218 Annals of the Carnegie Museum. 



305. P. gleditschiae Osborn and Ball. 



Patton, July 19, 1903. On willows. Reported to occur on 

 the honey-locust. 



306. P. reversalis Osborn and Ball. 



Greensburg, July 5. On the narrow-leaved willow. 



Genus IDIOCERUS Lewis. 



307. I. maculipennis Fitch. 



Greensburg, August to September ; Portage, August. On haw- 

 thorn and crab-apple. 



308. I. provancheri VanDuzee. 



Portage, Greensburg, Pittsburgh. July to the middle of Au- 

 gust. On hawthorn. 



309. I. crataegi VanDuzee. 



Portage; Greensburg, August 15. On hawthorn. 



310. I. alternatus Fitch. 



Greensburg, on willows. 



311. I. duzei Provancher. 



Patton, June 1903 ; Greensburg, August. On willows. It is 

 also said to be found on poplars. 

 313. I. lachrymalis Fitch. 



Penn Station, August 8, 1904. On poplars. 



313. I. nervatus VanDuzee. 



Greensburg, June. On willows. 



Genus AGALLIA Curtis. 



314. A. quadripunctata Provancher. 



Patton, June. Reported as occurring on various plants in 

 shady and moist places. 



315. A. constricta VanDuzee. 



Greensburg; Patton, July 15. Taken in fields and on lawns, 

 often associated with the preceding species. 



316. A. novella Say. 



Patton, Greensburg, June and July ; Butchers Run, Allegheny 

 City, October 28. Often found with the preceding species. 



317. A. sanguinolenta Provancher. 



Patton, Greensburg, May, July and August. In pasture- fields 

 on grass. 



