1911] Cynipidce of California 353 



Andricus wiltzae n. sp. 



Female. Head and thorax black, abdomen walnut brown, darker 

 (almost black) on the dorsum, antennae brown, 1st, 3rd and 4th segments 

 spotted with black, distally from 6th segnemt fuscous to black, tegulas, 

 sheath of ovipositor, anterior Legs and joints of middle and hind legs 

 brown. Head broad and thin, with close, reticular sculpturing, 

 narrow, antennas 13-segmented, 1st and 2nd segments stout, 1st obconic, 

 2nd subglobular, 3rd longest, as long as 1 and 2 together, following 

 segments progressively shorter to last, which is twice penultimate. 

 Prothorax narrow in the middle and transversely folded, sparsely 

 punctate, each puncture bearing a hair, mesonotum openly reticulate, 

 transversely folded, parapsidal grooves complete and distinct, median 

 longitudinal lines reaching almost half-way to posterior margin, smooth 

 lines over base of wings distinct, pleura smooth and polished, aciculate 

 in the middle, pubescent below, seutellum deeply rugose, basal foveas 

 large, oval, with smooth, shining bottom, approximate, separated only 

 by a carina, mctanotum smooth, polished, pubescent. Abdomen stout, 

 subglobose, smooth and shining, 2nd segment occupying less than 

 one-half its length, 3rd segment rather broad, slightly punctate, 4th, 

 5th' and 6th segments narrow, all with oblique margins, ventral valve 

 concealed, black, ovipositor sheath slightly projecting, pubescent. 

 Wings hyaline, pubescent, subcostal, basal and radial veins heavy, 

 brown, others faint, radial cell long, narrow, open at the margin, vein 

 at base arcuate, areolet distinct but veins on two sides faint, cubitus 

 faint, not reaching basal vein. Length 2..") mm. 



Gall. Polythalamous galls formed in the buds of Quercus lobata, 

 distinguished by the thickly compacted cluster of aborted leaves. 



Habitat. Stanford University, Cal. (Miss Bertha Wiltz.) 



Andricus brunneus n. sp. 

 Female. Brown to reddish brown, the eyes, ocelli, tips of mandibles, 

 antenn;e distally, mctanotum in the middle, tips of tarsi, abdomen 

 dorsally at apex ami dorsal valve black or blackish. Head faintly 

 reticulate, face pubescent antenna; 14-segmented, 1st segment obconic, 

 2nd oval, 3rd longest, as long as 1 and 2 together and a little longer than 

 4th, succeeding segments to 9th progressively shorter, 9th and following 

 segments subequal, except the last, which is a little longer than penulti- 

 mate. Pronotum and mesonotum finely reticulate, sparsely punctate, 

 each puncture bearing a hair, parapsidal grooves indistinct, reaching 

 but half-way to anterior margin and rather widely separated, median 

 longitudinal lines extending half-way to posterior margin, smooth lines 

 over base of wings distinct and long, pleura smooth, microscopically 

 reticulate, pubescent above and below, seutellum rugose, basally witii 

 large, transverse fovea?, smooth at bottom, contiguous, separated only 

 by a carina, mctanotum almost smooth. Abdomen smooth, shining, 

 compressed and dorsally ridged, 2nd segment occupying not more than 

 one-third its length, pubescent at the base, 3rd, 4th, .1th ami 6th segments 

 punctate, 7th segment reticulate, dorsal valve and sheaths of ovipositor 



