^^20 Cecidomyiidae 



R. salicifolis Felt. Produces a characteristic thickened brownish midrib fold on 



meadowsweet, which is moderately common about Albany and at Nassau; 



Hudson Falls, Sep, on hardback. 

 R. salicis Schrk. A European species which has become established in the vicinity 



of Rochester and is probably to be found in the important centers for the 



growing of European willow. 

 R. sodalitatis Felt. Albany, Ap 13, reared from what appeared to be a typical 



Phytophaga rigidae gall on Salix. 

 R. strobiloides Walsh. Produces the common pine-cone-like gall on willow, which 



appears to be widely distributed throughout the State; Albany; Trudeau, 



Aug 7. 

 R. triticoides Walsh. Appears to be common in vie. of Albany, and is probably 



widely distributed in the State, especially in localities favorable for the growth 



of its food plant, Salix. The gall is an irregular enlargement from 1 to nearly 



3 cm. thick and about 6 mm. in diameter, and is evidently caused by the 



dwarfing of a number of adjacent buds. 



Dasyneura Rondani 



D. aberrata Felt. Albany, May 19. 



D. acerifolia Felt. Albany, May 21, on maple. 



D. albohirta Felt. Albany, May 17. 



D. albovittata Walsh. W. Nyack, reared from the common pine-cone galls of 



Rhabdophaga strobiloides Walsh. 

 D. ampelophila Felt. Albany, Jl 13, on Virginia creeper. 

 D. anemone Felt. Kinderhook and Nassau, Jl 12, reared from a loose bud gall on 



Anemone canadensis. 

 D. antennata Felt. Albany, Je 11, on sugar maple. 



D. apicata Felt. Highland, Sep 7, reared from a deformed terminal growth on ash. 

 D. attenuata Felt. Albany, Je 9. 

 D. augusta Felt. Albany, Aug 6, on oak. 

 D. aurihirta Felt. Albany, Jl 6, on New Jersey tea. 

 D. bidentata Felt. Albany, Je 21, on white oak. 

 D. borealis Felt. L. Clear, Je 7, found in collecting from spruce, 

 D. carbonaria Felt. Albany, Jl 27, reared probably from a loose apical gall on the 



narrow-leaved Solidago. 

 D. caricis Felt. Albany, Je 4, on sedge. 

 D. cirsioni Felt. Albany, Jl 17, on Canada thistle. 

 D. clematidis Felt. Produces an irregular, subglobular, axillary mass 1 cm. in 



diameter, composed of deformed, enlarged, rudimentary leaves or young buds. 



Recorded from Highland, Albany, and Newport. 

 D. communis Felt. Produces thickened vein swellings on soft maple which are 



very common in different parts of the State. Canandaigua, Je, Oct; Goshen, 



Oct, 9, on red maple ; Patterson, Je ; Hudson Falls. 

 D. consobrina Felt. Albany, Je 11, on white pine. 

 D. denticulata Felt. L. Clear, Je 7, on white spruce. 

 D. filicis Felt. Albany, May 17. 

 D. flavescens Felt. Albany, Jl 17, on ash. 



