Decade of Neiu Hynienoptera. 1 5 



third, which becomes curved towards the apex ; the costal 

 nervure thick. Cubitus complete. The femora are lined 

 with black towards the middle ; the hind tibiae are tinged 

 with fuscous. 



EUCOILA MARGINICOLLIS, Sp. nov. 



Nigra, nitida, pedibus rufis ; alls dare hyalinis, nervis 

 pallide fuscis.$ Long.: 1-5 mm. 



Hah. Mexico, Orizaba, in December {H. H. SniitJi and 

 F. D. Godman). 



Antennae longer than the body ; the four basal joints 

 dull rufous ; the joints becoming gradually but slightly 

 thicker towards the apex ; the third and fourth joints the 

 longest and thickest ; the third a little longer than the 

 fourth. Pronotum distinctly raised above the mesonotum 

 having a clear broad margin ; the centre slightly depressed. 

 Scutellar cup shallow, oval, the apex flat, not projecting ; 

 sides of scutellum rugose. Abdominal hair fringe slight, 

 fuscous. Radial cellule wide ; the second abscissa of radius 

 about one-fourth shorter than the third, which is roundly 

 curved towards the apex; cubitus completely obsolete. 



GkONOTOMA GRACILICORNIS, sp. nov. 



Nigra, nitida ; pedibus rufis ; alis hyalinis, nervis fuscis. 

 Long. \y2 mm. 



Hah. Mexico, Orizaba, in December (//. H. Smith 

 and F. D. Godman). 



Antennae slender, longer than the body, becoming but 

 very slightly thickened towards the apex ; the apical three 

 joints shorter than the preceding, but not forming a club ; 

 the third joint slightly curved, and a little longer than the 

 fourth. Pronotum not distinctly margined. Scutellar fovea: 

 large, deep ; the cup without a very distinctly raised margin, 



