This Braconid genus belongs to Wesmael's Polymorphes, and the species described below to Haliday's subgenus Meteorus, which is distinguished from the other genera or subgenera with Petiolated abdomen, by the anterior wing having three contiguous cubital cells.

1. Perilitus Niveitarsis. N. sp.––♂ ♀.––Ferruginous, shining; cheeks, sides of thorax and apex of abdomen thinly clothed with a short, whitish, somewhat pruinose pubescence; face and mouth pale ferruginous; palpi whitish; occiput and space enclosed by ocelli, blackish; antennae entirely dark fuscous; prothorax and sutures of mesothorax blackish; metathorax rounded, reticulated and with a trarsverse arcuate carina before the middle; tegulae Pale yellow; wings hyaline, iridescent.