122 



NEW YORK STATE MUSEUM 



Large, pouch gall, diameter i to 2 cm, on U. f ulva. Chadwick '08, p. 149 



Acarid. E r i o p h y e s sp. 

 Pubescent, pouch gall, diameter 3 to 6 mm, on U. f u 1 v a. Chadwick '08, 

 p. 149 



Acarid. Eriophyes sp. 

 Whitish erineum on the under side of the leaf ofU. racemosa. Chadwick 

 '08, p. 150 



Acarid. Eriophyes sp. 



Celtis (hackberry) 

 "Witch-broom" on branches and twigs. Chadwick '08, p. 130 



Acarid. Eriophyes sp. 



Fig. 117. Hackberry 

 bud gall, P a c h y - 

 psylla gemma 



Riley. Infested twig 

 and one gall in section, 

 the latter enlarged. 

 (Original) 



Fig. 118. Hackberry flask 

 gall, Phytophaga celti- 

 p h y 1 1 i a Felt. Cluster of 

 galls and one in section, the 

 latter enlarged. (Original) 



Hollow, elongate twig swellings, length 1.25 to 2.5 cm. Patton '97, p. 247 



Itonid. Cecidomyia deserta Patt. 



Fusiform bud gall, length 1.5-3 cm, diameter 4-6 mm. Wells '16, p. 258 



Lepidopt. ? Proteoteras aesculana Ril. 



Twig galls resembling seed capsules of Rumex, apically with a spine about 



one-half the length of the gall, the height, excluding the spine, 4.5 mm, the 



diameter approximately the same. Pack. '90, p. 613 



Itonid. Cecidomyia s e m e n r u m i c i s Patt. 



