KEY TO AMERICAN INSECT GALLS 



167 



Leaf or tendril galls 



Oval, petiole or tendril gall, length 2.5 em, swelling mostly distant from the 

 base. Felt, 'i6d, p. 1.13 



Itonid. Schizomyia petiolicola Felt 

 Reared from similar gall. Fig. 172. Felt 'o8e, p. 328 



Itonid. Asteromyia petiolicola Felt 

 Reared from .similar gall. Felt 'oge, p. 287 



Itonid. Lasioptera riparia Felt 

 Reared from similar gall, swellings mostly basal. Felt' 07a, p. 153 



Itonid. Neolasioptera vitinea Felt 



Fig. 172. Grape Fig. 173. Grape tomato gall, Lasioptera vitis O. S. 

 tendril gall, Aster- (Original) 



omyia petio- 

 licola Felt. (Orig- 

 inal) 



Somewhat cylindrical, reddish petiole galls, length 1.5 to 2.25 cm, diameter 5 

 to 6 mm, two or three larvae huddled together in cells in the pith 



Itonid. Cec id omyia sp. a2684 

 Irregular, tumid, lobulate, greenish or reddish leaf or tendril gall, diameter .5 to 

 1.5 cm. Fig. 173. Osten vSacken '62, p. 201 



Itonid. Grape tomato gall, Lasioptera vitis O. S. 

 Reared from similar gall. Felt 'i5e, p. 134 



Itonid. Dasyneura vitis Felt 

 Reared from similar gall. Felt 'i5e, p. 206 



Itonid. R h i z o m y i a vitis Felt 

 Reared from similar gall. Felt '13m, p. 220 



Itonid. B r a c h y n e u r a vitis Felt 

 Reared from similar gall. Felt 'o8e, p. 392 



Itonid. Janetiella brevicauda Felt 



