168 HYMENOPTERA. 



71. MEGACHILE PUNCTATA, n. s. 



Male. Length 4 lines. Black, the face covered with pale 

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

 and femora beneath covered with long cinereous pubescence; 

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

 ceous ; the wings fuscous, hyaline towards their base. Abdo- 

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

 basal segment a spot 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 5 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 lobe has several depres- 

 sions above, and at its sides is deeply concave ; antennae 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 pubescence ; beneath densely clothed with pale 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 antennae 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 pubescence ; 

 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 tibiae within covered with very short silvery-white 

 pubescence, the tarsi beneath reddish-brown, the calcarise 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, 



