Engel : Lepidoptera of Western Pennsylvania. 97 



4418. Pyrausta fissalis Grote. 



New Brighton, July 15-28 (Merrick); Pittsburgh, July 9-17 

 (Engel). 



4419. Pyrausta aeglealis Walker. 



New Brighton, July 10-26 (Merrick); Pittsburgh, June ii-July 

 23; August 24 (Engel). 



4420. Pyrausta thestealis Walker. 

 New Brighton, June 25— July 29 (Merrick). 



4423. Pyrausta oxydalis Guenee. 



July 2-August 10. Common. 

 4426. Pyrausta orphisalis Walker. 



New Brighton, July 12, 1905, one specimen (Merrick). 



4436. Pyrausta fumalis Guenee. 

 August 4-27. Rare at light and among low herbage in the woods. 



4437. Pyrausta illibalis HUbner. 



April 23-May 6. Common at rest on the trees in extensive forests. 

 4439. Pyrausta penitalis Grote. 

 May 14-July 30. Common. 



4441. Pyrausta futilalis Lederer. 



Pittsburgh, June 14-28; September 2 (Engel, Marloff); New 

 Brighton, June 21-July i ; August 19-September 22 (Merrick). 

 Scarce. 



4442. Pyrausta fumoferalis Hulst. 



New Brighton, July 16, 1907, one specimen (Merrick). 



4443. Pyrausta unifascialis Packard. 



New Brighton, June 3-18, 1907 (Merrick, Engel). 



4450. Pyrausta acrionalis Walker. 



May 13-June 22 ; July 2-August 23. Common in waste land. 



4451. Pyrausta rubricalis Hubner. 



Var.?, Pittsburgh, May 2-June 23; August 12-26 (Engel, Mar- 

 loff); New Brighton, June 2 (Merrick); Dr. Dyar determined this 

 form as rubricalis var. It is nearest to acrionalis. 



4454. Pyrausta insequalis Guenee. 



Pittsburgh, April 29-May 14; July 2 (Engel). Rare. Flying in 

 waste lands. 

 . Pyrausta ochosalis Dyar. 



Pittsburgh, May 3-July 5 ; August 24 (Engel, Marloff). Common 

 in peppermint patches in moist places. 



4455. Pyrausta generosa Grote & Robinson. 

 June 12-23; July 15-August 16. Rare. 



