Engel : Lepidoptera of Western Pennsylvania. 51 



1393a. Var. brunneipennis Grote. 



Pittsburgh, September 10 (Marloff). 

 1397. Rhynchagrotis alternata Grote. 



July 6-September 22. Common. At sugar and light. 

 141 5. Adelphagrotis prasina Fabricius. 



Pittsburgh, July 6 (Krautwurm) ; New Brighton, July 31 (Mer- 

 rick) ; Jeanette, June (Klages) ; Wilmerding, two specimens (Zah- 

 robsky). 

 1422. Eueretagrotis sigmoides Guenee. 



New Brighton, June 26-July 11; August 3-17 (Merrick); Pitts- 

 burgh, July 28 (Krautwurm). 

 1428. Semiophora tenebrifera Walker. 



Pittsburgh, April 19-29 (Engel, Marloff) ; Jeanette, April 16 

 (Klages); Coraopolis (Knechtel). Rare. At light and occasionally 

 at sap of sugar maple. 

 145 1. Agrotis badinodis Grote. 



August 6-October 20. Common. At light and sugar. 



1454. Agrotis ypsilon Rottemburg. 



May 4-July 10 ; October 7-November 29. Common. 



1455. Agrotis geniculata Grote & Robinson. 



New Brighton, August 19-September 11 (Merrick); Pittsburgh, Oc- 

 tober 2 (Engel & Krautwurm) ; Swissvale, September 3 (Knechtel). 



1467. Peridroma margaritosa Haworth. 

 October 3-29. Common and very variable. 



1468. Peridroma incivis Guenee. 



Pittsburgh, June 17 ; August 12-October 20 (Marloff, Krautwurm); 

 New Brighton, July 8 (Merrick). 



1475. Noctua smithi Snellen. 

 August 15-September 20. Common. 



1476. Noctua normaniana Grote. 

 August 17-September 7. Common. 



1478. Noctua bicarnea Guenee. 



June 5-27; August 14-September i. Common. 

 1 48 1. Noctua c-nigrum Linnaeus. 



May 30-June 12 ; August 7-September 25. Common. 



1489. Noctua fennica Tauscher. 



Pittsburgh, August 1 2-September 1 1 ( Marloff ). Rare. At sugar. 



1490. Noctua plecta Linnseus. 



May 13-June 27 ; July 20-September 9. Common. 



