404 PROCEEDINGS OF THE ACADEMY OF 



iiig; -wings long, narrow, areolet small, triangular, subpetiolate, 

 receiving the recurrent nervure at the tip; legs slender, claws 

 long, hooked, simple; abdomen long, subpetiolate, closelj^ and 

 rather finely punctured, first segment more than twice longer than 

 broad, sides parallel and carinate, base excavate; second segment 

 subtriangular, basal foveje large, oblique. Length 6^ lines. 



Orizaba. Considerably like certain species of Ichneumon in 

 form of body. 



15. Pimpla T pulcherrima, n. sp. 



9._Deep black, shining; clypeus, palpi, tegulre, legs (except 

 coxffi, four posterior trochanters, tips of posterior tibife and their 

 tarsi entirely), and first four segments of abdomen, bright lemon- 

 yellow ; wings yellow-hyaline, with a broad black fascia beneath 

 stigma and another paler band at tip of both pairs ; stigma black, 

 nervures j-ellow Avhere not covered by the black bands. Antennae 

 lono-er than head and thorax, filiform ; thorax smooth and polished, 

 mesothorax trilobed in front ; metathorax smooth and rounded ; 

 wings ample, areolet large, subtriangular, receiving the recurrent 

 nervure at the tip; legs short, subrobust, tarsi shorter than tibije, 

 tibial spurs short and robust, posterior femora with a short ))lunt 

 tooth beneath, midway between base and apex; abdomen elongate, 

 convex, sessile, upper surface very uneven, each segment, except 

 first, with a blister-like elevation on each side, transverse, first 

 segment equilateral, deeply excavated at base ; ovipositor as long 

 as abdomen, sheaths pubescent. Length 65 lines. 



Cordova. A very handsome and anomalous insect. Readily 

 distinguished by the beautifully banded wings, and toothed poste- 

 rior femora. 



16. Pimpla braconoides, n. sp. 



9 . Yellow-ferruginous ; head, antennje, collar, and legs black ; 

 wings yellowish-fuscous, darker at apex. Smooth and shining; 

 abdomen subsessile, first segment with two prominent longitudinal 

 carinje, the remaining segments with two prominent transverse 

 folds on each; legs short, robust; wings ample, areolet small, 

 petiolated. Length 4| lines. 



Orizaba. This has very much the general appearance of certain 

 species of Bracon. 



17. Pimpla atriceps, n. sp. 



% .Bright honey-yellow, shining ; head, antennse, collar, an- 



