CECID051YIDAE. 7 



salicifoliae 0. Sacken, Proc. Ent. Soc. Phil. VI, 220. -- On Spirea 



salicifolia. Canada. 



salicis-aeniuma Walsh, Proc. Ent. Soc. Phil. III. 608; VI, 227. 

 salicis-coryloides Walsh, 1. c. Ill, 588; VI, 224. (*) 

 salicis-nodulus Walsh, 1. c. Ill, 599. 

 salicis-semen Walsh, 1. e. Ill, 607 ; VI, 226. 

 salicis-rerruca Walsh, 1. c. Ill, 606; VI, 226. 

 salicis-triticoides Walsh, 1. c. Ill, 598; VI, 225. 

 salicis-hordoides Walsh, 1. c. Ill, 599. 



N.B. All these are willow-galls, produced by Cecidotnyiae; the galls stmtn 

 and aenigma Mr. Walsh acknowledges later 1. c. VI, 226 to be produced 

 ly Acarus. 



sang-ninolenta 0. Sacken, Monogr. etc. I, 192. On Carya. 

 serotinae 0. Sacken, Trans. Amer. Entom. Soc. Ill: 346. On Cerasus 



serotina. New York. 



symmetrica 0. Sacken, Mouogr. etc. I, 200. On Quercus. 

 lubicola 0. Sacken, Monogr. etc. I, 192. - On Carya. ( 6 ). 

 tulipiferae 0. Sacken, Monogr. etc. I, 202. On Liriodendron. 

 unibellicola 0. Sacken, Trans. Amer. Ent. Soc 111, 52 and 347. Among 



the umbels of Sambucus racemosa in New York and New-Jersey. 

 umicola 0. Sacken, Canadian Entomol. Nov. 1875. On Urtica gmcilis; 



Trenton Falls N. Y. 



vaccinii 0. Sacken, Monogr. I, 196. On Vaccinium; Distr. Columbia. 

 verrucicola 0. Sacken, Canadian Entomol. Nov. 1875. --On Tilia 



americana, New England. 

 \itis-coryloides Walsh, Proc. Entom. Soc. Phil. Ill, 588; 1. c. VI, 224; 



Amer. Entomol. I, 107, figure 86 (figure of the gall); Riley, 5th 



Report, 116; Packard's Guide, 376, fig. 284. On Vitis cord i folia 



and rip aria. 

 vitis-poinuin Walsh and Riley, Amer. Entomol. I, 106; fig. 85; Riley 



5 th Report, 114, with figure; the latter is reproduced in Packard's 



Guide, 378, f. 283. - - On Vitis corai folia. 

 viticola Sacken, Monogr. I, 202. -- On Vitis. The gall Vitis-lituits 



Riley, Amer. Ent. II, 28, 1. 27; also 1. c. 113; also 5th Report, 



118, is the same as viticola. 



Observation. In the Western Diptera, 192, 1 described galls of 

 Cecidomyiae which I observed on the following plants in California. 

 Juniperus californicus. 

 Lupinus albifrons. 

 Audibertia sp. 

 Garrya fremontii. 

 Artemisia californica. 

 Bacchans pilularis. 



Tritozyg-a. 



Loew, Monographs etc. I, 178; 1862, Tab. I, f. 13. (Wing.) 

 The species is not described; it was from Distr. Columbia. 



