728 Cecidomyiidae 



Janetiella Kleffer 



J. acerifolia Felt. Albany, May 17. 



J. americana Felt. Albany, Jl 17. 



J. breviaria Felt. Albany, May 21. 



J. brevicomis Felt. Nassau, Je 14, on Solidago. 



J. lig^i Felt. Nassau, May 8, reared from larvae in decaying chestnut bark. 



J. nodosa Felt. Albany, Ap 28. 



J. parma Felt. Woodworth's L,, Je 21, Alex. 



J. pini Felt. Albany, May 26, on pine. 



J. sanguinea Felt. Nassau, May 15. 



J. tiliacea Felt. Westfield, May 23, on basswood. 



Oligotrophus Latreille 



O. betulae Winn. An introduced European species reared in 1886 from deformed 

 white-birch catkins collected at Albany, the normal alate seed being trans- 

 formed into a globose gall with rudimentary alae. 



O. inquilinus Felt. Albany, Sep 11, reared from a large terminal rosette gall on 

 Solidago. 



O. salicifoliiis Felt. Karner, Mar-Ap, reared from irregular, yellowish, red-spotted 

 leaf galls on Salix humilis collected in the preceding Sep ; LI : Orient, Sep 

 '22, from a gall, Lath. 



O. vernalis Felt. Karner, May 19, on basswood. 



Rhopalomyia Riibsaamen 



R. abnormis Felt. Huguenot Pk., Jl 14, in a trap lantern. 



R. albipennis Felt. Albany, Aug 9-14, reared from a large terminal rosette gall on 

 Solidago canadensis. 



R. anthophila O.S. Produces a more or less cylindric, densely haired, flower-bud 

 gall which appears to be widely distributed and occasionally locally abundant. 

 Canandaigua, Sep, and Kings Bridge, on Solidago ; LI : Orient, Sep. 



R. apicata Felt. Nassau, Jl 7, in a trap lantern. 



R. arcuata Felt. Albany, Je 4. 



R. asteriflorae Felt. Albany, Sep 25, from stunted, abnormally bunched heads of 

 Aster paniculatiis. 



R. capitata Felt. Produces a conspicuous terminal rosette gall. Moderately common 

 in vie. of Albany. 



R. clarkei Felt. Undoubtedly occurs in the State, though no definite locality can 

 be given. 



R. fusiformis Felt. Produces a rather common, ribbed, fusiform gall about 6 mm. 

 long on the young leaves and flower stems of the narrow-leaved Solidago. 

 Moderately common about Albany. 



R. hirtipes O.S. Appears to be very common and widely distributed. Definite 

 records are : Elizabethtown ; Canandaigua ; Nassau. Sep. Produces a char- 

 acteristic apical bud gall on aerial stems and a variable deformation of root- 

 stock buds. 



R. inquisitor Felt. Produces a gall very similar to that of R. capitata Felt. 



