ANDRENID.-E. 



ceived in the centre of the second 

 submarginal, mamlibular tooth in 

 cj blunt ; fifth abdominal segment 

 in 5 clothed with pale hairs . . PR.ECOX. 

 (32) 35. (J , mesonotnm clothed with bright 

 brown hairs; ? , fifth abdominal seg- 

 ment clothed with black or brown 

 hairs and base of third antennal joint, 

 more than half as wide as the apex. 



(37) 36. (J, head large, vertex subquadrate, 



mandibles not toothed at the 



base ; $ , hairs of face black . . VaRIAxs. 



(36) 37. cJ, head of normal size, mandibles with 

 a fine small tooth at the base, ? , 

 hairs of the face pale. 



(39) 38. Labrum narrower, more pointed, less 

 emarginate in both sexes, abdomen 

 ■with white hairs in the ? . . heltol*. 



(38) 39. Labrum wider, more emarginate in 



both sexes, abdomen without white 



hairs in the ? .... fucata. 



(17) 40. Abdomen with well-defined pale pu- 



bescent bands visible in all posi- 

 tions. 



(50) 41. cJ, labrum with a somewhat quadrate 

 tubercle deeply notched at the apex ; 

 ? , scopa3 not bright fulvous. 



(49) 42. Hairs on the disc of the mesonotnm 

 pale or fulvous ; (J with broad pale 

 pubescent abdominal bands. 



(4(5) 43. Eighth ventral segment in c? emargi- 

 nate, abdominal hairs semi-erect; 

 fifth segment in the $ with some 

 dark hairs at the base, in the 

 J clothed with black, or nearly 

 black, very projecting hairs. 

 (45) 44. (J, joints of flagellnm considerably 

 longer than wide ; ? , hairs of face 



black NIGKICEPS. 



(44) 45. (J, joints of flagellnm scarcely longer 



than wide ; ? , hairs of face pale . simillima. 



(43) 46. Eighth ventral segment in the cJ entire, 

 abdominal hairs less erect, fifth dor- 

 sal segment in the $ clothed 

 entirely with concolorous palo hairs, 

 in the ? with pale or brown hairs, 

 which are much more decurabont 

 than those of the two preceding. 



( 18) 47. $, abdominal bauds not very distinct ; 



? , apical fringe and scopre golden 



brown triiiestata. 



(47) 48. c?, abdominal fascias very distinct, 

 sixth ventral segment much re- 



