168 HYMENOPTERA. 



71. Megachile punctata, n. s. 



Male. Leiip;tli 4 lines. — Black, the face covered with pale 

 yellow pubescence, brightest on the clypens ; the cheeks, thorax 

 and femora beneath covered with long cinereous jjubescence; 

 on the disk of the thorax it is very sparing and slightly ochra- 

 ceons; the wings fnscons, hyaline towards their I)ase. Abdo- 

 men naked, strongly pnnctnred, and having on each side of the 

 basal segment a s])ot of snow-white pubescence ; the apical seg- 

 ment notched in the middle. 



Hab. New Holland. (Coll. J. S. Baly, Esq.) 



72. Megachile aurifrons, n. s. B.M. 



Female. Length 6 J- lines. — Black, the face thickly covered 

 with bright fulvous pubescence, leaving the anterior part of the 

 clypeus naked, on each side of which touching the eyes is a patch 

 of white pubescence ; the clypeus in the centre, produced into a 

 somewhat quadrate lobe, which is widest at the base, and its an- 

 terior margin slightly emarginate ; the lo))e has several depres- 

 sions above, and at its sides is deeply concave ; autennaj bright 

 ferruginous at their base, becoming gradually darker to their 

 apex ; the cheeks and sides of the thorax have a hoary pubes- 

 cence ; the wings hyaline at their base, and slightly 'clouded 

 towards their apical margins ; the legs covered with short hoary 

 pubescence, that on the tarsi beneath reddish brown ; claws fer- 

 ruginous, their tips black. The abdomen covered at its base with 

 hoary ])ubescence ; beneath densely clothed with ])ale pubescence, 

 which in certain lights has a silvery brightness. 

 Hab. New Holland. 



73. Megachile lucidiventris, n. s. B.M. 



Female. Length 6 lines. — Black, on each side of the face and 

 at the insertion of the antenna; a little white pubescence, on the 

 clypeus it is fuscous ; the margin of the clypeus ciliated with 

 ferruginous hairs ; the cheeks coarsely punctured, and having as 

 well as the thorax beneath and the legs a griseous j)ubescence ; 

 the metathorax covered with pale ochraceous pubescence, as well 

 as the basal segment of the abdomen and basal margin of the 

 second ; wings subfuscous, palest at their base ; the posterior 

 femora and tibia; within covered with veiy short silvery-white 

 pubescence, the tarsi beneath reddish-brown, the calcaria; and 

 claws ferruginous. Abdomen, excepting at the base, covered 

 above with short black pubescence ; beneath, the pollen-brush is 

 of a glittering whiteness. 



Hab. New Holland. 



