1922] 



Brues — Parasitic Hymenoptera from Fiji 



17 



Type and paratype from Fiji (W. M. Mann); the former from 

 Vunisea and the latter from Levuka. 



Aulacocentrum Gen. Nov. (Fig. 1, A, B, C.) 

 Related to Macrocentrus, but differing especially in the 

 following particulars: mandibles very small and acute, with 

 the apical tooth very small; clypeus highly convex, not dis- 

 tinctly separated from the face; first segment of abdomen some- 

 what longer than the distance from the tegulae to the apex of 

 propodeum, six times as long as wide at the apex which is but 

 little wider than the base, its spiracles projecting as tubercles 

 at the basal third; second and third segments equal, together 

 one-third longer than the first and very narrow; radial cell in 

 hind wings divided by constriction, the apical part narrow, the 

 basal broad, with the radial vein thick and heavily chitinized. 



Fig. 1, Aulacocentrum pedicellalum sp. nov. Q ; profile view of body, front view of 



head and wings, 



