Amphibolipa ilioifoliae (O.S.). 286. Pig.192. Spindle-shaped, up to }5 by 15 
mm., attached to upper aurface of leaf. June. 
Dryocoamua paluatria (Aahm.). 400. Pig.181. Globular, 10-17 mm.,with a free- 
rolling cell, appearing with the leaves in early spring# 
Dryocoamua cinereae (Aahm.). 59}. Fig.18}. Hemispherical, thin-walled with a 
free-rolling cell, sessile on under side of leaf in May-June. 
Oallirhytis modesta (O.S.). 450. Fig.265. Hard, confluent parenchyma thick- 
enings projecting on both sides of the leaf in June. 
Oallirhytis pigra (Bass.). 468. Fig.257. A fleshy, smooth midrib swelling 
on basal half of leaf in midsummer. 
Oallirhytis bipapillata Weld. 409. Figa.267,517. Isolated parenchyma swellings 
in large numbers,projecting on both sides of leaf in June, type host. 
Gall unknown 
Oallirhytis patiens (Bass.). 460. Taken ovipositing in buds Apr.8-11 in Conn. 
Types have the habitus of a species from pip galls in acorns. 
Oallirhytis parvula (Bass.). 459. Type was taken ovipositing in bud on May 26 
in Conn. Type goes in Oallirhytis Group B. 
Andricus vernus (Bass.). 529* Taken ovipositing in bud on Apr.9 in Conn. 
Quercus imbricaria - Shingle Oak, Laurel Cfek 
"Root" galls 
Flower galla 
Oallirhytis parva Weld. 457. Globular, 1-2-celled, covered with short 
crinkly haira, dropping about the middle of May. Adults were cut out 
June 11 (D.C.). Type host. 
Oallirhytis operator (O.S.) aer.gen. 455a. Fig.58. A woolly white gall on 
staminate flowers. 
Acorn galls 
Oallirhytis operator (O.S.) agamic. 455b. Fig.65. A pip gall beside a 
mature acorn inside the cup, dropping out in Sept. 
Amphibolipa prunus Oresson. 291. Pig.59. A plum gall on side of acorn cup 
in the fall. 
Oallirhytis hopkinsi Weld. 440. Fig. 69 . A pip gall beside young acorns of 
current season, secreting honeydew, broader than high. 
Oallirhytis balanacea Weld. 40}. Pig.64. A pip gall in the fall beside 
small acorns of current season, spherical, up to 6 .} mm. smooth,bare, 
secreting honeydew, dropping in Oct. and turning black. 
Oallirhytis balanosa Weld. 407. Pig.75. In spring on immature acorns of 
previous year, pushing out from within the cup and stunting the acorn, 
not mottled. 
0a-Hirhyti8 fructicola Ashm. 451. A stone gall inside mature acorn in fall. 
Not distinguished from fructuosa Weld in the field. 
Oallirhytis corrugis (Bass.). 4l6. A stone gall inside a mature acorn in 
fall and not distinguished from fr uctuosa Weld in the field. Fig.70. 
Like Fig.72. Seen at Poplar Bluff,Mo. Sept.4. Never reared. 
Bud galls 
Amphibolips globus Weld, sex.gen. 285. Fig.294. Globular,green with a 
waxy bloom, up to 18 mm. in dia., wall 1 mm. thick, from lateral buds 
in June* not deciduous. 
Probably Oallirhytis glomerosa Weld. 4j9« Fig.ll4. Green, smooth, half 
exposed beyond the bud scales, in fall. Never reared. 
Probably Andricus ellipsoidalis (Weld). 5o5« Fig.94. From weak buds on the 
proximal part of previous year's growth. Seen at Joliet,Ill. 
Never reared. 
Like Amphibolips coelebs (O.S.). Fig.251. 20-28 by 6-8 mm.. Old galls 
seen in Va. in Oct. 
57 
