3U0 [April 



the body, entirely black. Thorax smooth and polished, thinly pube- 

 scent; mesothorax bright rufous, sometimes more or less obscure, with 

 an ovate black spot on each side above the tegulse ; scutellum and 

 metathorax smooth, the latter rounded behind, pubescent and often 

 with an obscure reddish spot on its disk ; tegula; black. Wings long. 

 blackish, rather darker towards the base, with a subhyaline dash and 

 spot, beneath the stigma; nervures black. Legs entirely black, pol- 

 ished, sometimes tinged with piceous, the posterior trochanters some- 

 times reddish at tips. Abdomen elongate-ovate, yellowish-red, some- 

 times more or less obscure ; first segment with a deep crenulated furrow 

 on each side, leaving the lateral margins carinate and the disk with a 

 large, ovate, slightly elevated, polished space, which is slightly de- 

 pressed on the middle; secoud segment broad, uneven, being longitu- 

 dinally excavated on each side, and on the basal middle there is a yel- 

 lowish lanceolate elevation prolonged and acute at tip and pointing 

 posteriorly ; basal incisure of the third segment deep and striated or 

 crenulated ; remaining segments smooth and polished ; ventral valve 

 sometimes more or less blackish ; ovipositor longer than the body, fer- 

 ruginous, valves black. Length 4 — 5^ lines; expanse of wings 8 — 11 

 lines. 



Male. — Resembles the female, but is smaller, the antennae longer, 

 the trochanters reddish at tips, the thorax sometimes entirely black 

 and the abdomen shorter, with the second segment often roughly sculp- 

 tured at base. Length 33 — -U lines; expanse of wings 65 — 8? lines. 



Eight 9 , three % specimens. 



2. Bracon disputabilis, n. sp. 



Black ; abdomen yellowish-red ; wings blackish. 



Female. — Differs from B. montivagus 9 only by having the thorax 

 entirely black, the abdomen more or less pubescent, less shining, more 

 roughly, although similarly, sculptured, with the third and fourth seg- 

 ments sculptured somewhat like the second, but not so distinct ; the 

 wings much paler about the apical margins and somewhat iridescent ; 

 the ovipositor about as long as the body. Length 4 lines ; expanse of 

 wings ~\ lines. 

 Two specimens. 



3. Bracon dissitus, n. sp. 



Black ; abdomen rufous ; wings long blackish; ovipositor as long as the body. 



Female. — Slender, black, smooth and polished, thinly clothed with 



whitish pubescence ; antennas piceous-black, as long as the body; wings 



long uniform dark fuliginous, faintly iridescent, a subhyaline dash be- 



