100 PROCEEDINGS OF THE NATIONAL MUSEUM vol.68 



sexes emerged July 3, 191i2, and May 22, 1913. Osten Sacken col- 

 lected galls at New lioclielle and Barrytown, Zabriskie at Nyack 

 and Flatbush, N. Y. ; Thompson at Woods Hole, Mass. The writer 

 has collected a similar gall on Q. ivibricaria at New Lenox, 111., 

 Kosslyn and Bluemont, Va., and at Washington, D. C. 



CALHRHYTIS SEMINATOR (Harris) 



Galls of this species are here recorded on Quercus alha from the 

 following localities: Williams Bay, Wis.; Fort Sheridan, Glencoe, 

 Evanston, La (grange, Glen Ellyn, Willow Springs, Kankakee, and 

 Utica (Starved Rock Park), 111.; Cedar Rapids (Scott), Iowa: 

 Miller and Porter, Ind. ; Poplar Bluff, Mo.; Texarkana, Ark.; 

 Tuskahoma, Okla. ; Tro}', Ala. ; Fairfax, S. C. ; Richmond, Rosslyn, 

 Alexandria, and Bedford County (Apple Orchard Camp), Va. ; 

 Plummer Island (McAtee), Md. ; Gettysburg, Pa.; Ithaca, Industry 

 (Crosby), East Hampton (Crosby), and Farmingdale (Crosby), 

 N. y. At Evanston the galls were found just starting on May 17 

 and adults issued June 29-July 12. At Washington the galls start 

 to develop early in April. Middleton reared adults at Falls Church, 

 Va., June 13, 1913, June 13, 1911, and June 18-29, 1915. Galls from 

 Kanawha Station, W. Va., collected by Hopkins gave adults June 

 21-25, 1912. The writer has seen the gall on the rock chestnut oak, 

 Q. montana, at Falls Church, Va., and on the basket oak, Q. prinus, 

 at Gainesville and Jacksonville, Fla., the latter host being previously 

 unrecorded for this species, 



CALLIRHYTIS SEMINOSA Bassett 



Galls like the Bassett types have been collected on Quercus pahis- 

 trls at East Falls Church, Va., but no adults Avere reared. Zabris- 

 kie collected a gall on the same host at Nyack, N. Y, Beutenmuel- 

 ]cr has taken it in Bronx Park, New York City, on red oak, Q. 

 maxiina. 



CALLIRHYTIS TUBICOLA (Ostcn Sacken) 



The galls of this species start to develop late in July and become 

 full grown during September. The writer has observed them on 

 Quercus stelkita at Poplar Bluff and Ironton, Mo. ; Hugo and Tus- 

 kahoma, Okla. ; College Station and Trinity, Tex. ; East Falls Church 

 and Clarendon. Va., and Washington, D. C. Galls collected in Octo- 

 ber, 1917, at Ironton gave adults May 16, 28, and June 8, 1918. 

 Galls at College Station contained pupae on November 1, 1917, and 

 adults issued May 11, 16, 26, 28, 1918, Galls at Clarendon contained 

 adults November 29, 1923, which emerged indoors INIarch 1, 1921. 

 S. A. Rohwer collected galls at Ironton in October, 1918, and reared 

 adidts (at Washington) April 9, 16, 26, 1919 (Hopkins V. S. No. 

 10774/). 



