16 Cynipidae 



> 



(d) Spines long, hair-like. ^ 



Acraspis villosus Gill. '89, p. 218, 221, fig., 9 ,Q. 7nacrocarpa, Mich. Late Oct. Beach '95, Iowa. 

 On mid-vein. 



Philonix. 



(I) Solid galls attached to leaf with a central harder kernel or larval cell. These 

 approach the oak-apple galls in structure. 



Acraspis lanaeglobuli Ash. '87, p. 139, 9 , Q- bicolor, Fla. 

 Philonix. 



Acraspis gillettei Bass. '00, p. 323-324, 9 , Q. alba, Conn. 

 Philonix niger Gill. 



Andricus virens Ash. '81, p. IX-X (Cynips), 9 , Q- virens, Fla.; =0. S. '61, p. 57-58, No. 2. 



Feb. Substance of gall pithy. 

 *Acraspis niger Gill. '90, p. 23-24, 9 , Q. alba, Mich., Iowa. 



Sept., Oct. Almost a fibrous oak-apple. 

 Philonix. 



(J) Oak-apple galls: i. e. galls with a central hard kernel or larval cell, a firm (often 

 hard) rind and a spongy or fibrous intervening substance. 



(a) Intervening substance is spongy. 



1. Size large. (The leaf is usually aborted and the gall appears to be attached directly 



to the twig.) — 



Amphibolips confiuentus Harr. '41, p. 397-398 (Cynips), fly, Red-oaks. Spring. Oct., 9, Q- 

 rubra, D. C. June. =C. q. aciculata O. S. '61, p. 56-57, 9, Q. rubra. 111. Oct. 

 (0. S. '65, p. 354, all fuse); = C. q. coccinem, 0. S. '62, p. 243-244, 9 , Q. coccinea 

 D. C., June 25; =C. q. spongifica, O. S. '62, p. 244-245, cf 9 , Q. tincioria, D. C, 

 June 15. : Walsh '64 and '69, Q. tincioria, Q. rubra, 111. (1) June, (2) Sept. : Cook '05, 

 p. 822, Q. rubra, Q. tincioria, Q. coccinea, Q. nigra, Ind. : Bass. '63, Q. tincioria, Conn.: 

 Beut. Cat., Q. rubra, Q. tincioria, Q. coccinea, Q. nigra, N. Y. (1) June, (2) Oct. or 

 spring: Provancher, Red oak, Canada: Harvard Coll., Q. tincioria, Mass.: Gill. '89, 

 Q. coccinea, Q. rubra, Iowa, Mich. Q. palustris, Q. rubra, Q. coccinea, R. I., Mass., 

 plate 2, 68. 

 Amphibolips palmeri Bass. '90, p. 86-87, 9 , Max. 



2 3-4 in. diam., globular. 

 Amphibolips acuminata Ash. '97, p. 126, 9 , Q. nigra, D. C, Md. 



June 24. 2x1 in., spongy. 

 Amphibolips longicornis Bass. '00, p. 321-322 (0. S. '61, p. 69) & , Tex. 



Ovoid. 

 Amphibolips caroliniensis Bass. '90, p. 85-86, 9 , Q. obiusiloba\1) , N. C. 

 Globular, wrinkled. 



2. Size small. 



Dryophanta rydbergiana Cockerell '03, p. 217, 9 , Q- rydbergiana, N. Mex. On leaf, 6 mm. 



Spherical. 

 Amphibolips spinosa Ash. '87, p. 141, 9 , Q. laurifolia, Fla. 

 Jan. Globular, prickly. 



