134 



NEW YORK STATE MUSEUM 



Marginal leaf rolls, length 3 mm. Fig. 134. Felt 'oge, p. 293 



Itonid. Spiraea leaf roll, Parallelodiplo'sis spirae Felt 



Pyrus (apple, pear) 



Deformed, especially globose, young pears. Felt '13m, p. 97 



Itonid. Pear midge, Contarinia pyrivora Riley 

 Deformed young apples and rudimentary or infertile seeds. Crosby '09, p. 369 

 Hym. Pear seed wasp, Syntomaspis druparum Boh. 

 Irregular, sinuous bark elevations on the trunks and branches of pear trees 



Coleop. Sinuate pear borer, Agrilus sinuatus Oliv. 

 Greenish or brown, blister leaf galls on both pear and apple. Parrott et al. '06, 



p. 291 



Acarid. Pear blister mite, Eriophyes pyri Pgst. 



Fig. 133. Ce- 

 cidomyia sp. 

 Gall on Spiraea. 

 (Original) 



Fig. 134- 



Spiraea leaf 

 roll, P a r a 1 - 

 le 1 odiplosis 

 spirae Felt. 

 (Original) 



An erineum on the under side of the leaves of American crab apple. Chadwick 

 '08, p. 141 



Acarid. Eriophyes sp. 



Bud gall. Felt 'i3h, p. 215 



Cercocarpus parvifolius 



Itonid. Dasyneura cercocarpi Felt 



Aronia nigra (black chokeberry) 



Tiny, specklike capsule leaf galls, brown when matured. Chadwick '08, p. 127 



Acarid. Eriophyes sp. 



Small pouch gall on under side of leaf of A. arbutifolia. PI. 16, 

 fig. 4. Thompson '15, p. 82 



Acarid. Eriophyes sp. 



Amelanchier (June berry) 

 Truncate leaf gall, greenish, tapering, red-lipped, length 5 mm. Fig. 135. Felt 

 'o8e, p. 388 



Itonid. June berry lipped gall, Hormomyia canadensis 



Felt 



