(22) 23. 



(21) 24. 

 (26) 25. 



(25) 26. 



(28) 27. 



(27) 28. 



HYMENOPTERA ACULEATA. 



Abdomen with the third and follow- 

 ing segments clothed with red hairs 

 in both 86X68 lapponicus. 



Abdomen with the apex white, or with 

 only the fourth and following seg- 

 ments clothed with red hairs. 



Apex of abdomen clothed with white, 

 or sometimes rosy white, not red 

 hairs. 



(J, posterior metatarsi with the 

 upper and lower margins sub- 

 parallel, except at the extreme 

 base; ? and $, first segment of the 

 abdomen clothed with pale hairs at 

 the base Jonellus. 



(J, posterior metatarsi much con- 

 stricted towards the base, the upper 

 margin curved ; ? and 5 . first seg- 

 ment of abdomen clothed with black 

 hairs at the base .... soboensis. 



Apex of abdomen clothed with red 

 hairs. 



(J, with the basal segments of the 

 abdomen almost entirely clothed 

 with black haira, sagittal of arma- 

 ture sharply and angularly hamate 

 at the apex on their inner edge ; ? 

 and 5 . thorax entirely clothed with 

 black hairs or rarely with a very 

 narrow pale prothoraoic band . . lapidakics. 



cJ, basal segments of abdomen clothed 

 with pale hairs, sagitta3 with their 

 apices turned inwards in the form 

 of a sickle-shaped hook ; ? and 9 i 

 thorax with a broad band of pale 

 hairs in front. 



$, fifth joint of the antenna much 

 longer than the fourth, and about 

 three-quarters as long as the third 

 and fourth together, laoinia of 

 armature elongate, parallel-sided, 

 obliquely truncate at the apex ; ? 

 and 5 ' ^^0^ broader, especially 

 across the base of the mandibles, 

 abdominal black band confined to 

 the third segment .... Cullumanus. 



(J, fifth joint of antennas scarcely 

 longer than the fourth, lacinia of 

 armature short and transverse ; ? 

 and 9 , face narrower, especially 

 across the base of the mandibles, 

 black band of the abdomen not con- 

 fined to the third segment . . peatorum. 



