46 NEW YORK STATE MUSEUM 



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Gall medium, walls fleshy, quite flat above, usually with a more or less distinct 

 median depression, prominent and conical beneath, not constricted at the 

 base, the nipple distinct, surrounded by short bracts, diameter 2.5 mm, height 

 3 to 4 mm. Perg. '04, p. 232 



Aphid. Phylloxera symmetrica Perg. 

 Gall large, walls fleshy, more or less irregular, convex above, more prominent 

 and conical beneath, splitting at maturity into several ven,^ long bracts, 

 diameter 5 to 10 mm, height 3 to 8 mm. Perg. '04, p. 235 



Aphid. Phylloxera notabilis Perg. 

 Gall large, walls fleshy, globular, projecting about equally on both leaf surfaces, 

 nipple short, with four to five short, stout pubescent bracts surrounding the 

 orifice, curving outwards when old, size variable. Perg. '04, p. 236 



Aphid. Phylloxera globosa Shim. 

 Gall large, walls fleshy, pedunculate and more or less elongated, suspended from 

 the under surface by a slender petiole, quite sticky when fresh, splitting at 

 the apex into several long filaments. Perg. '04, p. 238 



Aphid. Phylloxera caryaegummqsa Ril. 



Globose leaf galls (other than those described above) smooth or nearly so 



Nearly smooth, thin-walled, yellowish green or brown, sparsely haired, usually 

 with a slight nipple, diameter 2 mm. PL 6, fig. 7. Felt 'oge, p. 293 



Itonid. Hickory leaf gall, Caryomyia caryae O. S. 

 Reared from the same gall, probably inquiline. Osten Sacken '62, p. 191 



Itonid. Cecidomyia caryae O. S. 

 Thin- walled, depressed, yellowish green or brown, diameter 2 to 2.5 mm. PI. 6, 

 fig. 9. Felt 'oge, p. 292 



Itonid. Caryomyia consobrina Felt 

 Thin-walled, probably similar to the above. Felt 'o8e, p. 338 



Itonid. Caryomyia arcuaria Felt 

 Thin-walled, without the nipple of Caryomyia caryae, with a yellowish 

 pubescence, diameter 2 to 4 mm. Felt 'o9e, p. 292 



Itonid. Caryomyia similis Felt 

 Thin-walled, globose, slightly depressed, with a slight nipple, diameter 3 to 4 mm. 



Itonid. Cecidomyia sp. 

 Thick- walled, yellowish green or brown, diameter 4 to 5 mm. PI. 6, fig. i. 

 Felt 'o9e, p. 292 



Itonid. Caryomyia antennata Felt 

 Thick-walled, irregularly ovate, granulate, a slight nipple, diameter 2 to 3 mm. 



Itonid. Cecidomyia sp. 

 Thin-walled, with a false chamber at the apex, diameter 2 to 3 mm. Felt '096, 

 p. 292 



Itonid. Caryomyia inanis Felt ^ 



Globose leaf galls — • hairy 



Thick-walled, brownish or reddish brown, hairs rather short, curly, diameter 

 6 to 7 mm. Beutm. '07, p. 393 



Itonid. Hickory peach gall, Caryomia persicoides Beutm. 



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* Wells 'is has characterized several variations in hickory galls having a false apical chamber , 

 They may prove specifically distinct. 



