502 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.40. 



terior edges bisinuate; postscutellum broad, strongly convex. Wing 

 venation light. Legs moderate, posterior femora inflated behind. 

 Oedeagus with almost no curve beneath at base and with the first 

 outer bend very near base, reflexed at the apical fourth at about a 

 right angle, apex very acute. 



TACHYTIXENOS INDICUS, new species. 



Host. — Tachytes xenoferus Rohwer, Deesa, India. Described from 

 one male and one female collected by Lt. Col. C. G. Nurse in June, 

 1898. Four wasps contained four empty puparia, one male pupa- 

 rium, one female. The male puparium contained a fully developed 

 male. 



Male. — Length 2.5 mm. Dark brown, antennae and palpi a little 

 lighter, mandibles and oedeagus transparent yellow, postlumbium 

 light brown, abdomen brown strongly tinged with yellow, elytra and 

 legs yellowish brown, wings pale with venation yellow. 



Female. — Length of cephalothorax 0.83 mm., breadth 0.97 mm., 

 breadth of head 0.82 mm., distance between mandibles 0.18 mm. 

 Cephalothorax reddish brown, darkest on edges, orange colored on 

 disk; slightly constricted at base, widest behind spiracles which 

 barely reach the edge, thence convex to apex ; apex broadly rounded, 

 sinuate in front of mandibles; mandibles diagonal, quadrate truncate, 

 with a small tooth on the inner apical angle. 



Type.— Cat. No. 13729, U.S.N.M. 



Genus EUPATHOCERA Pierce. 



EUPATHOCERA LUCTUOSAE, new species. 



Host. — Spliex (Psammophila) luctuosa Smith; Colorado Springs, 

 Colorado. Described from one female from the collection of Univer- 

 sity of Nebraska. 



Female. — Length of cephalothorax 0.98 mm., breadth at spiracles 

 1.22 mm., breadth of head 0.95 mm., distance between mandibles 

 0.20 mm. Cephalothorax brown, becoming lighter orange brown on 

 posterior half of disk; widest behind spiracles, evenly convex 

 throughout; mandibles oblique, subquadrate, concavely emarginate 

 at apex, with a small acute tooth near inner angle; spiracles not 

 reaching margin. 



Type.— Cat. No. 13708, U.S.N.M. 



EUPATHOCERA PICTIPENNIDIS, new species. 



Host. — Spliex (Ammopliila) pictipennis Walsh, Carlinville, Illinois. 

 Described from one female collected by Charles Robertson. 



Female. — Length of cephalothorax 0.92 mm., breadth at spiracles 

 1.11 mm., breadth of head 0.88 mm., distance between mandibles 

 0.19 mm. Cephalothorax dark reddish-brown, with a small lighter 

 basal area; widest behind the spiracles, constricted at base, evenly 





