24 Bulletin 2: Sjpringkield Museum. 



Cynips? crislata, n. s. Oak tufted gall. Fig. 41. 



A polythalarnous gall on the upper side of the leaf, usually on a vein. 

 About 1 mm. in diameter. .Covered with a dense mass of silky hairs 

 about 0.5 mm. long. Red when voting, soon becoming brown. On 

 scarlel oak, Quercus coccinea, and scrub oak, Q. nana. 



Cynips? obovata, a. s. Obovate oak-gall. Fig. 21. 35. 



A deformation of the bud, terminal or near the tip. Obovate, slightly 

 pointed, smooth, with thin shell to which the single larval chamber is 

 attached by radiating fibers. About 12 mm. long, 8 mm. wide. Dull 

 yellow-green becoming light brown, thickly sprinkled with dots of violet- 

 red, these sometimes so running together as to make one side nearly all 

 red. fairly common on scarlet oak, Quercus coccinea. September. 



Cynips f sera, n. s. 



A smooth, fleshy, subglobular gall, on the under side of the leaf, 

 slightly attached to the blade or very small vein. A slight depression at 

 the top. White, with tinge of pink, to deep red of autumn color of the 

 leaf. 2-4 mm. in diameter. Monothalamous. Quite abundant on scarlet 

 oak, Quercus coccinea, in September and October. 



Quercus velutina. 

 Cecidomyia foliqra Russell and Hooker. Seep. 21. 

 Cecidomyia majalis Osten Sacken. See p. 17. 

 Cecidomyia pustuloides Beutennhiller. See. p. 22. 

 Amphibolips confluentus Harris. See p. 18. 

 Amphibolips nubilipennis Harris. Seep. 19. 

 Amphibolips tinctoriae Ashmead. See p. 22. 

 Callirhytis 'punctata Bassett. See p. 20. 

 Callirhytis saccularius Bassett. See p. 23. 

 Holcaspis fasciata Bassett. See p. 21. 



Quercus nana. 



Eriophyes </n' j r<-i Carman. Oak mite gall. Fig. 52. 



Pkytoptus querci Garman, L2th rept. .state cut. 111., L883, p. 138. 



Packard, 5th rept. t". S. ent. cumin., L890, p. 213-214. 

 Eriophyes querci3BX\ is, 37th aim. rept. Ent. soc. Ontario, L906, p. 61. 



This gall appears on the upper surface of the leaf as a circular convex 

 swelling, below it is concave, tilled with pink or brown pubescence: rarely 

 occurs with the upper surface concave, but the pubescence below as in the 

 common form. Of variable size. Described from specimens from Quercus 

 macrocarpa. Found here on white oak. Quercus alba. Chestnut oak, Q. 

 prinus, dwarf chestnut oak, Q. prinoides and scrub oak, V- nand. Rather 

 common. 



