Engel : Lepidoptera of Western Pennsylvania. 53 



1 7 1 1 . Paragrotis tessellata Harris. 



New Brighton, July 12, 1903 (Merrick) ; Pittsburgh (Krautwurm, 

 Marloff). 

 1753. Any tus privatus Walker. 



New Brighton, September 18, 1907 (Engel). In Merrick Museum 

 collection. 

 1781. Mamestra meditata Grote. 



August 27-September 20. Common. 

 1783. Mamestra detracta Walker. 



May i8-June 30. Common. 

 1785. Mamestra distincta Hlibner. 



April 2i-May 18. Common. At rest on the trees in extensive 

 forests. 

 1796. Mamestra subjuncta Grote & Robinson. 



May 25-June 13; July 23-August 12. Common. 



1800. Mamestra grandis Boisduval. 



May 30-June 15. Local captures of this handsome species are in 

 most of the collections, but it is rare. 



1 80 1. Mamestra trifolii Rottemburg. 



New Brighton, May 1 7-September 29 (Merrick). 

 1803. Mamestra rosea Harvey. 



May i6-July i ; August 17-22. Rare. 

 1805. Mamestra congermana Morrison. 



New Brighton, May 30-June 13 (Merrick) ; Pittsburgh, June 28 

 (Engel). In Engel collection, Carnegie Museum. 



This form was determined by Prof. Smith for Mr. Merrick. In 

 the writer's opinion it is not congermana. The three specimens seen 

 are constant, smaller in expanse and of a much deeper color than in 

 the last-named species. 

 1807. Mamestra picta Harris. 



May 2-June 8; August 12-28. Common. The larva feeds 

 promiscuously on low vegetation. 

 1810. Mamestra latex Guenee. 



May i8-June 25. Common. 

 1812. Mamestra adjuncta Boisduval. 



May 6-June 2 ; July 19-August 22. Common. The larva is 

 abundant on the white snake-root and feeds on other herbaceous plants. 

 1822. Mamestra legitima Grote. 



June 20-August 7. Rare, but well distributed. 



