Stem galls 
Woody stem swellings 
Neuroterus quercus-batatue (Fitch)* 250. Fig.125. 
Sex.gen. Green, covered with pale blue bloom, 15 mm. in dia., on new 
growth in June. 
Agamic. Woody, covered with normal brown bark,persisting over winter. 
Callirhytis clavula (O.S.). 4l5» Fig.122. Abrupt swelling at apex of the 
year's growth, bearing several leaves. 
LoxauluB mammula Mayr. 575* Fig.295. Short abrupt swellings at base of 
lateral branches in June. Many-celled. 
Neuroterus consimllis Bass. 210* Fig.118. Leafy,foreshortened, lateral 
branchlet, 12 mm. in dia. by 18 mm. long in midsummer,many-celled. 
Detachable 
Dlsholcaopis quercus-globulua (Fitch). 548. Round Bullet Gall., 8-15 mm. 
in dia., single or in small clusters, in the fall. 
Xanthoteras forticorne (O.S.). 244. Fig.15^* Oak Fig Gall. Dense cluster 
usually on sprouts from stumps, persisting over winter. 
Oallirhytls seminator (Harris), 477* Fig.l59« Oak Seed Gall. Wool Sower. 
Globular,20 mm. in dia., white with pink spots. May. Many-celled. 
Diaholcaspis spongiosa (Karsch). 549* Fig.l48. Globular cluster, 20-50 mm. 
in dia., with a rusty-brown surface. Rare on Quercus a lba . 
Adlerla strobilana (O.S.) 272. Figs.151,152. Terminal cluster of angular 
galls in fall, dropping when mature. Rare on Q uercus al ba. 
Andricus indistinctus Bass. 51^* Small,round,smooth,sessile on small twig. 
Oct. N.Chio. Entered from literature. Types are a Disholcaspis. 
Cells hidden under bark, little or no swelling 
Neuroterus escharensis Weld. 214. Fig.172. Cell under and exit hole just 
above the leaf scar. 
Cells in the pith. Adult chewing out in June (D.O.), 
Leaf galls 
Detachable 
Acraspis erinacel Beut. agamic. 250a. Fig.187* Hedgehog Gall. Ellipsoid, 
to 1J mm. in dia*, tuberculute with red hairs,5-5 celled, in fall. 
Acraspis pozomachoides (O.S.). 257* Fig.186. Globular, 5-8 mm. not hairy, 
two celled, usually single. 
Philonix nigra (Gill.). 265 . Fig.228. Globular,5-8 mm., covered with 
grey felt, on under side Sept.-Oct. Deciduous. Che-celled. 
Xystoteras nigrum (Fitch). 24l. Depressed sphere, 5»5 by 1.8 mm. on under 
side of leaf, with a white bloom.Sept. Va. Fig.207 (aB det.Weld). 
Xystoteras poculum Weld. 242. Figs.2l4—216. Spangle, 5-4.5 ram. in dia. 
with a whitish bloom, on under side leaf in Sept.-Oct. 
Phylloterao rubinum (Gill.). 259. Fig.511* Depressed sphere up to 5.2 mm. 
by 5*1 mm* high, on under side as leaves are turning in the fall. 
Phylloteras sigma Weld. 240. Fig.24l. Flat,seasile,6-7 mm. long, on the 
under side of leaf near the edge in the fall. Rare. 
Zopheroteras cuneatum Weld. 5^5* Fig.255. Coni cal,red,4 mm. long, 
attached at the base of the petiole in the fall. Rare. 
Xanthoteras poll turn (Bass.). 245. A small oak apple, red or brown,o-l8 
mm. in dia., group of 1-20 on upper or lower Bide of leaf in fall. 
Liodora apiarium Weld. 266. Fig.504. Solitary, sessile,4 mm. high, cell 
boaal, on under side close to edge in fall on vigorous shoots six 
or 7 ft. from the ground. 
Andricus capillatus (Weld). 298. Fig.199. Midrib cluster of 2 to 12, each 
about 2 mm., pale yellow, not so hairy as to hide the outline, on the 
under side on lower leaves of strong sprouts from stumps in the fall. 
Sphaeroteras Carolina (Ashm.). 557• Fig.254. Globular, hard,pubescent, 
5 mm. in dia., slightly attached to the petiole in Sept.-Oct. N.Car• 
Neuroterus bassettii D.T. 208. Oval, thin-walled, nearly hidden by 
pubescence, on very young leaves dwarfing and distorting them. Conn. 
Entered from literature. 
^5 
