into two long flat- 

 tened processes, legs in the S clothed with pale hairs, tarsi 

 piceous, very short, posterior femora swollen, punctured, 

 tibia} dilated, the outer margin curved, the lower somewhat 

 produced near the apex, and then slightly sinuate ; in 

 the ? clothed with brown hairs, scopa3 dense, yellowish 

 white, posterior metatarsi dilated, densely clothed with black 

 hairs, tarsi piceous at the apex. 

 L. 9-10 mra. 



