DIPTERA. 65 



R. thompsoni Felt, 07-159 and 15-257. 



Mass. — ^Worcester (Thompson). 



An ovoid rootstalk gall on Solidago. R. hirti'pes, Felt, 18-197. 



R. truncata (Felt), 07-160 (Hormomyia truncata Felt, 07-160; 



Rhopalomyia uniformis Felt, 15-244 n. nov. for truncata 1907, 



not 1908). 1 

 Mass. — Boston (J. G. Jack). 



Oligothrophus Latreille. 



O. betulae Winnertz. Birch-seed Midge. 



Mass. — Boston {Cora H. Clarke). Conn. — New Haven. 



Deforms the white-birch catkins, changing the alate seeds to a 

 globose gall (Felt, 15-227 and 18-49). 



Sackenomyia Felt, 08-361. 



S. packardi Felt, 09-290. 



Mass. — Canton, Apr. 15 {Winthrop Packard); Boston, May 19 



{CoraH. Clarke). 



Slightly enlarged twigs on the long-leaved willow, Salix longi- 

 folia (Feit, 15-282 and 18-33). 



S. viburnifolia Felt, 09-290. 



Mass.— Magnolia, Apr. 23-May 8 {Cora H. Clarke). 



Purplish swellings on the lateral veins of Viburnum dentatum 

 (Felt, 15-280). 



Lasiopteryx Westwood. 

 L. coryli (Felt), 07-11. 

 Mass. — Worcester, June {Thompson) . 



Fuzzy wrinkled-fold galls at the base of leaves, Corylus ameri- 

 canus (Felt, 15-193). 



L. crispata Felt, 14-111. 



Mass.— Magnolia, Aug. 22, 1912 {Cora H. Clarke). 



Reared from a yellowish blister-leaf gall on Oakesia sessilifolia. 



Asphondylia Loew. 



A. antennariae (Wheeler). Everlasting-bud Gall. 

 Me. — ^Bar Harbor, Aug. 15. 



Corm-shaped bud-gallon everlasting {Atennaria plantaginifolia) 

 (Felt, 16-133 and 18-204). 



A. conspicua (Osten Sacken). Cone-flower Gall. 



Mass. — Springfield {Stehhins). Conn. — Westfield, Sept. 19 



{Britton) . 



Irregular subglobular apical-bud gall on cone-flower {Rudbeckia 

 laciniata); (Felt, 16-146 and 18-206). 



^ The rules of nomenclature say that when a name is preoccupied the last 

 name should be changed. For R. truncata Felt, 08-365, I therefore propose 

 R.felti. 



