160 P« Cameron. 



line on the pronotum, gradually narrowed towards the 

 base, tegulae, tubercles, scutellum, the apical half of the 

 post-petiole and a large triangulär mark — the narrowed 

 end on the innerside — on the sides of the apex of the 

 2 nd abdominal segment ; the 4 anterior coxae below, their 

 trochanters, a small mark on the apex of the hind coxae, 

 the apex of the fore femora, the greater part of the fore 

 tibiae, the intermediate to beyond the middle, the posterior 

 to near the middle and the tarsi, pale yellow ; the apices 

 of the tarsal joints black. Wings uniformly fuscous 

 violaceous, the nervures and stigma black. — Length 

 15 mm. 



Areola almost horse-shaped, slightly, but distinctly 

 longer than broad, the base rounded, the apex slightly 

 curved inwardly; it is smooth, exceptfor a few wrinkles; 

 the basal lateral area sparsely, the apical much more 

 closely and strongly punctured ; the apical slope strongly 

 transversely striated ; the posterior median at the sides 

 only, the spiracular stoutly, closely obliquely striated. 

 The head is only sparsely punctured ; the face coveied 

 with white pubescence. Mesonotum closely and rather 

 strongly punctured. The long basai slope of the scutellum 

 is sparsely, the short, more abruptly sloped, apex is 

 closely and distinctly punctured; the pubescence is long 

 and white. Pleurae closely punctured; the pro- less and 

 the meta- more strongly than the mesopleurae ; the curved 

 lateral furrow on the base of the mesosternum is shallow. 

 First abdominal segment long and slender; the post- 

 petiole not much or abruptly dilated; it is weakly pun- 

 ctured ; in the middle it is finely striated. The 2 nd seg- 

 ment is closely and strongly punctured ; the base is 

 strongly, closely striated; the gastrocoeli more strongly 

 than the middle; the 3 rd segment is closely and less 

 strongly punctured; the others are smooth. The stump 

 on the disco-cubital and récurrent nervures is longish. 



The areola in this species is shorter, broader and 

 more distinctly closed at the base than in the other 

 species of the genus. The 2 nd and 3 rd abdominal segments 

 are more strongly -striated at the base and more distinctly 

 punctured. The metanotal teeth are broad. 



Lareiga was described in the Zeit. f. Hymen, u. Dipter. 

 1902, p. 13. 



