244 p - CAMERON. HYMENOPTERA. 



Length 12 mm., terebra 13 mm. 



Head smooth. Mesonotum trilobate, the middle lobe broadly rounded in front, gradually 

 narrowed behind, but not to a fine point, the furrows not uniting at the apex; they extend 

 to shortly beyond the middle ; the lobes are striated somewhat strongly, the striae roundly 

 converging towards the centre ; the scutellum is more finely, closely and regularly striated, the 

 striae also converging. There is a strong transverse keel on the base of the metanotum, 

 touching the post-scutellum ; the basai half of the metanotum smooth, except for irregular 

 broken striae, the apical strongly punctured, the punctures round and clearly separated. 

 Propleurae strongly closely striated, the striae forming a longish triangular area, the narrowed 

 end at the base; the lower part and the mesopleurae smooth, the latter striated at the base, 

 the striae widest above. Metapleurae smooth. ist abdominal segment hardly one fourth longer 

 than it is wide at the apex, the base with a shallow semicircular dépression ; the part beyond 

 this irregularly striated and with some punctures. There is a broad triangular area on the base 

 of the 2nd segment; it is smooth, the sides outside it are longitudinally striated, there being 

 also some weak transverse striae; the 31'd and 4 th segments at the base are closely finely 

 striated. 



Agathini. 



Agathis, Latr. 

 1. Agathis varipilo sella sp. n. 

 Bivak Island, January. 



Black, the thorax and 4 front legs red ; wings fuscous violaceous, the nervures and 

 stigma black; the trophi of a paler red than the body, the mesonotum infuscated. Head 

 densely covered with short black pubescence, as is also the mesonotum; the pleurae densely 

 covered with longer white pubescence, which is longer on the metapleurae. Legs densely 

 pubescent, the pile on the 4 anterior pale, on the hinder denser and black. The 4 anterior 

 spurs red, the hinder black. Areolet twice longer along the transverse, than along the longi- 

 tudinal nervures, not much narrower in front than behind. cf. 



Length 9 mm. 



Mesonotum closely punctured ; there are 2 wide furrows on the basai half, the space 

 between them raised, forming a keel. The 2 central keels on the metanotum unité at the 

 base; they hâve there a short pedicle; they become gradually roundly widened to the middle ; 

 the apical half is of equal width; the latéral part has the basai two-thirds coarsely irregularly 

 transversely striated; on the apex are 2 smooth oval dépressions, placed transversely. The 

 apical two-thirds of the propleurae above with a row of punctures, which becomes widened 

 towards the apex; below its apex are a few stout striae. Mesopleurae weakly, the metapleurae 

 more strongly punctured. There is a longitudinal furrow below the middle of the mesopleurae; 

 the mesosternal furrow is wider and smooth. 



Antennae densely covered with short black pubescence. Malar space one third longer 

 than the eyes. 



