P. CAMERON. HYMENOPTERA. 237 



5. Camploneurus lineaticaudis sp. n. 



Bivak Island, November. 



Head with mandibles pallid yellow, the palpi pallid testaceous, the thorax and legs 

 ferruginous; the abdomen black, the central part of the i st segment dark red, a black trilobate 

 mark on the apex, the centre darker coloured ; the abdomen ovate, as long as the head and 

 thorax united and wider than the latter; smooth and shilling; the suturiform articulation 

 with 8 stout, clearly separated striae in the middle, the outer part more closely striated, the 

 2 kinds of striae separated by a smooth space ; the latéral apical branch smooth ; there is a 

 smooth furrow on the base of the 4 th and 5* segments; the hypopygium black, broadly white 

 in the centre, the white becoming gradually narrowed to a fine point at the apex; the centre 

 is white, the upper middle part with a black line of equal width, about 3 times longer than 

 wide, and not united to the black lower part; the area on the base of the 2°d segment smooth ; 

 it becomes gradually narrowed, the apex forming a blunt point, about twice longer than wide 

 and transverse at the apex. Wings dark fuscous, tinged with violaceous, the stigma and 

 nervures black; there are the usual 3 hyaline spots, that in the i st cubital cellule large, 

 bifurcated at the apex, the upper branch larger, wider and broader at the apex than the 

 lower; the transverse médian nervure is not quite interstitial, the récurrent nervure is received 

 in the apex of the ist cubital cellule, not interstitial; the anal nervure issues from shortly 

 below the middle. Q. 



Length 1 1 mm., terebra 4 mm. 



Head and metathorax densely covered with long white hair, as is also the apical 

 abdominal segment with the hypopygium. Temples nearly as long as the eyes, the occiput 

 broadly rounded. Base of mesonotum rounded, with shallow furrows, the rest flat; the scutellum 

 is raised above the mesonotum, roundly convex, the base with a crenulated furrow. Sheath 

 of ovipositor shortly pilose. 



6. Camplcmeurus tenuilineatus sp. n. 



Bivak Island, January. 



Head yellow, the thorax, basai segment of abdomen, the area on base of 2 nd segment, 

 the furrow surrounding it and the legs, red; the antennae, tips of mandibles, the 2nd abdominal 

 segment, except the area, and the following segments black; the 31'd and following segments 

 narrowly lined with broad white lines on the outer part ; the ventral surface white with black 

 latéral marks, the basai small, clearly separated, the apical 3 filling the segments; the outer 

 side of the hypopygium lined with white ; palpi of a more testaceous yellow colour than the 

 head; legs coloured like the thorax, the apical joint of the 4 anterior tarsi black; wings 

 fuscous, the anterior part of stigma and the nervures black, the posterior half of stigma 

 fuscous, the apical abscissa of radius clearly longer than the basai 2 united ; the récurrent 

 nervure received immediately in front of the ist transverse cubital. Upper part of the head 

 and thorax sparsely, the face and pleurae more densely covered with white pubescence. Q. 



Length 8 mm., terebra 3 mm. 



Abdomen smooth, the suturiform articulation crenulated, the striae stouter and more 

 widely separated in the centre ; the latéral apical branch smooth. The area on the base of the 

 Nova Guinea. IX. Zoologie. 31 



