PAKASITIC HYMENOPTERA AND TENTHREDINIDiE. 159 



striated. The anterior femora are, for the most part, white below ; 

 the middle pair are darker coloured than they ; the posterior tibiae 

 and tarsi are dark fuscous. The petiole is black, closely, minutely 

 punctured, as are also the second to fourth segments ; the second has 

 a black mark on either side at the base, and two in the centre behind 

 the middle ; the ventral surface is white. 



Delebcea fuscipes, sp. nov. 



Black, a line on the pronotum, a narrower line on the lower edge 

 of the propleursB, the inner orbits, the sides of the face broadly, the 

 mandibles except the teeth, and the palpi, white ; the five apical 

 segments of the abdomen brown, their apices narrowly yellow ; the 

 ventral surface for the greater part black; wings hyaline, the stigma 

 and nervures dark fuscous. $ . Length, 6 mm. ; terebra, 4-6 mm. 

 Hah. Corredor, Machai, Sara-urcu, 12,700 ft.,--^— - ' 

 Scape of antennse white beneath. The front, vertex, and meso- 

 notum are closely, finely, and distinctly punctured ; the median 

 segment is more strongly punctured; on the metanotum the punctures 

 run into striations ; the pro- and mesopleurje are not quite so strongly 

 punctured as it. The white lines on the pronotum project backwards 

 on the inner side ; the basal two segments of the abdomen are closely 

 and minutely punctured ; the ventral surface is for the greater part 

 white. 



Cnemopimpla, gen. nov. 



Antennae stout, thickened towards the apex ; the last joint of the 

 antennae large, if anything longer than the preceding two joints 

 united ; the flagellum thickly covered with short pubescence. Face 

 full; its apex obliquely depressed; the clypeus convex, distinctly 

 separated from it ; it is rounded behind ; obliquely narrowed towards 

 the apex ; the middle of the apex is obliquely depressed and clearly 

 separated. Areolet large, wide ; the transverse cubital nervures being 

 widely separated above ; the transverse basal nervure is interstitial ; 

 the transverse median nervure in the hind wings is broken almost in 

 the middle. Median segment short, smooth, not areolated. The 

 basal five segments of the abdomen are distinctly punctured, and have 

 wide and moderately deep transverse depressions. Legs short and 

 stout ; the fore tarsi are not much longer than the tibiae ; the last 

 joint of the tarsi fully two times the length of the preceding. 



The fore femora are shorter and thicker than the others; the eyes 

 converge above, and are sinuate on the inner side ; the temples are 

 moderately large ; the malar space is also moderately large. The form 

 of the mandibles I am unable satisfactorily to describe ; they become 

 gradually narrowed to the apex, which is curved inwardly, and ends, 

 apparently, in two short teeth. The abdominal segments are wider 

 than long ; the ovipositor is long, but shorter than the body. 



The characteristics of this genus are the stout antennae with 

 their elongated apical joint ; the wide areolet and the convex 

 clypeus separated from the face by a deep furrow. 



