144 NEW YORK STATE MUSEUM 



Rosa (rose) 

 Root galls 



Roundish, reddish brown, variable or frequently tomato-shaped root gall, 

 diameter 35 to 60 mm. Fig. 148, 7-8. Beutm. '07a, p. 648 



Cynipid. Rose root gall, Rhodites radicum O. S. 

 Similar to R. radicum but with the top and sides deeply incised, giving 

 a rosette effect. Fig. 148, 6. Beutm. '07a, p. 649 



Cynipid. Rhodites utahensis Bass. 

 Globose, woody, root nodules, single, clustered or coalescent; diameter of nodules 

 4 to 6 mm, of clusters 10 to 30 mm, on sweetbrier. Fig. 150, 2-4. Beutm . 

 '07a, p. 647 



Cynipid. Rhodites fulgens Gill 



Fig. 147. Spiny rose gall, 

 Rhodites bicolor Harr. 

 (Original) 



Twig galls 

 Irregularly oval, filamentaceous, polythalamous twig galls composed of numerous 

 hard cells, diameter 25 to 50 mm. Fig. 149, 5, 6. Beutm. '07a, p. 633 



Cynipid. Mossy rose gall or rose bedeguar, Rhodites rosae 



Linn. 



Masses of confluent, spherical, unilocular, spined cells or an irregular twig gall 



ranging in size from a walnut to an apple, differing from the preceding by 



the absence of mossy filaments; young galls clothed with short, erect, fine 



spines, later becoming smooth. Beutm. '14, p. 87 



Cynipid. Rhodites mayri Schl. 

 Globose, irregularly rounded, polythalamous, somewhat elongated, green twig 

 swelling covered with numerous aborted leaflets and filaments, giving it a 

 mossy appearance; diameter 20 to 35 mm. Beutm. '14, p. 88 



Cynipid. Rhodites californicus Beutm. 



