440 P. CAMERON. 



an oval spot on the vertex behind the eyes, the lower three-fourths of 

 outer orbits, the line rounded above, the malar space, a line on the 

 sides of the pronotum, tegulae, two lines on the centre of the apical 

 half of the mesonotum, the sides of the scutellum, its apex slightly 

 more narrowly, post-scutellum, the outer posterior apical area? of 

 metanotum, tubercles, the base of propleurae, two large lines on the 

 mesopleurae, one near the top, the other below the upper with the 

 apical half roundly slightly incised, the lower with the apical half 

 obliquely narrowed below, a spot below the hind wings, the greater 

 part of the metapleurae, a spot, wider than long, and with the apex 

 incised, on either side of the base of mesosternum, lines on the sides 

 of the basal three abdominal segments and complete ones on the others, 

 whitish-yellow. Basal three segments of the abdomen red, the sides 

 of the third and the whole of the others, black ; ventral keel whitish- 

 yellow. Wings hyaline, the stigma testaceous, the nervures black. 

 Legs red, the coxa? and trochanters white, the former black at the base, 

 the posterior broadly so, the apex of the hind femora, the base of the 

 tibiae and the hind tarsi, black, d 1 . Length 6 mm. 



Mendoza, December. 



A stoutly built, broad species. 



Ophionin^e. 

 Nototrachini. 

 24. Eugiiomus flavomaculatus n. sp. 



Rufous, the second and following segments of the abdomen darker 

 colored, blackish above, the antennae black, the scape yellow below ; 

 the eye orbits, the outer broadly below, the face, clypeus, base of 

 mandibles, palpi, a line on the pronotum, the two not uniting at the 

 base, tegulae, scutellum, a small irregular spot in the centre of the 

 metanotum close to the base, the sides broadly, a line on the lower 

 edge of the propleurae, tubercles, almost the lower half of the meso- 

 pleurae, the mark slightly obliquely narrowed towards the apex, an 

 irregular triangular spot below the hind wings and the basal third of 

 the abdominal petiole, pale yellow. Legs rufous, the hinder darker 

 colored, the four anterior whitish-yellow in front, the base of the hind 

 tibiae yellow, the hind tarsi fuscous, yellow narrowly at the base of the 

 metatarsus. Wings hyaline, the stigma and nervures black, the para- 

 stigma white. 9 . Length 7 mm., terebra 2 mm. 



Eyes large, distinctly converging below ; the malar space small. 

 Face and clypeus sparsely punctured. Front and vertex smooth, except 

 the former, which is keeled down the middle and transversely striated. 

 Mesonotum not so strongly punctured, the sides near the base trans- 

 versely striated. Scutellum roundly convex, wider than long, sparsely 

 punctured, the sides at the base keeled. Metanotum at the base with 



