Ara. 10 GALL-INHABITING CYNIPID WASPS WELD 51 



these hosts at Nogai Canyon south of Socorro, Hillsboro, Kingston, 

 and in Burro mountains, N. Mex., and at Prescott, Ariz. Similar 

 galls were observed on Q. ohloiKjlfolla in the Hiuichuca and Pata- 

 gonia Mountains. 



TRIGONASPIS OBCONICA Weld 



Galls of this species were observed on a dozen or more trees of 

 Qh'crcus lohata^ a previously unrecorded host, at Cloverdale and 

 Santa Rosa, Calif., on May 7, 1922, usually at the base of small 

 trees. The galls were rosy when only slightly buried but white 

 or yellowish if deeper. At this date the galls contained lioth puj^ae 

 and adults, the flies emerging May 13, 17, 20. 



BIORHIZA ELDORADENSIS (Beutenmueller) 



The writer noted the occurrence of cells of this species in acorns 

 of Quercus agrifolia at Ojai, Paraiso Springs, and Mount Diablo; 

 on Q. wislizeyiii at I'ikiah, in California Redwood Park, in the 

 Santa Lucia Mountains, in the San Bernardino and Santa Ana 

 (adults out September 23) Ranges, and at Idyllwild were adults 

 emerged September 21 to October 1\ on Q. kelloggii in the Sequoia 

 National Park, in the California National Forest along the road from 

 Upper Lake to Bartlett Springs, at Fort Jones, Scott Bar, and 

 Milford, Calif., and at Siskiyou, Oreg. 



BIORHIZA RUBINA Gillette 



White or rosy translucent depressed spherical galls 2-3 mm. in 

 diameter on under side of leaves of Quercus alha in fall, agreeing 

 with the original description of the galls of this species, have been 

 noted at Evanston, Lake Forest, and Clinton, 111. ; Ironton, Mo. ; 

 Medina, N. Y., and Bluemont, Va. Similar galls have been seen 

 on the rock chestnut oak, Q. montana^ at Bluemont and East Falls 

 Church, Va. The writer has not reared the adult. 



XANTHOTERAS FORTICORNIS (Walsh) 



The oak-fig gall on QueroAis alha has been observed at Cayuta 

 Lake, Riverhead (Crosby), and Ithaca, N. Y. ; Pitman (Bradley), 

 X. J.; Ironton, Mo.; Tuskahoma, Okla. ; Evanston, Glencoe, and 

 Fort Sheridan, III.; AVashington, D. C. : and Bluemont, Va. At 

 Miller, Ind., it was just beginning to develop on June 30 and at 

 Toronto Brodie says they begin to appear towai'd the end of June. 

 At Riverhead they contained pupae on September 30. Galls col- 

 lected at Ironton in October, 1917, containing adults Avere put out 

 of doors in cage on ground on November 26 at Evanston, 111. On 



