354 Annals Entomological Society of America [Vol. IV, 



exserted. Wings hyaline, pubescent, subcostal, basal and vein at base 

 of radial cell heavy, brown, others faint, radial cell long, open at margin, 

 vein at base arcuate, with fuscous suffusion, areolet small but distinct, 

 cubitus not reaching basal vein. Length 3 mm. 



Gall. Thin-shelled, subglobular galls on leaves of Quercus douglasi, 

 about the size of a pea, pointed at opposite poles. 



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



335. 



8 CALLIRHYTIS Forst. 

 Callirhytis, A. Forster, Verh. Zool. Ges. Wien, vol. 19 Abh. (1869), p. 331, 



Andricus (Callirhytis), G. Mayr, Gen. d. Cynip. (1S61), p. 27. 

 Differs from Andricus only in the following particulars: 

 parapsidal grooves not always complete, tarsal claws simple. 



Callirhytis chrysolepidicola (Ashm.) 

 Cynips cbrvsolepidicola, Ashmead, Proc. U. S. Xat. Mus., vol. 19 (1896), 



p. 124: 



Female. Brown, eyes, tips of mandibles, face above base of antennae 

 and on anterior margin, and metathoracic carina? black, antennas, 

 abdomen dorsally, and tibia? and tarsi of middle and hind legs fuscous. 

 Head rugose, slightly pubescent, antenna? 15-segmented, 1st and 2nd 

 segments stout, 1st obconic, 2nd smaller, 3rd segment longest, longer 

 than 1 and 2 together, 4th-6th segments progressively shorter, following 

 segments subequal except the last, which is smaller than penultimate. 

 Mesothorax punctate and pubescent, parapsidal grooves indistinct, 

 scutcllum small, cushion-shaped, rugose and pubescent, fovea? distinct, 

 oval, shallow and approximate. Abdomen darker than head or thorax, 

 smooth and shining, 2nd segment pubescent at base, ventral and dorsal 

 valves of medium length and pubescent, ovipositor long, extending 

 much beyond the abdomen. Wings hyaline, pubescent, subcostal, radial 

 basal and 2nd transverse veins heavy, black, other veins rather feeble, 

 radial cell open at margin, areolet distinct. Length 2 mm. 



Gall. Stem or twig galls; brown, with a bluish tint, and rugose, 

 over 2.") mm. long and about 15-20 mms. in diameter, the long axis lying 

 in the direction of the twig, hard and woody, polythalamous. 



Habitat. Pacific Grove, Cal. (C. P. Smith.) Pine Canyon, 

 Cal. (Ashmead.) 



Callirhytis apicalis (Ashm.) 



Andricus apicalis, Ashmead, Proc. U. S. Xat. Mus., vol. 19 (1896), p. 120. 

 Callirhytis apicalis, G. Mayr, Verh. Zool. Ges. Wien, vol. 52 (1902), p. 289. 



"Galls. Irregular, brownish black, globular galls of a dense pithy 

 substance, growing on the roots of Quercus wisliceni, sometimes three 

 or four together, pressing each other into irregular shapes. Diameter 

 usually about half an inch. 



"Gall-fly. Female. Length 5.8 to 7 mm. Bright brick red, the 

 mandibles black at tips. Head and thorax finely punctate with some 

 larger, coarser punctures scattered over the surface, and almost free 



