124 PROCEEDINGS OF THE NATIONAL MUSEUM vol.68 



The smooth form of the gall was taken but rarely at Ravinia 

 and New Lenox, 111. and at Medina, N. Y. Mr. A. B. Gahan col- 

 lected galls at College Park, Md. and adults began to emerge ]May 

 21, 1914. 



RHODITES FUSIFORMANS Ashmead 



Galls were collected at Evanston and Winnetka, 111., where adults 

 issued May 13-23, 1908, in first week of June in 1909, May 30- 

 June 17, 1912; at West Cliff (the type locality) and Colorado 

 Springs, Colo.; at Flagstaff, Ariz., where adults issued June 2 

 and 11. H. Y. Gouldman collected galls at Mandan, N. Dak. and 

 Paul B. Sears at Lincoln, Nebr. on Rosa 'pratincola. Brodie col- 

 lected galls on Rosa hlanda at Toronto and reared adults June 18-20, 

 1890, and June 24-July T, 1891. 



RHODITES GRACILIS Ashmead 



Galls of this species were collected at Evanston, Wilmette, and 

 Winnetka, 111., and at Kilbourn, Wis. From over- wintering galls 

 collected early in May at Winnetka, adults emerged on May 15, 22, 

 June 6 and 10. Another year living flies were found in breeding 

 cage on June 2. Brodie collected galls on Rosa hlanda at Toronto 

 and reared adults June 23, 1888, July 12, 1892, June 12 to July 1, 

 1894. 



RHODITES IGNOTUS Ostcn Sacken 



The mealy rose gall was taken at Wankegan, 111. (adults emerged 

 in April) ; Miller and Dune Park (began to emerge April 15), Ind. ; 

 AVebster Groves and Ironton, Mo., Troy, Ala.; East Falls Church, 

 Va.; Washington, D. C; College Park (Gahan), Md. (adults 

 emerged April 24); and Shelter Island (Crosby), Queens 

 County, N. Y. 



RHODITES MULTISPINOSUS Gillette 



Galls collected on a wild rose at Fort Sheridan, 111. in April 

 gave adults from April 27 to May 13, 1915. Galls taken at Wilmette 

 on April 13, 1919, contained pupae and adults emerged May 10-18, 

 Galls from Madison, Wis., gave flies May 5, 1919. Brodie collected 

 galls on Rosa hlanda at Toronto and reared adults June 21, 1888, 

 May 5-31, 1890, xVpril 19-25, 1893, and May 19 to June 2, 1904. 

 He received galls also from Neepawa and Portage la Prairie, Mani- 

 toba; Prince Albert, Saskatchewan; and Calgary, Alberta. 



Galls on Rosa rugosa collected at Minneapolis, Minn., in Septem- 

 ber, 1916, contained pupae April 28 and adults issued May 20-30, 

 1917. These flies seem to be the same as Gillette's type. A gall 

 was collected on this cultivated rose at Evanston, Illinois and H. Y. 

 Gouldman took some at Mandan, N. Dak. from which was reared 

 Orthopelma luteolator (Gravenhorst). 



