1!)11] Cynipidce of California 371 



Synergus varicolor n. sp. 



Female. Black, thorax mixed with brown, antennas (except tip),, 

 face below antennae, genae, orbital margin broadly, tegula?, abdomen on 

 ventral and posterior margins and legs wholly brown. Head reticulate, 

 face radiately striate, slightly pubescent, antennae 14-segmented, 3rd 

 segment longest, longer than 4th, 4th-6th subequal, following segments 

 progressively shorter, except the last, which is a little longer than penul- 

 timate. Pronotum wide in the middle, mesonotum rugoso-punctate, 

 pubescent, parapsidal grooves incomplete, reaching half-way to anterior 

 margin, median longitudinal lines and smooth lines over base of wings 

 distinct, mesoplcura aciculate anteriorly, postern >rly smooth and shining, 

 scutellum deeply rugose, basal foveas large, oval, and shallow, bottom 

 rough, contiguous, separated by a carina. Abdomen highly polished, 

 2nd and 3rd tcrgites connate, wholly obscuring following segments, 

 line of the tergum only slightly curved, sternal line semicircular, only 

 tip of ovipositor, which is brown, protruding. Wings hyaline, pubescent, 

 radial cell closed, arcolet and basal part of cubitus rather indistinct. 

 Length 2.5 mm. 



Male. Differs in having 1 5-segmented antennae and the head 

 almost entirely, prothorax, mesonotum, mesoplcura and ventral and 

 posterior margin of abdomen brown. 



Bred from galls of Callirhytis pomiformis on Quercus agrifolia. 

 Habitat. Stanford University, Cal. (R. W. Patterson.) 



Synergus maculatus n. sp. 



Female. Yellowish brown, the eyes, ocelli, tips of mandibles, 

 presternum, metathorax and abdomen dorsally at apex black. Head 

 finely punctate, face radiately striate, antenna' 14-segmented, 1st and 

 2nd segments stout, 3rd segment longest, slightly longer than 4th, 

 succeeding segments to 10th progressively shorter, llth-13th subequal, 

 last somewhat longer than penultimate. Thorax faintly punctate anil 

 pubescent, parapsidal grooves incomplete, reaching half-way to anterior 

 margin, scutellum rugose, fovese indistinct. Abdomen as long as head 

 and thorax together, elliptical when viewed from above, oval as seen 

 from the side, smooth and shining, 2nd and 3rd tcrgites connate, reach- 

 ing apex, and almost completely obscuring following segments, dorsal 

 valve and ovipositor sheath conspicuous, slightly protruding. Wings 

 hyaline, veins faint, areolet distinct, faint on two sides, radial cell closed. 

 Length 1.75 mm. 



The male differs in having stout 15-segmented antennae and more 

 black on abdomen dorsally. 



Bred from a small, yellowish-brown, depressed globular 

 gall, about 2 mms. in diameter, on upper surface of leaves of 

 Quercus agrifolia. 



Habitat. Stanford University, Cal. (R. W. Patterson.) 



