78 Descriptions of new species of Hyrnenoptera. 
body; thorax black; wings blackish, second cubital cel- 
lule longitudinal, quadrangular, acute at base, nervure 
connecting with the carpal spot placed obviously before 
the middle of the cellule; feet blajckish; abdomen san- 
guineous; oviduct shorter than the body, blackish; me- 
tathorax simple pale reddish. 
Length more than three-twentieths of an- inch. 
2. B. honesior. Yellowish-rufous; wings blackish, witli 
a whitish band and tip. 
Inhab. Indiana. 
Body rufous, slightly tinged with yellow; antenna 
rather longer than the body; thorax somewhat trilobate, 
the posterior segment being canaliculate; wings dusk)^, 
with black nervures and rather large carpal spot; a nar- 
row, transverse, whitish band beyond the middle, and 
whitish tip; posterior tibise dusky, whitish at base and 
at the terminal incisure; abdomen clovate, almost pedun- 
culated; oviduct longer than the abdomen. 
liCngth one-fifth of an inch. 
Second cubital cellule elongated. 
3. B. truncator. Pale honey-yellow; vertex with a 
black spot. 
Inhab. Indiana. 
Body pale honey-yellow, polished, impunctured; an- 
tennds fuscous, honey-yellow at base; stemmata in a 
black spot; palpi whitish toward the tip; metathorax 
slightly punctured; abdomen much compressed, truncate. 
Length nearly one-fourth of an inch. 
PERILAMPUS. Latr. 
1. P. triangularis. Green and blue; tarsi yellow; 
wings dusky at tip. 
