Il8 NEW YORK STATE MUSEUM 



8 Galls of the fruits 

 a Galls of the acorn 

 Inhabiting apparently normal, small acorns or those slightly deformed, on 

 Q. i 1 i c i f o 1 i a. PI. i, fig. 7. Beutm. 'i3e, p. 105 



Cynipid. Andricus perditor Bass. 

 White kernel or larval cell in the meaty portion of acorns, though sometimes 

 outside near its base and hidden by the cup, on scarlet, red and black oak and 

 probably in others of the red oak group. Beutm. 'i3e, p. 102 



Cynipid. Callirhytis fruticola Ashm. 

 Gall similar to that ofC. fruticola probably new, and occurring in the 

 acorns of swamp oak, Q. p 1 a t a n o i d e s, found by L. H. Weld. Beutm. 

 'i3e, p. 102 



Cynipid. PCallirhytis sp. 

 Acorns containing rounded bodies or larval cells, sometimes filling the whole 

 interior and resembling those of C. fruticola, on Q. a g r i f o 1 i a. 

 Beutm. 'i3e, p. 105 



. j Cynipid. Andricus eldoradensis Beutm. 



Acorns containing i to 5 or 6 pseudochestnut-shaped galls, the latter varying in 

 size from that of a flax seed to a length of 8 mm (spring form, C. opera tola 

 Ril. & Bass.) Bassett '00, p. 315 



Cynipid. Andricus operator O. S. 

 Monothalamous acorn galls at the tip of leaf twigs, double, the basal portion 



smaller and telescoped in the upper part, rugose, with a whitish bloom, length 



; , 15 mm, onQ. chrysolepis. FuUaway '11, p. 363 



Cynipid. Callirhytis sanctae-clarae FuUw. 



Bud gall, possibly acorn gall composed of a basal, oblate part with a height of 



3 to 4 mm and a distal conico-pyramidal portion with a height of 10 to 12 mm 



and a diameter of 8 to 12 mm, the larval cell in the basal portion. Trotter 



'11, p. 109 



Cynipid. Disholcaspis sp. 

 Reared from larvae found between the seed coats of an acorn. Felt '156, p. 137 



Itonid. Dasyneura glandis Felt 



6 Galls of the acorn cup (cupule) 

 Globose, bright red acorn-cup gall, the fresh flesh pink, shading to yellow toward 

 the middle, at maturity blood- red, diameter 15 to 25 mm, on Q. rubra, 

 Q. nana, Q. velutina and Q. c o c c i n e a in August and September. 

 Fig. HI, 1-3. Beutm. '09b, p. 62 



Cynipid. Acorn plum gall, A m p h i b o 1 i p s p r li n u s Walsh 

 Globular, smooth, densely corky, acorn-cup gall, internally rusty brown, with a 

 large larval cell, diameter 24 to 42 mm, on Q. m a r i 1 a n d i c a. Fig. in, 

 4, 5. Beutm. '09b, p. 63 



Cynipid. Amphibolips gainesi Bass. 

 Irregular, monothalamous, conical swellings of the cupule, length 5 mm, diameter 

 2 mm, onQ. platanoides, Q. macrocarpa, Q. prinoides 

 and Q. prinus. Beutm. 'i3e, p. 103 



Cynipid. Andricus glandulus Beutm. 



Flattened, toothlike or wedge-shaped galls on the outside of the acorn and 



between the cup and the acorn, the ends usually protruding more or less on 



red, scarlet, black and scrub oak (fall form). PI. 2, fig. 5. Beutm. '136, p. 103 



Cynipid. Andricus operator O. S. 



