NO. 1804. DESCRIPTIONS OF NEW HYMENOPTEBA— CRAWFORD. 619 



lower margin is colored and the upper is not; marginal vein at base 

 with an enlarged parastigma; stigmal vein and Imob enlarged; 

 postmarginal indistinct because almost colorless; tarsi in female 

 five-jointed; parapsidal furrows complete; scutellum without longi- 



FlQ. 1.— DiPACHYSTIGMACUSHMANI. AN- FiG. 2.— DiPACHYSTIGMA CUSHMANI. FORE KING 



TENNA OF FEMALE. OF FEMALE. 



tudinal lines; propodeum short, median carina indistinct, spiracles 

 small, round, placed in depressions. 



To this tribe belongs apparently the genus Pleuropaclius Westwood, 

 which has the marginal vein enlarged and the stigmal knob also 

 enlarged. 



DIPACHYSTIGMA CUSHMANI, new species. 



Female. — Length about 1 mm. Head dark blue, the mesonotum 

 greenish, the abdomen aeneous, with blue at the base and sides; 

 head closely punctured, but so finely that the surface appears gran- 

 ular; antennae brown, the scape at apex whitish; mesonotum with 

 fine thimble-like punctures; propodeum smooth; prepectus punc- 

 tured, mesepisternum finely striate, the rest of the mesopleurse 

 smooth; legs dark brown w^ith more or less metallic lustre, the tarsi 

 whitish; wings subhyalme, stigmal vein and parastigma surrounded 

 by small stigmal clouds (represented in fig. 2 by the stippling); 

 abdomen smooth, shiny. 



Male. — Unknown. 



Described from eighteen specimens bred fi-om StejjJianoderes, 

 species, at Tallulah, Louisiana, by Mr. R, A. Cushman, Bureau of 

 Entomology, Department of Agriculture, and recorded under Hop- 

 kins number 8634. 



Type.—Csit. No. 13458, U.S.N.M. 



Named for Mr, R. A. Cushman. 



PLEUROTROPIS ATAMIENSIS Ashmead. 



This species, which was described by Doctor Ashmead without 

 the host being known, was reared by Mr. T. Fukai at Konosu, Japan, 

 together with Ewplectrus fukaii, from Naraga diffusa, and is probably 

 a secondary parasite on the Ewplectrus. 



