1911] Cynipidce of California 35 1 * 



tergites visible, dorsal and ventral valves with a brush of hairs. Wing 

 hyaline, pubscent, veins farily distinct, radial cell open at margin, shorl . 

 vein at base arcuate, radius only slightly bent, almost a straight line, 

 areolel present and distinct, cubitus not reaching basal vein. Leu i 

 2 mm. 



Gall. Brownish, subglobular, depressed galls on under side of 

 lr;i\ es of Quercus chrysolepis, 6-7 mm. in diameter, punctate, and covered 

 with pubescence, which is pale brownish tinged with red. Polythal- 

 amous. 



Habitat. Stevens Creek Canyon, above Cupertino, Cal. 

 (R. W. Patterson.) 



Callirhytis quercus-suttoni (Bass.) 



Cynips quercus suttoni, H. F. Bassett, Can. Ent., vol. 1.'! (1881 I, p. -'it. 

 An : i llirhytis) suttoni, G. Mayr, Gen. .1. Cynip. (1883 



Callirhytis quercus-suttoni, Dalla Torre ami Kieffer, Das Tierreich, lief. 

 2-4 Cynipidae (1910), \>. 564. 



Callirhytis polythyra, Beutenmuller in litt. 



Female. Reddish brown, tips of mandibles, oral margin, antenna; 

 distally from 4th segment at joints, prosternum, base of seutellum, 

 metathorax, abdomen dorsally at base, ventral valve and hind tibiae 

 and tarsi black or blackish. Head faintly rugose, face pubescent, • 

 narrow, antennas 1 o-segmented, filiform, 1st and 2nd segments stout, 

 3rd segment longest, longer than 1 and 2 together and one-half longer 

 than 4th, succeeding segments to 0th progressively shorter, 9th-15th 

 subequal. Pronotum narrow in the middle, mesonotum coriaceous 

 and sparsely punctate, pubescent, parapsidal and median groo 

 reaching less than half-way to anterior margin, median longitudinal 

 lines and smooth lines over base of wings distinct, pleura pubescent, 

 medially smooth and bare, seutellum rugose and pubescent, a rather 

 broad, arcuate groove at base in place of the usual fovea;. Abdomen 

 smooth and shining, second segment occupying less than half Us length, 

 pubescent at base, 3rd and 4th segments rather broad, succeeding 

 segments narrow or concealed, ventral valve prominent, ovipositor 

 sheath exserted, pubescent. Legs thickly covered with short hairs. 

 Wings hyaline, pubescent, veins brownish, rather faint, radial cell long, 

 narrow, open at the margin, vein at base angulate, areolet distinct, 

 cubitus not reaching basal vein. Length 3.5 mm. 



Gall. Spherical or elongate twig swelling on Quercus agrifolia, and 

 Quercus chrysolepis, about 20-30 mms. in length and 15-2.3 mms. in 

 diameter, covered with normal bark and ligneous within. Polythal- 

 amous, the numerous oval cells lying near the surface. 



Habitat. Claremont, Cal. (Baker.) 



Callirhytis vacciniifoliae Ashm. 



Callirhytis vacciniifoliae, Ashmead, Proc. U. S. Nat. Mus., vol. lit (1896), 

 p. 130. 



"Gall. A thin shelled, globular gall, with a central kernel held in 

 place by radiating filaments and closely resembling the gall produced 



