1911] Cynipida of California 335 



fuscous to black, except three first segments, which arc brown, only 

 slightly pubescent, 1st and 2nd segments stout, 2ml the same width 

 throughout, 3rd segment longest, not as 1 and 2 together, 3rd and 4th 

 very slender, becoming thicker and shorter outwardly to 7th, 8-12 

 subequal, last only a little longer than penultimate. Thorax micro- 

 scopically reticulate, mesonotum without parapsidal grooves but with two 

 rather large basal depressions separated by a median ridge, scutellum 

 without basal fovea?, smooth, sparsely pubescent, sculpturing on 

 mesonotum and scutellum excessively line, on pleura and proth 

 somewhat coarse. Abdomen smooth, shining, much compressed, about 

 as broad as long, ovipositor exserted. Wings hyaline, pubescent, 

 subcostal, radial, basal and cross-veins distinct, black, radial cell long, 

 open, vein at base angulate, arcolet distinct but small, cubitus indis- 

 tinctly reaching basal. Length 1.7.5 mm. 



Male. Microscopically reticulate or rugose, rather shiny. Head 

 black, ocelli, mouth and antennae at base brown, the latter 1 t-segmented, 

 fuscous to black from 4th segment outwardly, 3rd a little longi r than 

 1 and 2 together and excised at di ital end, 4th about two-thirds of 3rd 

 and subequal with 5th, following segments a little smaller and subequal 

 except 13th, all somewhat pubescent. Presternum blackish, pronotum 

 narrow in the middle, at sides yellowish brown, reticulate and shining, 

 the color extending up on to the scapulas, rax and scutellum 



smooth, shining, microscopically sculptured, the latter fuscous yellowish 

 brown, mesopleura fuscous brown, coarsely sculptured, shining, meta- 

 thorax sordid white, slightly rugose. Abdomen long petiolate, smooth, 

 shining, at base sordid white to yellowish white, otherwise black, much 

 compressed apically and pubescent at tip. Legs very pale yellowish, 

 tips of tarsi black. Wings extending beyond abdomen more than its 

 length, hyaline, pubescent, radial cell long and open, vein at base arcuate, 

 cubital vein reaching basal, areolet distinct and large. Length 2 mm. 



Gall. Early summer galls on under side of leaf of Quercus douglasi, 

 a flat, irregular swelling, distorting the leaf, polythalamous, 8 mm. by 

 5 mm., and a sordid brown color. Late summer galls, from which adult 

 flies emerge the following spring, small hard woody swelling in terminal 

 twigs of Q. lobata, containing numerous long, oval larval cells imbedded 

 in soft spongy interior of gall. 



Habitat. Stevens Creek, beyond Cupertino, Cal. (R. W. 

 Patterson.) San Jose, Cal. (Rose Patterson.) 



Neuroterus saltatorius (Riley). 



Cynips saltatorius (Hy. Edwards in MS), C. V. Riley, Tr. Ac. St. Louis, 

 vol. 3 (1876), p. 213. 



Neuroterus saltatorius, Ashmead, Tr. Am. Ent. Soc, vol. 14 (1887), p, 128. 



Female. Black, smooth and polished, legs at joints sordid white. 

 Head microscopically reticulate, antennae 13-segmented, filiform, 

 slightly incrassate towards tip, 1st and 2nd segments stout, 3rd longest, 

 about twice as long as 2 or 4 but not as long as 1 and 2 together, succeed- 

 ing segments subequal, the three last a trifle longer than preceding ones. 

 Thorax smooth and flat, faintly sculptured, with two large depressions 



