94 



aggregation of galls oC various sizes, forming a large excresceuce."' It has 

 been reported from New York, North t'arolina and Ohio. It occurs on 

 Rudheckia triloba and R. laciniatd. ^Ir. Greene's specimen was on R. 

 laciniata. 



('ec'idomyia ('ABY.VE Osteu Sacken. 

 Diplosis canjae — 



Osten Sacken, Stettin Entomol. Zeit. 22. 1S61. 



Osten Sacken, Mon. N. A. Dipt. I. 1S62. p. 191. 

 Cecidomyia caryae — 



Aldrich, Cat. of N. A. Dipt. 1905. p. 1.".'.). 



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

 subglobular, smooth, seed-like, 0.05 to 0.1-iuch 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 larvn was full grown." He does not state the species of 

 Uicoria on which be collected his material. Mr. (Jreene's Indiana ma- 

 terial is from H. alba. 



Cecidomyia cary'aecola Osten Sacken. 

 Cecidomyia caryaecola — 



Osten Sacken, Mon. of the Diptera of N. A. Vt. I. 18()2. p. 192. 



Glover M. S. Notes from my Journ. Dipt, plate XI. tig. 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. Frequently associated with C holotricha. This gall has 

 been I'ecorded 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 (?) vernoniae Beutenmiiller. 

 Cecidomyia ( ?) vernoniae — 



Beutenmiiller. Amer. Mus. Nat. Hist. \o\. Will. Ail. XVil, 1907. i>. 

 389. 



