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. r u g o s a 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 FeU 



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. R h'o p a'l o'm y i a 

 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. 



'q'^ p. 48 



Dipt. Eurosta bigeloviae Ckll. 



Dipt. Oedaspis atra Lw. 

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



Itonid. Rhopalomyia bigelovioides Felt 



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



Itonid. Cecidomyia brassicoides Town. 



Conclike, probably bud gall. Felt 'iij, p. 455 , . , - . 



Itonid. Dasyneura strobiloides i own. 



Slightly swollen leaflet. Felt '16 



Itonid. Asteromyia chrysothamni l^elt 

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

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



Cynipid. Aylax chrysothamni Beutm. 



