AMERICAN HYMEXOPTERA. 245 



(Bull. U. S. Nat. Mu?., xxiii, 28), in that the transverse median 

 nervure in the hind wing is unbroked. In S. latibalteatus the areola 

 is longish, horse-shoe shaped, clearly defined ; the basal area and 

 the two lateral ones are distinct; the areolet is clearly angled in the 

 middle, where it receives the recurrent nervure. The antennte are 

 22-iointe(l ; the first joint of the fiagellum is a little longer than the 

 second. 

 O^ Batliyinetis testaceicornis sp. nov. 



Black, shininw, the antennte reddish-testaceous, the te^uke white; the sides 

 of the second abdominal segnieut, the apex narrowly and the base still more nar- 

 rowly, the apex of the tliird and fourth narrowly, the second to fourth ventral 

 and the legs rufous; the wings hyaline, the stigma fuscous, narrowly white at 

 the base, the nervures darker colored. J . Length 4.5 mm. 



Head shining, covered with short fuscous pubescence; closely distinctly punc- 

 tured, the punctures clearly separated, the face less strongly than the front; the 

 clypens smooth. Prothorax and mesothorax weakly, closely punctured, the 

 pleurfe less strongly than the rest. Metathorax distinctly, closely punctured; 

 the apical basal arese more strongly than the rest; the apex round the edges 

 above striated, the striae clearly separated, the space between them smooth and 

 shining. Basal segments of abdomen weakly punctured. 



Ormsby Co., Nevada ; July (Baker). 



The areolet is angled below in the middle, where it receives the 



recurrent nervure. The areola is comparatively large, slightly longer 



than wide, horse shoe shaped, the apex slightly turned inwardly. 



, The antennae are stout, 21-jointed. 



\ 

 \ Campoplegini. 



-^ — ■ Kriboriis ? trianiiiilatus sp. nov. 



Black; the face and clypeus densely covered with silvery pubescence; the legs 

 rufous, the four anterior coxte. trochanters and tarsi, a narrow band on the base 

 of the hind tibiae, a broad one in the centre (equal in length to one-third of the 

 tibise), and the basal joint of the hind tarsi white, the rest of the hind tibiae and 

 tarsi fuscous-black, except the second joint of the hind tarsi narrowly at the base 

 and apex, where it is paler. Wings hyaline, the stigma fuscous, the nervures 

 darker colored. The middle segment of the abdomen are narrowly lined with 

 pale rufous at the apex. % . Length 3 nini. 



Facs opaque, finely shagreeued, as are also, but less strongly, the front and ver- 

 tex. Thorax opaque, the metanotum regularly areolated, the areola distinctly 

 defined above, its base narrowed obliquely to a jtoint, its apex open ; the posterior 

 median area rather strongly, closely, transversely striated. Antennae covered 

 with a close microscopic pile; the first joint of flageiluni slightly, but distinctly 

 longer than the second. Kadial cellule wide, the basal abscissa of radius oblique, 

 not half the length of the second, which is broadly, roundly curved ; the trans- 

 basal nervure interstitial ; the disco-cubital nervure is rounded ; all the apical 

 nervures in the hind wings are obsolete. 



Santa Clara Co., California (Baker). 



TEANS. AM. ENT. SOC. XXXIV. JULY. 1908. 



