334 Annals Entomological Society of America [Vol. IV, 



Biorhiza californica (Beutenm.) 



Pliilonix californica, Beutenmiiller, Ent. News, vol. 22 (1911), p. 69. 



"Female. Head pitchy brown black, minutely rugose with scat- 

 tered, short hairs. Antenna? 13-jointed; first joint stout, cylindrical; 

 second joint shorter, stout and rounded at the tip ; third joint very long 

 and slender; fourth, fifth and sixth joints slender and shorter than the 

 third; remaining joints gradually becoming shorter and thicker toward 

 the thirteenth, all pitchy brown and pubescent. Thorax pitchy brown 

 or dull rufous, evenly rugose, somewhat wrinkled and with a few scat- 

 tered hairs. Parapsidal grooves very fine and somewhat lost in the 

 rough surface anteriorly, convergent at the scutellum. Scutellum 

 evenly rugose like the thorax, and of the same color. Abdomen com- 

 pressed, convex at the sides and rather sharply keeled on the dorsum 

 and venter, dark pitchy brown, smooth and shining. Legs pitchy 

 brown, somewhat paler than the abdomen and pubescent. Wings 

 aborted, not extending to the middle of the abdomen. Length 1 mm. 

 ► "Gall. On the upper surface of the leaves of a species of white oak. 

 Monothalamous. Rounded, flattened disc-like, becoming slightly 

 elevated toward the middle. The sides are flat and very thin, and tin- 

 gall rests closely on the leaf. The larva lives in the center of the elevated 

 part. The color is pinkish or purplish, with the apex sometimes yellow- 

 ish. Width, 3 to 4 mm. Height. 1 mm. 



"Habitat. Kern Co., California, January." 



(Wm. Beutenmiiller.) 



I have not seen specimens; the type is in the National 

 Museum. 



2 NEUROTERUS Hartig. 



Cynips (part.), Linne, Syst. Nat. ed. 10 (1758), p. 343, 553. 



Neuroterus, Spathegaster, Hartig, Zcits. f. Ent.. vol. 2 (1840), p. 185, 192, 

 186, 194. 



Ameristus, A. Forster, Verb. Zool. Ges. Wien, vol. 19 Abh. (1869), p 330, 333. 



Dolichostrophus, Ashmead, Tr. Am. Ent. Soc, vol. 14 (188i I, p. 12!i nota. 



Head, thorax and scutellum smooth or microscopically reticulate 

 and shining. Parapsidal grooves wanting or very indistinct. Meso- 

 notum not separated from scutellum by a suture, posterior margin with 

 an arcuate recess or indention, a broad transverse groove at base of scu- 

 tellum. Antenna? of female 13-14 segmented, of male 14-15 segmented. 

 Abdomen large and subpetiolate in female, small and with a long petiole 

 in male. Wings of male very long, usually shorter in female. Radial 

 cell nearly always open and very long. In galls on Quercus. 



Neuroterus quercus-batatus (Fitch). 

 Cvnips quercus-batatus, A. Fitch, 5th Rep. In^. X. York (1859), p. 30. 

 Neuroterus batatus, G. Mayr, Gun. Gallenb. Cynip. (1881), p. 37. 

 Neuroterus quercus-batatus, Dalla Torre & Kieffer, Das Tierreich, lief. 24 

 Cynipidae (1910), p. 334. 



Female. Black, shining, mouth-parts, base of antenna;, legs 

 beyond tibia; and at joints above, teguke, pedicle and ovipositor brown- 

 ish. Head faintly rugose, face pubescent, antenna; 13-segmented, 



