96 NEW YORK STATE MUSEUM 



Globose, yellowish brown twig gall with an uneven, wrinkled surface, internally 

 spongy, the larval cell rounded, diameter 3.5 to 7 cm, on Que re us sp. 

 Fig. Ill, 10, II. Beutm. '09b, p. 64 



Cynipid. Palmer's oak apple, Amphibolips palmeri Bass. 



Fusiform, tapering, the apex usually somewhat curved, yellowish brown twig 



gall, internally spongy, with a hard larval cell, length 3 to 5.5 cm, diameter 



1.5 to 3 cm, on Q. marilandica in May and June. Fig. 92, 4, 5. 



Beutm. '09b, p. 53 



Cynipid. Fusiform oak apple, Amphibolips acuminata 



Ashm. 

 Globose, monothalamous, very thin-shelled leaf and twig gall, internally soft, 

 light, spongy, not unlike A. confluens, form spongifica, diameters 

 3.5 and 3 cm. Beutm. '09b, p. 53 



Cynipid. Amphibolips longicornis Bass. 



Globular leaf gall resembling that of A. confluens, form spongifica, and 



A. c i n e r e a, but the surface is more coarsely reticulated and less glossy 



and the larval cell much darker in color, diameter 2.5 cm, on midrib near 



base of leaf, on Q. ? m i n o r. Fig. 92, 3. Beutm. '09b, p. 52 



Cynipid. Amphibolips carolinensis Bass. 

 Lemon-shaped, monothalamous, green, yellowish and finally brown oak apple, 

 length 10 to 15 mm, diameter 7 to 10 mm, the central cell with a length 4 

 to 4.5 mm, diameter 1.5 to 2 mm. Cal. Trotter '11, p. 114 



Cynipid. C y n i p s sp. 

 Ellipsoidal, woody, greenish oak apple, the base rounded, apically a short, 

 obtuse point, length 17 mm, diameter 10 mm. Cal. Trotter '11, p. no 



Cynipid. Amphibolips sp. 



Globular, grayish brown or black, pubescent, monothalamous, thin-shelled leaf 



gall, the larval cell supported by a loosely fibrous mass, diameter 6 to ir 



mm, on under surface of leaf ofQ. alba, Q. macrocarpa and Q. 



p r i n o i d e s. Fig. 89, 12, 13. Beutm. 'ogd, p. 251 



Cynipid. Philonix niger Gill. 



[2] Size small 

 Globose, monothalamous, light reddish leaf gall filled with spongy tissue, except 

 for the large cell, diameter 6 mm, onQ. rydbergiana. Beutm. 'iid, 



P- 355 



Cynipid. Dryophanta rydbergiana Ckll. 

 Globose, spined, brown, thick-shelled leaf gall, internally slightly spongy, 

 diameter 7.5 mm, on Q. laurifolia. Beutm. '09b, p. 59 



Cynipid. Spiny oak apple, Amphibolips spinosa Ashm. 

 Subspherical or subpyriform, monothalamous oak apple, diameter 4 to 5 cm. 

 Mex. Trotter '11, p. 131 



Cynipid. ? C y n i p s sp. 



' (6) The substance lying between the rind and the kernel is fibrous and often very scanty 



[i] Size large, kernel central, leaf usually aborted 

 Globose, bright green, becoming yellowish brown, slightly nippled, thin-shelled» 

 glossy leaf gall, the central larval cell supported by radiating fibers, diameter 

 25 to 35 mm, on Q. c o c c i n e a , Q. rubra in May and June. Fig. 91, 

 92, 6, 7. Beutm. '09b, p. 54 



Cynipid. Larger empty oak apple, A m p h i b o 1 i p s inanis O. S. 



