32 INSECT-GALLS OF THE VICINITY OF NEW YORK CITY 



70. Grape-vine Tube Gall (Cccidoniyia vuicola Ostcn Sackcn). — Narrow, 

 elongated or conical. Green or bright red. In numbers on upper side of the 

 leaves of wild grapes. July and August. Not common. 



71. Grape-vine Appie Gall (Cccidomyia vitis-pomum Walsh and Riley). — 

 Variable in size and in shape, usually rounded, flattened at the base and pointed 

 at the top. When mature the gall often has eight or nine longitudinal ribs, 

 like a muskmelon. Inside are numerous longitudinal cells each di\-ided b}- a 

 transverse partition. On stems of wild grapes. Common. 



72. Grape-vine Tomato Gall {Lasioptera vitis Osten Sacken). — Consists of 

 a bunch of irregular swellings of various rounded shapes. Soft, juicy and sue- 



