Trisoleniella enigma (Wold). 386. Fig.34. Cluster of up to 150 at base of 
sprouts, pale yellow, 6-7 mm. long, ribbed. 
Callirhytis ovata Weld. 456. Fig.49. Ellipaoldal, sessile, single or in 
groups, 6 mm. high by 5 mm. in dia., colored like normal bark. 
Flower galls 
Callirhytis operator (O.S.) aex.gen. 455a. 
Fig. 58. Woolly, white. 
Acorn galls 
Callirhytis operator (O.S.) agamic. 455b. Fig.65. Pip gall beside acorn. 
f[ UOtuOSa Wela - 4 ? 2 - KS-70. A stone gall beside mature acorn. 
A pi D gall In t h ga - yf Bl Ba38, 285 ' Sean at Boerne.Iex. in Oct. 
A pip gall in the fall on acorns of the current season like Fig. 76 . 
Bud galls 
Cailirhytis glomerosa Weld. 439. Fig.114. Smooth, green or brown (in sun) 
in fall, about 5 mm. in dia., over half projecting beyond bud scales, 
stell/dUeestriatae Weld. 435 . Fig.l07. Spindle-shaped with a long- 
... 1 kfd base, up to 31 mm. long, in late summer from weak lateral buds. 
Like Amp hibolips cookii Gill. 281. Fig.252 but smaller . Found on ground.Oct. 
Stem galls 
Woody stem swellings 
Callirhytis similis (O.S.). 479. Fig.120. Woody, club-shaped when terminal, 
containing one to four cells. 
Callirhytis cornigera (O.S.). 415. Fig.ll 7 . Horned Knot Gall. Abrupt.cuts 
like cheese in May-June, later becoming woody, horns finally protruding. 
Detachable 
Dryocosmus imbrieariae (Asha.). 397. Banded Bullet Gall. Globular, red, 
'-M m., in dia., single or group on twig, dropping in fall. 
Andricus formosus (O.S.). 310. Fig.l4 7 . Fig-shaped, in fluster on twigs in 
spring, dropping when mature in June. 
Callirhytis gemmaria (Ashm.). 436. Figs.155-6. Small, ribbed galls in 
... p a f ound twig in spring, secreting honeydew, dropping later. 
Like Oall i ji hyti s excavata (Ashm.). 428.Figs. 154,282 in habitus but two- 
horned, rugose, not polished. Many had dropped in Oct. Fig. 157 . Texas. 
Leaf galls 
Detachable 
Callirhytis attigua Weld. 402. Fig.231. Globular, smooth, 6-8 mm. in dia., 
attached to petiole, dropping in Oct. 
Amphibolips nubilipennis (Harris). 290. Fig.3 0 9. Like a green grape, almost 
translucent, succulent, up to 21 mm. in dia.,single on under side. 
Zopheroteras guttatum Weld. 364. Fig.248. Spherical, 1.45-2.5 mm. in dia., 
f'.mluTle spots, axngle on under side on a secondary vein in fall. 
Callirhytis lanata (Gill.). 443. Fig.206. Woolly midrib cluster on under 
side of leaf in fall, dropping before the leaves. 
Similar to gall of D r y ocosmu s rileyi (Ashm.). 401.Fig.257. attached singly 
to a main vein in the fall. 
Integral 
Amphibolips confluents (Harris). 280. Fig.174. Spongy Cak Apple. 
Dryocosmus palustris (Ashm.). 400. Fig. 181. Globular, 10-17 mm. with a free- 
rolling cell,appearing with leaves in very early spring. 
Dryocosmus notha (Ashm.). 399. Fig.182. Green, wall thin, with a free-rolling 
cell, tip prolonged into an upturned point. 
Dryocosmus cinereae (Ashm.). 393- Fig.183. Hemispherical, thin-walled with a 
free-rolling cell, sessile on under side of leaf. 
Callirhytis modesta (O.S.). 450. Fig.265. Hard confluent parenchyma thick¬ 
enings, projecting on both sides of the leaf. 
79 
