84 



NEW YORK STATE MUSEUM 



A slight circular, blisterlike swelling on the lateral veins, length 3 mm, diameter 



I mm, on Q. rubra. Felt 'i6d, p. 161 HI 



Itonid. Oak vein blister, Cincticornia americana Felt 



Subglobose or fusiform, pale green, yellow margined leaf fold, mostly on under 



surface, length 3 to 7 mm, diameter 3 mm. PI. 9, fig. i. 



Itonid. Cecidomyia sp. aigyg 

 Gall, similar to, if not identical with the above. PL 9, fig. 2. Stebb. '10, p. 17 



Itonid. Cincticornia ma j alls O. S. 



(3) A whole leaf is swollen to form a fleshy, elongated gall 



Very irregular, swollen mass originating from the midvein or the petiole of the 

 leaf and involving the whole structure, green and succulent, later shriveling 

 and drying, size variable, onQ. platanoides. Fig. 55. Beutm. 'loc. 

 p. 119 



Cynipid. Noxious oak gall, Neuroterus noxiosus Bass. 



Fig. 82. Eriophyes 

 sp., showing upper and 

 lower surface of leaf. 

 (Original) 



Fig. 83. Oak wart gall, 

 Andricus futilis Bass, 

 in profile and sectioned. (Origi- 

 nal) 



Subglobose, polythalamous, reddish brown leaf gall, entirely deforming small 

 leaves, diameter 4 to 5 mm.^Cal. Trotter '11, p. 114 



Cynipid. ? C y n i p s sp. 



c Galls involving or attached to the lamina of the leaves 



(i) Little or no thickening of the leaf tissues. See also (2-3), (4-5), (6), (7-8), (9-10), (11), 

 (12), (13), (14), (15-16), (17), (18), on pages 88. 90, 92, 94, 95, 102, 104, 106, 109, no, lis 

 116 respectively. 



(a) Small, blisterlike or pustular swellings of the leaf blade 



Globose, thin-walled, monothalamous leaf galls, single or clustered, showing on 

 both surfaces, diameter 5 mm, on live oak. Fig. 107, 6. Beutm. 'loc, p. 122 



Cynipid. Neuroterus howertoni Bass 



