October, '11] FELT: GALL MIDGE HOSTS 469 



Subconic, truncate, greenisli yellow, lipped gall, diameter, 2 mm. 



Hormomyia verruca Walsh. 

 Apparently reared from same gall Clinorhyncha fiUcis Felt. 



Bud Galls- 

 Spongy or clustered rosette gall Phytophaga walshii Felt^ 



Small, rosette gall, length, 2 cm Rhahdophaga racemi Felt> 



Oval, small, rosette gall resembling a small R. hrassicoides gall. 



Rhahdophaga normaniana Felt. 



Large, loose, rosette gall, length, 1 to 2 cm Rhahdophaga rhodoides Walsh. 



Large, open, rosette or cabbage gall, diameter, 1 to 2 cm. 



Rhahdophaga hrassicoides Walsh, 



Reared from above gall Dasyneura orhitalis Walsh. 



Reared from above gall Lesiodiplosis septemmaculata Walsh. 



Reared from above gall Rhopalomyia frater Ckll. 



Pine cone gall, length, 2 to 2.5 cm Rhahdophaga slrohiloides Walsh. 



Reared from above gall Dasyneura annulipes Walsh. 



Reared from above gall Dasynexira airicornis Walsh. 



Reared from abo^'e gall Cecidomyia atrocularis Walsh. 



Reared from above gall Dasyneura alhoviUata Walsh. 



Reared from above gall Lesiodiplosis decemmaculala Walsh. 



Pine cone gall resembUng a slender R. strobiloides gall . .Rhahdophaga persimilis Felt. 



Ovate, terminal bud gall, diameter, 1 cm Rhahdophaga gnaphaloides Walsh. 



Small bud gall Dasyneura calif ornica Felt. 



Small bud gall Rhahdophaga gemma Felt. 



Reared from apparently normal bud Rhahdophaga lalehrosa Felt. 



Small, conic, apical bud gall Dastjneura gemma' Felt. 



Twig Galls 



Reared from willow twigs, gall undescribed Asphondylia salictaria Felt. 



Larva? in subcortical cells, no swelling Dasyneura corticis Felt. 



Slender twigs, slightly enlarged Sackenomyia packardi Felt. 



Slender twigs, slightly enlarged Sackenomijia portera; Ckll. 



Slender twigs, slightly enlarged Phytophaga caulicola Felt. 



Slender twigs, slightly enlarged Rhahdophaga caulicola Felt. 



Twigs probably hardly enlarged Phytophaga perocculta Ckll. 



Slender twigs, slightly enlarged Phytophaga americana Felt. 



Twigs uniformly enlarged, gall 5 to 7 cm. long Rhahdophaga podagrce Felt. 



Gall similar to above, cells in wood Rhahdophaga cornuta Walsh. 



Twigs irregularly enlarged, galls 1 to 3 cm. long Rhahdophaga salids Schr. 



Twigs irregularly enlarged, gall, 1 to 3 cm. long, buds dwarfed. 



Rhahdophaga trilicoides Walsh. 



Apical, fusiform, beaked gall, length, 2 cm Phytophaga rigidce O. S. 



Reared from similar gall Rhahdophaga sodalitatis Felt. 



Nodular gall at base of twig, length, 8 mm Rhahdophaga nodulosa Walsh. 



Inconspicuous knot or twig enlargements Phytophaga latipeiwis Felt. 



Subglobular, lateral gall with dead area on one side, diameter, 9 mm. 



Rhahdophaga globosa Felt. 



Irregular, ovoid or subglobular galls, diameter, 1 to 2 cm. 



Rhahdophaga halatas Walsh. 



Same gall as above Rhahdophaga ramuscula Felt. 



Same gall dried Asynapta saliciperda Felt. 



Subglobose galls, the surface scarred, diameter, 4 mm. . . Phytophaga twnidosae Felt. 



