38 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 7J 



description of rugosiihorax Ashmead in color but differs decidedly in 

 the proportions of the abdominal tergites. 



Female. — Length, 1.6 mm. Moderately robust ; head broader than 

 thorax; occiput above with about four irregular rugae extending 

 from eye to eye; vertex finely punctate, opaque; frons and face 

 laterad of antennal depression coarsely punctato-rugulose; antenna! 

 depression distinctly margined above and transversely striated, the 

 striae a little more distinct below than above; cheeks more finely 

 punctate than the face; ocelli in an obtuse triangle; first funicle joint 

 as long as pedicel, second a little longer than broad; third about as 

 long as broad; fourth and fifth broader than long; club moderately 

 thick, all joints, except the last, slightly broader than long, the ulti- 

 mate joint conical; mesoscutum strongly convex and rugose, the 

 rugae irregular but distinctly longitudinally directed on the posterior 

 portion of this sclerite; scutellum rugose, margined apically and lat- 

 terally, the rugae not longitudinal; propodeum rugoso-punctate; 

 mesopleura irregularly longitudinally rugose; metapleura rugose but 

 not longitudinally so; marginal vein two-thirds as long as stigmal; 

 the postmarginal more than twice as long as stigmal; abdomen a 

 little broader than the thorax, a little broader than long; first tergite 

 longitudinally striated, the striae well separated with the intervening 

 areas nearly smooth; second tergite about twice as broad as long, 

 more than twice as long as the first, evenly rugulose-punctate with- 

 out longitudinal rugae except at extreme base; third not over one- 

 fourth as long as second and similarly but a little more finely 

 sculptured; following tergites very short; venter closely punctate. 

 Black; extreme base of scape, trochanters, all tibiae and all tarsi 

 rufo-piceus to rufo-testaceous; antennae, except base of scape, black, 

 and all coxae and femora black; wings hyaline. 



Male. — Similar to the female except that the antennae are not 

 clubbed, the first flagellar joint is longer than the pedicel, the following 

 joints to penultimate are subequal and subquadrate, and the femora 

 are rufo-piceus. 



Type locality. — Uvalde, Texas. 



Type.— C&t. No. 29453, U.S.N.M. 



Type and three paratype females reared from eggs of Namia pall- 

 idicornis Stal, by A. P. Dodd at Uvalde, Texas, in August, 1924. 

 Two males, including the allotype, and fifteen female paratypes 

 reared from eggs of the same host insect at Uvalde, Texas, in August, 

 1923, by J. C. Hamlin; and three females and one male from eggs 

 of Narnia Jemorata Stal, Brownsville Texas, August, 1922, by T. C» 

 Barber. 



