124 CYXIPIDOrS GALLS AND (1 ALL-WASPS— ASHME AD. vol.xix. 



covered with a glittering whitish pubescence. The abdomen is hardly 

 as long as the head and thorax together, and is closely longitudinally 

 grooved or striated ; the ovipositor sheaths are not visible and the spine 

 of the ventral valve is very short. "Wings hyaline or very slightly 

 tinged with fuscous, the veins brown, distinct; the areolet is large, tri- 

 angular, the cubital cell closed, while the basal vein of radial cell is but 

 slightly anguluted. 



Type.—^o. 3074, U.S.KM. 



A dozen or more specimens, reared March 2<S to April 4, 1882, froui 

 a gall found on the live oak at Fort Grant, Arizona, by H. K. Morrison, 

 Unfortunately the gall could not be found in the collection, and the 

 following is all the Record IJook has concerning it: 



March 34, 1SS3. — Received from U.K. Morrison two galls on petiole, of live oak; 

 they are irregularly rouiulisli and ai"e about the size, ami color of a large <lrie(l pea. 



The longitudinally striated abdomen will at once distinguish tlie 

 species from all others in our fauiui. 



20. CYNIPS CHRYSOLEPIDICOLA, new species. 



G((ll. — An irregular, swollen enlargement, suiiounding a twig or 

 branch of Quercus cJirysolepifi, exactly similar to the gall Aii(lri<-i(s 

 medulhv, Ash mead, and indistinguishable from it. It varies in length 

 from half an iixili to one inch and a half or more. 



Gallfti/. — Female. Length, 2 to 3 mm. Pale brown, eight terminal 

 joints of antenna', metathorax, eyes and ocelli, and the prosternum 

 black or brown black, the dorsum of abdomen dusky. 



Head, thorax, and scutellum finely, closely punctate and sparsely 

 covered with a yellowish pubescence. The antenuic are long, la-jointed, 

 pubescent, fourth, fifth, sixth, seventh, and eighth joints long, subequal 

 with the long third joint; beyond these the joints are short, about 

 twice as long as thick. The parapsidal grooves are obsolete anteriorly, 

 and between them is a luedian groove extending nearly the whole 

 length of the mcsonotum, and two short, median, glabrous lines ante- 

 riorly; the groove on the shoulders is short. The i)ubescence on the 

 thorax and scutellum is often ((uite dense, and the cheeks are promi- 

 nent and bulging. The abdomen is greatly compressed, almost free 

 from ]»ubescei!ce, the second segment not occupying half its length, all 

 the following segments distinctly visible, the ovipositor curvimj around 

 upon the mi<}<Ur oflhc hacli. Wings hyaline, veins pale brown, the areolet 

 large, the (Mil)ital cell closed, the vein at base of radial cell angulated. 



Tiipe.—^o. 3075, U.S.N.M. 



Many specimens, received from ]\Ir. Allxnt Koebele, collected at Pin(» 

 Canyon, California, and bred during January and February, 18S3. The 

 ])osition assigiu'd this species is uncertain, and it ndght easily be 

 placed in either llolcuHpis or CalUrhytis. 



