Quercus bicolor - Swamp WMte Oak 
"Root" galls 
Holocynipa badia (Baas*)* 590* Figa.41,52. Hemispherical, rugose, 12-15 mm* 
in dia., usually'single at base of sprouts the fall* 
Holocynipa maxima (Weld). 591* Fig.44* Rounded, many-celled mass up to 50 
by 95 mm. growing out of the side of one of the big roots in fall* 
Callirhytis ellipsoida Weld* 422. Fig*57* Single or in small clusters on 
the rootlets just below surface of the ground in the fall. 
Flower galls 
Neuroterus pallidus Bass* 227* Smooth, globular, tan, thin-walled in a 
compact cluster at or near the end of a staminate axis* Conn* 
Entered from literature* 
Acorn galls 
Callirhytis lapillula Weld. 444* Fig*71* Separate cells in a group inside 
a mature lop-sided acorn in the fall* 
Andricus incertus Bass. J12, Figs.77#79* Gall 6.6 by 4 mm., with a nipple 
at apex formed in a depression in side of cup surrounded by a fringe. 
Single cell in cup at base of a lop-sided acorn in the fall. Fig*67* 
Bud galls 
Acraspis gemula (Bass.)* 251* Fig.108* Black, 2.5 by 1.25 mm*, at apex of 
new growth in spring. 
Neuroterus vesicula (Bass.). 258* Fig*82. Almost globular, reddish-brown 
and mottled, bare, 2-4 mm. in dia., fleshy, thin-walled, in early spr* 
Andricus flavohirtus Beut* J06 • Fig.100* Globular, smooth,surrounded by 
green bracts which persist and enlarge after the gall drops in June 
and become the "frondosa" of old literature* 
Andricus pisiformis Beut* 525* Figs*85-88* Globular, J-6 mm*, white and 
mottled, outer wall fleshy, inner hard and brittle. Early spring. 
Andricus deciduatus Weld* 5^5* Fig*92* Almost globular, 4 mm* in dia*, 
developed usually from a weak lateral bud, in September. 
Stem galls 
Woody stem swellings 
Neuroterus noxiosus (Bass*) agamic* 226b* Fig*121* Woody, covered with 
normal brown bark, persisting over winter* 
Neuroterus distortus Bass. 212. Fig*125* An enlargement on one side of the 
new growth causing the branch to bend abruptly. Several-celled* 
Detachable 
Disholcaspis mamma (Oresson)* 5^5* Fig.155* Pointed Bullet Gall* Green to 
reddish, darker at apex, covered with very short pubescence, in fall. 
Disholcaspis bassetti (Gill.). 557* Fig.l6o* Conical,sessile,clasping at 
the base, single or in small numbers, in fall* 
Adleria strobilana (O.S.). 272. Figs.151,152. Terminal cluster of angular 
galls, dropping when mature in the fall* 
Cells hidden uhder bark- no noticeable swelling of twig 
Neuroterus escharensis Weld. 214. Fig*172. Cell under and exit hole just 
above the leaf scar. Usually near terminal cluster of buds in spring. 
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