Hymenoptera. 2-47 



L'ienella nigriceps, sp. nov. 



Black : the pro-mesonotum with tlie scutellnm, the pro- and 

 mesoplenrai and the greater part of the metaplenrat, red, the 

 middle segments of the abdomen of a more obscure red. Legs 

 rufo-testaceous, the liindei- of a darker, mo)'e distinct red : the 

 apical joints of their tarsi })alei' : all the coxae and trochanters 

 black, thickly covered with glistening white pubescence. Wings 

 hyaline, a fuscous-black cloud extends from shoi-tly behind the 

 radius to near the middle of the basal abscissa of the radius, and 

 backwards to shortly beyond the sub-discoidal nervure ; the 

 stigma and nervures black. Male. 



Length 5 mm. 



Base of antennae rufo-testaceous. Front irregularly trans- 

 versely, stoutly striated, the striae roundly curved : the vertex 

 fiiiely, more obscurely striated. Face closely rugose : the clypeus 

 more distnictly punctui-ed. Mandibles l)roadly rufous at the base. 

 Palpi yellow. Mesonotum closely, strongly, transvei-sely striated, 

 less strongly on the outer edges ; on the apex laterally the striae 

 are oblique. Scutellar depression large, deep, striated in the 

 middle. Scutellum almost smooth at the base, the rest j-ather 

 coarsely punctui-ed. Areola large, longer than broad, tj-angled, 

 narrowed obliquely from close to the base to the apex, which is 

 ti-ansverse ; at its base are three rows of transverse striae : the 

 l)asal lateral areae are irregularly- rugose, the spiracuiar irregularly 

 rugosely striated, as is also, but more tinely, the posterior median. 

 Propleurae punctured above, striated at the apex below, the rest 

 smooth. Mesopleurae punctured and irregularly striated in the 

 middle, the meta- closely, coarsely rugosely pimctured. Petiole 

 not quite so long as the following two segments united ; its apex 

 not very strongly or regularly striated ; the second and third 

 segments are closely, strongly, longitudinally striated. Legs 

 covered with white pubescence ; the hind coxai rugosely punctured. 

 Ccunoaulax, gen. nov. 



Second transverse cubital nervure absent, the iirst verj- short, 

 as broad as it is long ; the recurrent nervure received clearly 

 beyond it. Transverse median nervure i-eceived shortly behind 



