OAK GALL-FLIES. 115 



Cynips suttonii Bass. 



Received September 21 , 1882, from William Sutton, San Francisco, three very large 

 galls belonging to above species, found on twigs of Q. lobata. Several of the gall- 

 flies issued November 8, 1882, and another one January 2, 1883. Chalcidians issued 

 from January 2 to 13, 1883. 



Cynips q.-floccicoJa Riley. 

 Producing a fuzzy gall on underside of leaves of swamp oak. 



C q.-decidua Bass. 



Received November 10, ISf.i, from G. W. Lettermanu, Allenton, Mo., apparently 

 the same or a very similar gall to C. q. flocci, on twig of white oak. The insects were, 

 however, iu the larva state July 8, 1874. Nothing was bred. 



A lot of galls, which also resemble those of flocci, were received February 14, 1879, 

 from E. A. Schwarz, Jackson, Miss., but a fly which had issued on the way appears 

 to be identical with C. q. decidua. Some of the galls contained Chalcidian larvae. 



C. q.-flocci W. 



Found galls on white oak September 27, 1870, at St. Louis, Mo. Found apparently 

 the same galls also on black oak, burr oak and red oak. 

 C. lano', Fitch is perhaps synonymous. 

 Eassett has another gall with totally ditiereut kernel. 

 I have insects and the gall of his ^occi. 

 Flies from galls on post oak issued January 20, 1^,72. 



Cynips q.-prunus Walsh. 



One gall of the above species was received June 11, 1882, from D. S. Sheldon, 

 Griswold College, Davenport, Iowa, and some dry galls from J. G. Barlow, Cadet, 

 Mo., March 18, 1883. 



Cynips q.-tuMcola O. S. 



Galls of this insect were received December 31, 1878, from W. B. Flippier, of Tell- 

 ville, Ark. They were found on the leaves of post oak. Others galls were also 

 received from Dr. J. W. Sparkman, Plantersville, S. C. The flies issued during the 

 mouths of January and February, 1879. There also issued quite a number of a 

 greenish-black chalcid fly. Prof. W. S. Barnard also collected the gall at Atlanta, 

 Ga., in November, 1880, from which the cynipids and a chalcid which is very likely 

 identical with those referred to above, issued during January and February, 1881. 



Cynips caducus W. (?) 



Round galls in clusters on the midrib on underside of leaf of Quercus undulafa, of 

 the size of a very small pea. Collected October 10, 1874, and examined December 16, 

 1876, when one cynipid was found. This gall looks much like 159^. October 1, 1880, 

 received the same gall from J. Schenck, of Mt. Carmel, Ills., found on Q. muhlembergii. 

 The larv£e were only just hatching; gall tasteless, a pale circle around the larva. 

 It is evidently caducus W. 



Cynips q.-spongifica O. S. 



May 19, 1870. Galls are found to contain pupie at this date. Flies issued May 31. 



