INSECT-GALLS OF THE VICINITY OF NEW YORK CITY 



40. Oak Flower-Stem Gall {Neiiroterus pallidus Bass.). — Small, unevenly 

 globular, smooth and of a fine, soft cellular consistence. Pale wood color. In 

 masses on flower steins of swamp white oak {Quercus platanoidcs). Not 

 common. 



41. Oak Potato Gall {Neuroterns batatus Fitch). — Generally large and un- 

 even, often resembling a potato in shape. Hard and woody, the surface being 

 coated with a pale bluish bloom. Inside it is dense, corky, with many larval 

 cells. On white oak {Quercus alba) below the terminal shoot. Cominon. 



42. Noxious Oak Gall {Neuroterus noxiosus Bass.). — Irregularly rounded, 

 hard and woody, with many larval cells inside. On the terminal twigs of swamp 

 white oak {Quercus platanoidcs). Cominon. 



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