66 PBOOEEDINGS OF THE NATIONAL MUSEUM vol, 70 



as long as wide, the sixth and seventh not quite one and one-half 

 times as long as wide, all of equal width and clothed with short 

 closely set hairs. Thoracic dorsum minutely punctate and with no 

 or very few shallow irregularly placed impressions; clothed very 

 sparsely with feeble hairs; parapsidal furrows shallow; central por- 

 tion of dorsum unusually wide and fiat, the posterior part of the 

 mesoscutum very wide and more deeply punctured than the anterior; 

 anterior margin of scutellum widely punctate, a shght longitudinal 

 depression extending from the anterior margin back to the scutellar 

 cross furrow; scutellar cross furrow well defined the apex as widely 

 but not so deeply sculptured; propodeum more or less coarsely sculp- 

 tured the anterior margin with several large pits and the carina ex- 

 tending about three-fifths the distance posteriorly, the central area 

 posteriorly with several feebly developed folds; coxae dark greenish 

 blue, the hind coxae brown with a purple tint outwardly above; 

 femora dark greenish blue, except the tips, which are testaceous; 

 tibiae testaceous, tarsi mostly yellow, the tips brown; wings sparsely 

 ciliate, the marginal vein yellowish and five-sevenths as long as the 

 submarginal which is brownish; stigmal vein sessile. Abdomen 

 longer than the thorax and rather robust; two-thirds of basal seg- 

 ment shining green the apical portion brownish purple; rest of a,b- 

 domen green with an undershade of brown and purple in some lights; 

 first four segments deeply incised medially, the fifth with an unusually 

 deep rounded incision. 



Male. — Length 3.25 mm. Scape fuscescent green; all joints of 

 funicle longer than wide, the last joint very slightly longer. Tho- 

 racic dorsum with a purplish tinge in some lights; coxae, femora and 

 hind tibiae green, with a tinge of dark purple; the other tibiae not 

 so dark and somewhat testaceous at tips and inwardly. 



Type locality. — Tepic, Mexico. 



Allotype locality. — Grant's Pass, Oreg. 



Host. — Cynipid gall on Quercus, species (Type). Disholcaspis 

 maculipennis Gillette on Quercus garryana Douglas (Allotype) . 



Type.— Cat. No. 25317, U.S.N.M. 



Described from several specimens. The type and allotype are 

 deposited in the National collection. Six paratypes are in the 

 author's collection. 



Distribution. — Tepic, Mexico, Bureau Entomology No. 5722''. Type. 



Allotype and two paratypes reared from Disholcaspis maculipennis 

 Gilette on Quercus garryana Douglas, collected by A. C. Kinsey at 

 Grant's Pass, Oreg., April 7, 1920. One specimen reared from 

 Andricus pacificus Ashmead, on Quercus chrysolepis Liebmann, 

 collected by Kinsey at Ukiah, Calif., March 17, 1920. Three 

 specimens reared from Disholcaspis corallina (Bassett), collected at 

 Merced Falls, Calif., by Kinsey. 



