18 Cynipidae 



(a) Cell central in gall. 



DryophantapolitaBass. '81,p. 99-100(C2/TO"ps), 9,Q. o6toi7o6a, Pa., N. J., Md. Spring. Beut. 

 Cat. Q. ohtusiloha N. J.; '04 Q. minor N. Y. 



Very globular. 

 Trichoteras coquilletti Ash. '97b, p. 67-68, 9 , Cal. 



Nov.-Dec. Like polita. 



(b) Cell basal, against leaf. 



Dryophanta glabra Gill. '94, p. 237-238, 9 , Q. undulata, Colo.: Cockerell, Q. gambeli, Colo. 4-6 

 mm. 



D. eburnea Baas. 



Dryophanta eburneus Bass. '90, p. 70-71, 9 , Utah. 



Dryophanta similis Bass. '90, p. 71, 9 , Utah. Similar to eburneus. 



D. simillina D. T. ' 



(L) Small, thin-walled, globular galls; usually marginal on the leaf and piercing the 

 lamina. 



Andricus utriculus Bass. '81, p. 78-79 (Cynips), d' 9 , Q. alba, Conn. 



June. Q. alba, Mass. Marginal; may distort the leaf. > 



Neuroterus pallipes Bass. '90, p. 89, cf 9 , Q. alba, Mass. Resembles utriculus. 

 Andricus pruinosus Bass. 'GO, p. 311-312, 9 , Q. obtusiloba Conn. Much like utriculus. 

 Callirhytis pilula Bass. '90, p. 77-78, 9 , Q. undulata Utah. Globular; piercing lamina. 

 Dryophanta porterae Cockerell '00, p. 91-92, 9 , Q. undulata, N. Mex. 



Jan. 30. Depressed; spherical; in row along mid-vein. 

 D. pidchripennis Ashm. 



Andricus rUeyi Ash. '97, p. 121-122, 9 , Q. rubra, Mo. 



July 2. 3 mm. On under side of mid-vein. 

 *Neuroterus saltatorius Edwards '76(?), (Cynips), fly, Q. undulata (?) Riley. White oaks. Mo. 



Small gall; no kernel in centre. 



*(Move to G., p. 15, with which it grades.) 



(ilf) Small galls attached to the leaf-blade, of various structure and peculiar form. 



*Neuroterus verrucarum 0. S. '61, p. 61-62 (Cynips), 9 (?), Q. obtusiloba, D. C. 



Late summer. Disc-like; hairy. 

 Neuroterus umbilicatus Bass. '00, p. 330-331, 9 , Q. bicolor, N. Y.: Beut. Cat. Q. bicolor, N. J.: 

 Beut. '04, Q. platanoides, N. Y. 



Mass. Disc-like, sessile; central pit, plate 4, 306. 

 Andricus foliaformis Gill. '89, p. 214-215, fig. 1, 221, 9 , Q. alba, Mich. 



July 30. Succulent, one cell and lobed; rough. 

 Andricus parmula Bass. '00, p. 312, 9 , Cal. Saucer-shaped discs. 

 Andricus kingi Bass. '00, p. 316, 9 , Q. alba (?), Cal. 



Cone sessile on leaf; hollow with attached cell. 

 *Dryophanta pulchripennis Ash. '97, p. 115-116, 9 , Apr. 



Hemispherical, netted surface; beneath leaf. 

 Dryophanta discus Bass. '00, p. 326, 9 , Cal. Disc-hke; beneath leaf. 



(N) Galls composed apparently of crystalline matter; attached to leaves. 



