142 Mr. R. C. L. Perkins <m 



black, scuU-lluni obscurely piceous, also the luesotliorax in the 9 *» 

 prosternum pale ; antenna3 and legs testaceous ; hind coxix' dark and 

 the femora brown, tarsi fuscous in the (J, pale in the $ with dark 

 apical joints. Abdomen with basal segment black or brownish-black, 

 second brown, the following paler than the second, the terminal one.s 

 more or less dark. 



Face impunctate or nearly ; antenna' in ^ reaching beyond the 

 apex of the wings when spread by about half the length of the latter, 

 in 5 shorter, but reaching beyond the apices of the wings. Mesono- 

 tum coriaceous, not evidently punctate. Propodeum densely rugulose 

 posteriorly, much smoother in front, excejjt along the middle, and 

 with no transverse caiina in either sex. Abdomen with the basal 

 segment subclavate, a little longer than the second in dorsal aspect, 

 the apical segments strongly compressed. Wings hyaline and 

 iridescent. 



Hah. Koolau range of Oaliu. 



Enicosiyilus scmirufus, sp. nov. 



$ 9- Length 17-21 m.ni. Black; face in ^ widely yellow along 

 tlie orlnts, in the middle, and the whole of the clypeus light brown or 

 testaceous, in front of the anterior ocellus dark brown, occiput yellow 

 with a dark brown band behind ; the face in the $ has the orbits 

 generally much more narrowly yellow, and between these is dark 

 brown, and the occiput is much more extensively dark. Palpi dark, 

 the terminal joint ])aler. Antenna) dark brown or blackish fuscous, 

 scape sometimes of a paler colour. Thorax entirely and the legs 

 black, tibia) and tarsi dark brown or blackish fuscous. Abdomen 

 with the petiole black, the second segment generally darker than the 

 following, which are ferruginous, the terminal segments blackish. 



Clypeus finely and closely but distinctly punctured ; antenna^ in 

 1^ half as long again as the wings, in the $ reaching to the apex. 

 Mesothorax with fine close feeble punctures. Propodeum rugose 

 (more coarsely in $ ), imich more finely in front on the anterior 

 tliird than behind, transverse carina wanting or indistinct in c^,very 

 well marked in $ . Abdomen densely and very finely punctured on 

 the sides, unusually dilated at the apex in the 9 ^^ compared with 

 other species (e. g., B. inauicola molnkaiensis, etc.) owing to the more 

 exserted sixth ventral segment. Wings fusco-hj'aline discocubital 

 cell with one small blister-like spot. 



Hab. Koolau ran ye of Oahu. 



Apparently closely allied to IJ. haaliv, Ashm., but in the 

 description of that species I find no reference to a sexual 



