94 



aggregation of galls of various sizes, forming a large excrescence." It has 

 been reported from New York. North Carolina and Ohio. It occurs on 

 Rudbeckia triloba and R. laciniata. Mr. Greene's specimen was on R. 

 laciniata. 



' 'ectdomyia c.\btae Osten Sacken. 

 fJiplosis caryae — 



Osten Sacken, Stettin Eutomol. Zeit. 22. 1861. 



Osten Sacken. Mou. N. A. Dipt. I. 1862. p. 191. 

 Cecidomyia caryae — 



Aldrich. Cat. of N. A. Dipt. 1905. p. 159. 



This gall was originally described by Osten Sacken as follows : "Gall 

 subglobular, smooth, seed-like, 0.05 to 0.1-inch in diameter, with a small 

 nipple at the tip. In summer they are yellowish-green and their shell is 

 soft ; in winter they become brownish, and the shell, although thin, is 

 hard and woody. They begin to grow in June. I gathered them in Octo- 

 ber, when the larva was full, grown." He does not state the species of 

 Hicoria on which be collected his material. Mr. Greene's Indiana ma- 

 terial is from H. alba. 



Cecidomyia cabyaecola Osten Sacken. 

 Cecidomyia caryaecola — 



Osten Sacken, Mou. of the Diptera of N. A. Pt. I. 1862. p. 192. 



Glover M. S. Notes from my Journ. Dipt, plate XI. fig. 24. 



Beutenmiiller, Amer. Mus. Jour. Vol. IV. No. 4. 1904. p. 27. 



Smith. N. L. State Board of Agri. 1899. 



Beutenmiiller, Amer. Mus. Jour. Vol. IV. No. 4, 1904. p. 27. 



Aldrich, Oat. of N. A. Dipt. 1905. p. 162. 



These galls are pale green, elongated, onion-shaped with a pointed 

 tip. Found through the summer in clusters on the under side of the leaves 

 of the hickory. Frequentl3' associated with C. holotricha. This gall has 

 been recorded from New York and New Jersey, and I have collected it 

 near Sandusky, Ohio. It is said to occur on several species of Hicoria. 

 The Ohio and Indiana material were on H. alba. 



Cecidomyia (?) vebnojs^iae Beutenmiiller. 



Cecidomyia (?) vernoniae — 



Beutenmuller. Amer. Mus. Nat. Hist. Vol. XXI 11, Art. XVII, 1907. p. 

 389. 



