KEY TO AMERICAN INSECT GALLS 



77 



Globose, monothalamous, thin-shelled bud gall, green, turning l)r<)wn or gray, 

 imbedded in short, lanceolate, aborted leaves more or less concealing the 

 gall, diameter 3 mm, onQ. platanoides. Beutm. 'i3f, p. 124 



Cynipid. Andricus flavohirtus Beutm. 

 Globular or elliptical, grayish red, woody bud gall, the apex slightly pointed, 

 length 10 to 14 mm, diameter 6 to 9 mm. Cal. Trotter '11, p. 113 



Cynipid. ? C y n i p s sp. 

 Subglobose, monothalamous, yellowish bud gall, diameter 2 to 3 cm, diameter 

 of cell 6 mm. Max. Trotter '11, p. 127 



Cynipid. ? C y n i p s sp. 



Fig. 72. Oak leaf stalk 

 gall, Andricus petio- 

 1 i c o 1 a Bass. (Original) 



Fig. 73. C e c i d o m y i a sp. Vein 

 oak. (Original) 



Ovate bud gall, the surface with numerous reddish scales, length 10 to 12 mm, 

 diameter 7 to 8 mm. Wash. Trotter '11, p. 113 



Cynipid. Andricus sp. 

 Subglobose lateral bud gall, diameter 8 to 15 mm. Cal. Trotter '11, p. m 



Itonid. C e c i d o m y i a sp. 



Bud gall composed of a basal, oblate part with a height of 3 to 4 mm and a conico- 



pyramidal portion with a height of 10 to 12 mm and a diameter of 8 to 12 mm, 



the larval cell in the basal portion, resembles D. bassetti. Cal. Trotter 



'11, p. 109 



Cynipid. ? Disholcaspis sp. 



