180 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.40. 



CRYPTOXILOS, new genus. 



Belongs to the Euphorinse and has characters in common with 

 Peristenus Foerster. Apparently, however, more nearly related to 

 Loxocephalus Foerster. 



Transfacial line at least one-sixth longer than the facial line, 

 clypeus rather hidden and partly covered by the closed mandibles 

 which latter are falcate and edentate and inserted back of a point on 

 a line with the middle of the eyes, malar line a little longer than width 

 of mandibles at base, antennas 12-jointed, not much longer than the 

 head and thorax together, inserted close to and opposite the middle 

 of the eyes, the space between the scrobe and the eye not as wide as 

 the scrobe, head as seen from above at least twice as wide as long 

 antero-posteriorly, occipital carina complete; notauli converging to 

 the scutel short of which they unite to form a triangular lobe, recur- 

 rent vein wanting, transverse cubitus incomplete, not meeting the 

 cubitus; petiole almost parallel sided not produced laterally. 



Otherwise similar to Peristenus Foerster. 



Type. — Cryptoxilos dichromorpJius, new species. 



CRYPTOXILOS DICHROMORPHUS, new species. 



Male. — Length 1.25 mm.; castaneous, shining. Face mostly yel- 

 lowish beneath the antenna?, divided by a low carina that extends 

 from the anterior ocellus almost to the clypeus, front indistinctly 

 pitted between the scrobes, scape but little longer than the pedicel, 

 first joint of flagel longer than the scape but a little shorter than the 

 second joint of the flagel, remaining joints subequal, excepting the 

 apical joint which is the longest, antenna? stramineous, infuscated, 

 ocelli nearly equidistant and distinctly nearer to each other than to 

 the nearest point on the eyes; thorax shining and somewhat darker 

 than the occiput, wings transparent, faintly infuscated, veins stramin- 

 eous, stigma very dark brown, forming an obtuse angled triangle 

 and nearly as large as the radial cell, cubitus extending as far beyond 

 the point where the transverse cubitus would meet as the transverse 

 cubitus is long, submedian vein parallel to the median and not 

 extending beyond the basal; propodeum reticulate, with a petiolarea; 

 tegulse and legs stramineous, basal hind tarsus approximately as 

 long as the next three joints combined, claws apparently simple, 

 empodium of hind onychium apparently nearly as long as the claws; 

 abdomen brownish, smooth and polished except for the petiole which 

 has three dorsal, longitudinal, straight, parallel carinas, second seg- 

 ment cask-shaped, a little longer than the petiole and at least twice as 

 long as the combined length of the segments beyond, the segments 

 beyond the second apparently not differentiated, tip of abdomen and 



