201 



3*^)5 C. punctifrons, Fall. 



One example taken with the last. 



366. C. punctifrons, var americana, Van I). 



Abundant on low willows, June to Aug. (Can. Ent. XXIII, 

 p. 169.) 



GNATHODUS, Fieb. 



367. G punctatus, Thumbg. 



Common throughout the season but more abundant in earl 

 spring on the fresh green grass of damp meadows. 



Subfa I nil} ' Typhlocybina . 



GENUS ALEBRA, Fieb. 

 3f)S. A. aurea, Walsh. 



Lancaster, June to August. Rare. 



GENUS EMPOASCA, Walsh. 

 3''>0. E. albopicta, Forbes. 



Lancaster; Abundant on weeds in fence-rows in 



May 1886; taken also in Aug. and Sept. on Apple and other 

 trees. 



GENUS KYBOS, Fieb. 



370. K. smaragdula, Fall. 



This european species occurred in great numbers on weeping 

 birch at "The Front" in this city from June to Sept. 1889. 



GENUS TYPHLOCYBA, Germ. 



371. T.vitis, Harris. 



Lancaster, May, not common. 



372. T. vitifex, Fitch. 



Common everywhere on grape vines, from May to .Sept. ; 

 also taken hibernating under bark, in April. 



373. T. comes, Saj-. 



Rare. 



374. T. affinis, Fitch. 



Lancaster, Aug. 10, iSSd, on wild grape. 



37?. T. obliqua, .Say. 



Not uncommon on wild grape vines from May to Sept. 



376. T. tricincta, Fitch. 



Lancaster, Rare; taken from under bark in January 1iy Mr. 

 W. J. Palmer, Jr. 



377. T. vulnerata, Fitch. 



Lancaster, Aug. Also taken in April hibernating under the 

 bark of hickoiy trees. 



378. T. trifasciata, Say. 



Lancaster &c. June and July, rather rare. 



