1865.] 83 



pubescent, shining; head globose; antennae fuscous. Thorax shining; 

 mesothorax without impressed lines, tinged with fuscous on the disk 

 and also on the posterior margin; pleura with a curved fuscous line on 

 each side ; metathorax stained with fuscous, finely and closely punc- 

 tured, with a faint carina down the middle, basal margin somewhat 

 striated ; tegulae pale testaceous. Wings short, hyaline ; nervures and 

 stigma fuscous. Legs pale yellowish, the posterior pair more or less 

 dusky. Abdomen rather short, ovate, finely punctured, subopaque ; 

 basal margins of the segments slightly impressed ; first segment fuscous, 

 concave, and carinated on each side ; second segment not excavated ; 

 two apical segments tinged with fuscous. Length 1} line; expanse of 

 wings 2i lines. 



Collection. — Dr. J. Grundlach. One specimen. 



Bracon fuscovarius, n. sp. 



Pale luteous: lateral margins and two lines on disk of mesothorax. spot on 

 each side of pleura, most of metathorax, posterior femora and dorsal surface of 

 abdomen, blackish or fuscous; wings hyaline; abdomen elongate, ovipositor 

 very short. 



Female. — Pale luteous; head transverse; antennae tinged with honey- 

 yellow (broken) ; mesothorax with the dorsal lines deeply impressed, 

 not reaching the posterior margin, fuscous, as well as the lateral mar- 

 gins; on each side of pleura a rather large blackish mark; metathorax 

 rugose, with a large blackish mark covering nearly the whole of the 

 dorsal surface ; tegulae pale luteous. Wings hyaline, iridescent ; ner- 

 vures pale luteous varied with fuscous, stigma rather large, fuscous, the 

 base and apex pale luteous. Legs pale luteous, long and slender; a 

 spot on the posterior coxae and most of their femora, fuscous. Abdo- 

 men elongate, depressed, the three basal segments covered with longi- 

 tudinal striae; pale fuscous, a spot on each side of the basal segment 

 and stains on the upper surface of second and third segments, fuscous ; 

 beneath pale luteous; ovipositor scarcely exserted. Length 3 lines; 

 expanse of wings 5 lines. 



Collection. — Dr. J. Gundlach. One specimen. 



Genus ROGAS, Nees. 

 Rogas flavidus, n. sp. 



Yellowish : antennse, apical half of posterior tibife and their tarsi entirely, 

 black: wings pale yellowish-hyaline, apical margins broadly dusky; two basal 

 segments of abdomen with a carina down the middle. 



Male. — Yellowish, mostly opaque, slightly pubescent; head dull ho- 

 ney-yellow, the eyes large, blackish, as well as the tips of the mandi- 

 bles ; antennae as long as the body, blackish. Thorax : mesothorax 



