Amphibolips murata Weld. 289. Fig.115. A smooth tan bud gall, 8-12 mm. in dia. 
in fall with spongy tissue about the larvetl cell. 
Amphibolips citriformis Ashm. 278. Fig.250. Spindle-shaped, thin-walled, 
22 by 12 mm. A gall of early spring. 
Amphibolips sp. Like Am phibolip s co elebs (O.S.). Fig.251. 20 by 6 mm. 
Amphibolips sp. Spindle-shaped, 15-20 mm. long, green, in Oct. 
Green, smooth, 4-6 mm. in dia., in fall,not secreting honeydew. 
Stem galls 
Woody 8tern swellings 
Callirhyti3 clavigera (Ashm.). 412. Fig.116. A horned knot gall but the horns 
do not drop out. Type host. 
Oallirhytis medullae (Ashm.). 448. Fig.1^4. Gradual swelling on one side of 
twig in spring. I have never reared it. 
Oallirhytis phellos (Ashm.). 467* Fig.124. Club-shaped at end of new shoots 
in spring with radiating fibers about the larval cell, 5-5 mm. in dia. 
Eumayria longipennis (Ashm.). 584. Fig.^00* Woody enlargement at base of 
lateral branches or on new shoots, 8-lo mm. long by 5*5-4 mm. in dia. 
Types reared in May. Type host. Entered from literature. 
Detachable 
Oallirhytis ventricosa (O.S.). 485. Figs.144-5. Conical, short-pubescent, 
sessile, bursting out thru bark. Green when young, dropping later. 
Oallirhytis gemmaria (Ashm.). 4^6. Figs.155-6. Small ribbed galls in clusters 
surrounding twigs in early spring,secreting honeydew, dropping later. 
Andricus formosus (O.S.). 510* Fig*l47. Fig-shaped galls in cluster on twig 
in spring, dropping when mature in June (D.C.). 
Oallirhytis difficilis (Ashm.). 420. Fig.159* Small, rugose,grayish, bursting 
out thru bark, dropping when mature in Oct. 
Dryocosraus imbricariae (Ashm.). 597* Banded Bullet Gall. Globular, 7-10 mm., 
red, single or group on twigs, dropping when mature in fall. 
Leaf galls 
Detachable 
Amphibolips racemaria Ashm*, 292. Like a green grape on under side of leaf in 
April, 7-8 mm. in dia. Adults (all males) emerged in May. 
Andricus femoratus Ashm. 505. Fig.177* A small oak apple, 7*5 mm. in dia., 
in spring. Type host* 
Dryocosmus rileyi (Ashm.). 401. Fig.257* Globular, brown, 5 mm.in dia., on a 
main vein usually on under side of leaf, in fall. 
Oallirhytis furva Weld. 455* Fig.212. Small cluster of globular galls, 5“^ mm. 
in dia., each covered with short,straight brown hairs, on upper side. 
Oallirhytis infuscata (Ashm.). 44l. Globular, fleshy, densely covered with 
yellowish wool, single or cluster on midrib on upper side in fall, 
dropping when mature, then the wool coming away clean. 
Integral 
Oallirhytis rugosa (Ashm.). 474. Figs.262-5. Hard lenticular blister on under 
side, usually two-celled, the leaf concave above • 
Oallirhytis confusa (Ashm.). 4l4. Small,ellipsoid, greenish-yellow, on a main 
vein on under side, with a free-rolling cell. Exit hole on upper side. 
Adults emerged the last of April. Type host. Entered from literature. 
Dryocosmus laurifoliae (Ashm.). 598. Green,globular,hoilow,projecting equally 
on both sides of the leaf, 5-6 mm. long, sometimes three on the newly 
formed leaf, containing a free-rolling cell. Adults in March. Type host. 
Entered from literature. 
60 
