Engel : Lepidoptera of Western Pennsylvania. 69 



2867. Catocala nebulosa Edwards. 

 July 2-August 16. Rare. 



2868. Catocala piatrix Grote. 



August 20-October 20. Common. The larva occurs on walnut. 



2870. Catocala neogama Smith & Abbot. 

 July i2-August 19. Common. 



2871. Catocala subnata Grote. 



Pittsburgh, July 6-August 2 (Engel, Marloff) ; New Brighton, 

 July 9-August 7 (Merrick). 



2872. Catocala cerogama Guenee. 

 July 23-October 8. Common. 



2873. Catocala palaeogama Guenee. 

 July 5-August 6. Common. 

 Var. phalanga Grote. 



Occurs with the typical form. 

 2882. Catocala serene Edwards. 



July i8-August I. Rare. 

 2884. Catocala antinympha Hiibner, 



Pittsburgh, August (Krautwurm, Friday). 

 2887. Catocala habilis Grote. 



August 4-October 10. Common. 

 2892. Catocala polygama Guenee. 



July 10-29. Rare. 

 2894. Catocala amasia Smith & Abbot. 



Pittsburgh, May (Krautwurm) ; New Brighton, July 28 (Merrick). 

 2902. Catocala grynea Cramer. 



July 9-August 13. Common. 

 2907. Catocala arnica Hubner. 



June 28-July 21. Common and variable. 

 2909. Allotria elonympha Hubner. 



May 17-June 23 ; July 3-August 13. Rare but generally distributed. 



291 1. Euparthenos nubilis Hubner. 



May 14-June 23 ; July 3-August 13. Common. 



2912. Hypocala andremona Cramer. 



Pittsburgh, August 4-October 10 (Marloff, Engel, Krautwurm); 

 Allegheny, October (Meyer). Rare at sugar and one specimen taken 

 on flowers of Saponaria. 

 2915. Phoberia atomaria Hiibner. 



April I7-Mayi4. Common in forests. 



