1 90 



NEW YORK STATE MUSEUM 



Eupatoriiim purpiireiim (Joe-pyeweed) 



Oval, blossom bud gall, length I cm. Felt '156, p. 181 



Itonid. Joe-pyeweed blossom midge, Dasyneura purpurea 



Felt 



Eiipatorium perfoUatum (thorough wort, boneset) 



Reared from florets. Felt 'o8e, p. 391 



Itonid. Boneset blossom midge, Contarinia perfoliata 



Felt 

 Reared from apparently normal florets. Felt 'o7e, p. 6 



Itonid. Clinorhyncha eupatoriflorae Felt 

 Oval, stem gaU, length i to 1.5 cm. Felt '07a, p. 156 



Itonid. Boneset stem midge, Neolasioptera perfoliata 



Felt 

 Reared from apparently the same gall. Felt '13m, p. 221 



Itonid. Brachyneura eupatorii Felt 



Fig. 212. Tar 

 weed blister 

 midge, Aster- 

 o m y ia grin- 

 del i a e Felt. 

 (Original) 



Fig. 213. .Tar 

 weed blossom midge , 

 Rhopalomyia 

 grindeliae Felt. 

 Infested head. (Orig- 

 inal) 



Fig. 214. Black gouty gall, 

 Asteromyia gutier- 

 r e z i a e Felt. (Original) 



Eupatorium urtkaefolium (white snakeroot) 



Globose, flower bud galls, length 6 mm, probably predaceous. PI. 11, fig. i. 

 Felt 'iik, p. 121 



Itonid. Lestodiplosis eupatorii Felt 

 Subglobular stem gall, length 1.5 cm. Felt '07a, p. 154 



Itonid. Neolasioptera eupatorii Felt 

 Green, fleshy, stem gall similar to the preceding. Felt 'iik, p. 546 



Itonid. Asphondylia eupatorii Felt 

 Oval, yellowish leaf mine, diameter 5 to 7 mm. 



Itonid. Cecidomyia sp. 



Mikania (climbing hempweed) 

 Fusiform, internodal stem gall, length i to 2.5 cm, diameter .5 to 1.25 cm. 

 Wells '14, p. 292 



Dipt. ? T r y p e t i d 



