HYMENOPTERA 13 



(2) Deinoniirnesa cognata, sp. nov. 



Praecedenti cognata ; ^ mesopleuris laevioribus et nitidis ; % clypeo (desuper 

 aspecto) levissime lateque emarginato, distincta. c/' ?. Long. 9 — 12 mm. (Plate I. 

 figs. \—\b.) 



Female of more slender form than the preceding species. The anterior margin 

 of the clypeus, as seen from above, is not deeply and dentately emarginate, but only 

 very lightly and widely so. The petiole of the abdomen is differently formed, its 

 dorsal surface being very narrow, with the margins parallel and straight, but the 

 sides beneath are extended outwardly, and so are visible from above, and form the 

 outline of the segment in a dorsal view. The carina itself is much less elevated 

 and almost of even height throughout its length. On the ventral side the basal 

 segment lies in two planes, the basal part being sub-horizontal, the apical inclined. The 

 latter occupies more than half the segment. In the preceding species the formation 

 of the basal ventral segment is on a similar plan, but the inclined posterior portion 

 is relatively much smaller. 



The male is much more difficult to distinguish, but the petiole is narrower 

 in proportion to its length, and the mesopleurae are smoother and more shining. 



Hab. Kauai (4000 ft.). Local and rare. 



(3) Deinomimesa hawaiiensis, sp. nov. 



Praecedentibus minor, abdominis segmenti primi parte pedicellata carinam mediam 

 linearem ferente : ? clypei margine antico (desuper viso) fortissime rotundato, haud 

 emarginato. i%. Long. 7 — 8mm. (Plate L fig. 5.) 



Allied to the preceding species, but not very closely. It is of considerably smaller 

 size. The petiole is very slender in both sexes and the carina appears as a median 

 raised line. 



In the (/■ the anterior area of the propodeum is traversed longitudinally by 

 numerous distinct but very fine raised lines. In the ? the clypeus is raised, its 

 front margin seen from above is very strongly rounded, and not at all emarginate ; the 

 basal segment of the abdomen beneath is simple, not formed as in D. cognata. 



Hab. Kona and Kau districts on Hawaii (4000 ft.); several examples taken, 

 but only one ?. 



(4) Deinomimesa punae, sp. nov. 



Praecedenti simillima ; ? scutello minus opaco, clypeo magis abrupte elevato, 

 margine desuper viso antice subangulato, distinguenda. ?. Long. 9 mm. 



