236 P. CAMERON. HYMENOPTERA. 



3. Camploneùrus quadrifasciatus sp. n. 



Bivak Island, January. 



Rufo-testaceous, the antennae with the flagellum fuscous, the head pallid yellow, the 

 tips of mandibles, antennae and the 2nd and following segments of the abdomen black; the 

 3i-d ; 4th and $th abdominal segments with a white apical line, dilated outwardly, and a narrow 

 one, not dilated, on the 6 th , white; the ventral surface white; the 2°d ; yd a nd 4 th segments 

 largely black at the sides, the i st mark wide on the inner side, the other 2 narrowed inwardly, 

 the hypopygium widely lined with black on the outerside, the inner or upper being broadly 

 roundly white, the white line not reaching to the base or apex. Wings yellowish hyaline, the 

 stigma and nervures rufo-fulvous; the 2nd transverse cubital nervure roundly curved; the 

 transverse médian nervure not quite interstitial, being received very shortly beyond the 

 transverse basai, almost interstitial; the récurrent is almost interstitial; the radial cellule is 

 long and narrow. Abdomen longish ovate, smooth and shining; the area on the 2»d segment 

 smooth, as wide at the base as it is long, not narrowed to a sharp point at the apex, being 

 there transverse and half the width of the base; the space surrounding it is testaceous; the 

 suturiform articulation shallow, smooth, moderately wide. Head large, cubital, the temples 

 nearly as long as the eyes, obliquely rounded. Ç. 



Length 9 m. m.; terebra 7 mm. 



Parapsidal furrows not indicated. There is a narrow, but distinct crenulated furrow at 

 the base of the scutellum; i st abdominal segment not much longer than wide. 



4. Camploneùrus insulicolus sp. n. 



Regen Island, December. 



Head yellow, the thorax, legs and basai segment of abdomen red, the area on 2nd 

 abdominal segment largely tinged with red, the antennae, stemmaticum, apical tarsal joint, 

 the 2 nd abdominal segment, except the area, and the whole of the others on the back black, 

 the ventral surface white, tinged with rufous, the sides of the segments with large black spots ; 

 wings fuscous, the stigma and nervures black, the basai abscissa of the cubitus roundly curved 

 at the base, the récurrent nervure received in ist cubital cellule, clearly separated from the 

 transverse cubital; the transverse médian received shortly beyond the transverse basai; anal 

 nervure issuing from shortly below the middle. Smooth and shining, including the abdomen; 

 the suturiform articulation with 6 stout, distinctly separated striae in the middle, the sides 

 and the apical branch closely crenulated ; there is a smooth, transverse furrow on the base 

 of the yà. segment, The area on the base of the 2 nd segment is triangular, slightly wider at 

 the base than it is long; is slightly hollowed in the middle and ends in a keel of equal 

 width and about 3 times longer than wide. Ç. 



Length 10 mm., terebra 4 mm. 



Smooth, shining, covered with white pubescence, which is dense and long on the 

 metanotum ; still more dense and shorter on the legs. Temples wide, broadly rounded inwardly. 

 There are no parapsidal furrows. The apex of the clypeus is depressed and is widely, irregularly 

 crenulated. Palpi pallid testaceous, fringed with long pale fuscous hair. 





