THE TWO-MARKED TREE-HOPPER : ITS SYNONYMY, ETC. 281 



enough for tlie bugs to become active. After pursuing this course for 

 three successive mornings, during which time many fJiousands luere 

 TcilUd, lid had the satisfaction of seeing his frees unmolested, and tlnis 

 saved." 



Encheiiopa biuotata (Say). 

 The Two-Marhed Tree-Hopper. 



(Ord. HEMIPTERA : Subord. HOMOPTERA : Fam. MEMBRACIDiE). 



Membracis hinotata Say : in Long's Expedition to St. Peter's River, 1824, pp. 301, 



302 ; American Entomology (Le Conte edit.), 1869, i, p. 201. 

 Membracis binotata. Harris : Treat. Ins. N. Eng., 1852, p. 195 ; Ins. Inj. Veg., 



1862, p. 224. 

 Enchophyllmn binotatum Fitch : in Fourth Ann. Rept. St. Cab. Nat. Hist., 1851, 



p. 47. 

 EnchopJiyllum binotata. Emmons . Nat. Hist. N.Y.,- AgricuL, v, 1854, pi. 13, f. 17; 



Thelia binotata, Va., p. 156. 

 Enchenopa binotata Fitch : in Trans. N. Y. St. Agricul. Soc. for 1856, xvi, 1856, 



p. 464: Third. Rept. Ins. N. Y., 1859, p. 146. no. 190 (generic criticism). 

 Eiichophyllum binotatum. Wlsh.-Ril. : in Amer, Entomol., i, 1869, p. 248 (food 



plants and habits). 

 Enchenopa {Membracis) binotata. Glover : in Ann. Rept. Commis. Agricul. for 



1876, p. 28, f. 11 (description and habits). 

 Enchophyllum binotatum. Lintner : in Count. Gent., xlv, 1880, p. 711, c. 1, 2 



(egg-covering, food-plant, and remedies). 

 Enchophyllum binotatitm. Riley ; in Amer. Eutoinol., iii, 1880, p. 254 (secretion, 



eggs, etc.) ; in Amer. Nat., xv, 1881, p. 574 (egg-covering). 

 Enchenopa binotata. Saunders: Insects Injurious to Fruits, 1883, p. 242 (on 



grape-vines). 



The Insect Infests a Bitter-sweet. 



In September, a communication was received from Miss A. Goodrich, 

 of Utica, jN". Y., stating that a vine of Celastrus scandens (bitter-sweet) 

 running over her front door, was infested with some enemy that was 

 seriously'injuring it. Specimens of the insect and of the infested vine 

 were inclosed, and my attention was called to a white substance upon 

 the bark, beneath which, it was stated, numerous minute creatures 

 were imbedded. What was the insect, it was asked, and was the white 

 substance a web deposited by it, and could the pest be driven away, 

 or must the vine be destroyed. 



The insect was one of our tree-hoppers, commonly known as " the 

 two-marked tree-hopper " from the two yellow spots upon the ridge of 

 its back, and scientiBcally, as Enchenoim hinotata (Say). 



There are a number of species of these hoppers, possessing the same 

 habit of puncturing the leaves and the tender portions of various vines 

 36 



