198 



NEW YORK STATE MUSEUM 



Fusiform, subterranean, bud gall, length 2 to 3 cm. PI. 4, fig. 5. 

 Thomp. '15, p. 55 



Dipt. Eutreta sparsa Wied. 

 Ovate potato-like root gall, monothalamous, length 20 to 25 mm, diameter 

 10 to 12 mm. Daecke '10, p. 341 



On S. rugosa Dipt. Eurosta comma Wied. 

 On S. j u n c e a Dipt. Eurosta elsa Daecke. 



Bigelovia graveolens (rayless goldenrod) 



Swollen or enlarged leaf buds composed of short, ovate, aborted, glumelike 

 leaflets without a distinct central cell, length 5 to 6 mm, diameter 3 mm 

 Fig. 222. Felt 'i6f, p. 178 



Itonid. Asphondylia chrysothamni Felt 



void, hypertrophied, monothalamous leaf buds, green or somewhat purplish 



externally with short, recurved, aborted leaflets covered with a thick, gray 



pubescence, length 10 to 11 mm, diameter 7 to 8 mm, two or three frequently 



confluent. Fig. 224. Felt 'i6f, p. 186 



Itonid. Rhopalomyia utahensis Felt- 



Fig. 225- Rho- 

 palomyia big- 

 el ovio id e s Felt. 

 Infested stem. 



(Original) 



Fig. 226. Rho- 

 palomyia glu- 

 t i n o s a Felt. 



Two infested twigs. 

 (Original) 



Fig. 227. Rhopalomyia 

 chrysothamni Felt- Two in- 

 fested twigs and one gall in section, 

 enlarged. (Original) 



Ovate, woolly, lateral bud gall, length i cm, diameter 7 cm. Fig. 223. Town. 



'93, p. 48 



Dipt. Eurosta bigeloviae Ckll. 



Dipt. Oedaspis atra Lw. 



Oval, seed gall or an irregular, globose lateral bud swelling. Fig. 225. Felt 



'151, p. 265 



Itonid. Rhopalomyia bigelovioides Felt 



A small, budlike gall. Felt 'iij, p. 455 



Itonid. Cecidomyia brassicoides Town. 



Conelike, probably bud gall. Felt 'iij, p. 455 



Itonid. Dasyneura strobiloides Town. 



Slightly swollen leaflet. Felt '16 



Itonid. Asteromyia chrysothamni Felt 

 Globose or globe-shaped, polythalamous terminal twig enlargement, length 

 1 5 to 30 mm, diameter 12 to 20 mm. Fig. 235, 9. Beutm. 'loa, p. 143 



Cynipid. Aylax chrysothamni Beutm. 



