Engel : Lepidoptera of Western Pennsylvania. 49 



1242. Hadena nigrior Smith. 



Pittsburgh, June 13, 15 (Engel) ; New Brighton, June 6-24 (Mer- 

 rick). Rare. A figure of this species appears in the Moth Book, 

 Plate XIX, fig. 42. Dr. Dyar determined it as sectilis Guenee. 



1243. Hadena cariosa Guenee. 



Pittsburgh, June 6-21 ; August 7 (Marloff, Engel, Krautwurm) ; 

 New Brighton, June 13-July 10 (Merrick). Rare. A boldly marked 

 specimen in the Merrick collection was determined as nigrior by Prof. 

 Smith, but it is a fine specimen of cariosa. 

 1250. Hadena lignicolor Guenee. 



June i2-July 8 ; August 14-23. Common at sugar and at rest 

 under stumps, loose boards, and fence-rails. 

 1278. Hyppa xylinoides Guenee. 



May 6-June 8 ; August ii-September 12. Common, 

 1282. Feralia jocosa Guenee. 



Pittsburgh, March 2-29 (Krautwurm, Engel) ; New Brighton, 

 March 15-April 9 (Merrick, Engel). Rare. Under hemlock trees. 

 1288. Euplexia lucipara Linnaeus. 



April 27-May 30 ; July 19-27. Common. At light and sugar. 



1290. Dipterygia scabriuscula Linnaeus. 



May lo-June 10; July lo-September 2. Common. 



1291. Actinotia ramosula Guenee. 



April 14-May 20 ; July 6-September 6. Common. 

 1295. Pyrophila pyramidoides Guenee. 



July 19-28 ; August 27-October 29. Common. The larva feeds 

 on various deciduous plants [and on rhododendron, to which it is very 

 destructive, as I have found to my grief, Editot-\ . 

 1297. Heliotropha reniformis Grote, 



Pittsburgh, August 17 (Krautwurm). 



1299. Prodenia commelinae Smith & Abbot. 



Pittsburgh, October i8-November 27 (Engel, Marloff, Krautwurm); 

 Allegheny (Meyer). 



1300. Prodenia ornithogalli Guenee. 



August 7-November I. Quite common in some years at sugar [and 

 after dark on flowers of Compositge, Editor'] . 



Var. eudiopta Guenee. 



Occurs with the typical form. 

 1302. Laphygma frugiperda Smith & Abbot. 



August 20-October 28. The typical form, as well as the varieties, 

 occurs at sugar and is quite common in some years. 



