Oak Apples 
174. Amphibolips confluents (Harris). X 1. 280. Spongy Oalc Appie.On Q. velutina . 
Also on g. e_ocoinea, rubra, f alcata , marilandica , texana. Galls at Ithaca, 
N.Y. contained pupae Aug.l and adults Sept.12. Adults emerged Nov.21 
(Conn.) and Brodie reared them at Toronto Nov.10 - all females. 
Amphibolips spongifica (O.S.). 294. Gall similar in sixe and appearance to 
the above on Q. yelutina ,c occinea ,i licifol ia.p alustris , rubra . falcata ■ 
Galls appear with the leaves in spring. Adults of both sexes emerged 
June lb-2 0 (Chi); June 1-15 (DO); June 12,21,29 (Conn.); all out by 
July 1 (Toronto). 1 
175. Amphibolips inanis (O.S.). X 1. 287. On Q. rubra . Empty Oalc Apple. Adults 
emerged June 25 (Ohi); June 19-2? (Va.); June 21 (DC). 
176. Andricus singularis (O.S.). X 1. J26. On Q.rubra. Adults emerged about 
July 10,(DC); June 20 (Mich.). 
177. Andricus femoratus Ashm. X 1. J05. On S.laurifolia. Also on Q.phellos. 
The type was reared in May. 
178. Atrusoa oentricola (O.S.). X 1. 552. On Q. stellata . Adults Nov.27-Dec.8. 
179. Atrusca cava (Weld). X 1. JJl. On Q. breviloba . Pupae had transformed by 
Nov.26 and adults had chewed out of the inner cell in Dec. Normal 
emergence date unknown. 
Xanthoteras politum (Bass.). 245. Q. stellata ,c hapman i,alba (rare). In Fla. 
galls develop in May and adults emerge the last of Feb. and in Mar. 
Galls from Texas gave adults the next spring Apr.25. 
Andricus ostensackenii (O.S.). 519. Ellipsoid,7-8 mm., projecting on both 
sides of leaf, usually single. On Q. coccine a,velutiha. palustris. 
falcata ,i mbricari a. Adults emerged July 8-15 (Chi)j May 27-June 17. 
Never reared. Q.laceyi. Galls similar in size and structure to those of 
Atrusca cava (Weld) (Fig.179). 
Galls with a free-rolling larval cell inside 
180. Callirhytis pedunculata (Bass.). X 5. 46l. On Q. rubra . Also Fig.190 on 
Q. velutina . Adults emerged May 26-June 5 (Conn.); June 5 (Chi). 
181. Dryocosmus palustris (Ashm.). X 1. 400. On Q. velutina . On all the red oaks. 
In Chicago emergence varied from year to year: May 51,1906; June 19, 
1907» May 28,1908; June 12,1909. Kinsey liberated adults on a small 
tree covered with a net in a greenhouse and females oviposited on the 
under side of the leaves. In Sept, galls which he determined as those 
of Z opheroteras compression (Gill.) were found. 
182. Dryocosmus notha (Ashm.). X 1. 599. On Q. coccinea . Also on Q. velutina , 
rubra,palustris, i licifoli a, falcat a, texana . Adults emerged in June 
(Chi). There is a similar gall on Q. myrtifoli a and on Q. marilandic a. 
185. Dryocosmus cinereae (Ashm.). X 5. 595. On Q. rubra. On all the red oaks. 
Adults emerged May 14 (DC); May 27 (Chi). 
Dryocosmus laurifoliae (Ashm.). 598. On Q.l aurlfolia , phellos . Galls 
appear with the leaves in Feb and Mar. and are similar to palustri s. 
Callirhytis quercifoliae (Ashm.). 472. Q. catesbaei . Galls are similar to 
those of p alustris above but are smaller. Rare. 
Ill 
