THE AMERICAN MUSEUM JOURNAL 



70. Grape-vine Tube Gall {Cccidomyia viiicola Osten Sacken). — 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 Apple Gall {Cecidomyia 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 divided by a 

 transverse partition. On stems of wild grapes. Common. 



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

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



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