Engel : Lepidoptera of Western Pennsylvania. 55 



1996. Orthodes crenulata Butler. 



May lo-June 18 ; August lo-October 2. Common. 



1997. Orthodes cynica Guenee. 



May 20-June 27 ; July 25-August 17. Common. 



1998. Orthodes vecors Guenee. 



May 10-27; August 7-21. Common. 

 2007. Himella intractata Morrison. 



Pittsburgh, April 25 (Marloff); New Brighton, April 30 (Merrick). 

 2009. Crocigrapha normani Grote. 



April ii-May. Common at sugar and at rest under stumps and 

 fence-rails. 

 2012. Graphiphora culea Guenee. 



May ii-June 15. Rare, but local specimens are in all the collec- 

 tions examined. 

 2015. Graphiphora oviduca Guenee. 



Pittsburgh, May 29-June 8 (Marloff, Engel); New Brighton, May 

 18, 1907 (Merrick). 

 2040. Graphiphora alia Guenee. 



March 15-April 30. Common. 



2042. Graphiphora rubrescens Walker. 



New Brighton, April 20-May 2. Two specimens (Merrick). 



2043. Graphiphora subterminata Smith. 



Wilmerding (Zahrobsky). One specimen presented to the Carnegie 

 Museum. 



2044. Graphiphora garmani Grote. 



April 12-29. Rare, but generally distributed in this vicinity. 

 2060. Tricholita signata Walker. 



August 9-28. Occasionally taken at flowers, and very common 

 at light in forests. 

 2078. Xylina disposita Morrison. 



Pittsburgh, October 20-25 (Engel, Marloff, Krautwurm). Three 

 specimens. 



2090. Xylina antennata Walker. 



October 4-January 2 ; March, April. Common. 



2091. Xylina laticinerea Grote. 



Pittsburgh, October i6-January 2 ; March, April (Engel, Marloff, 

 Krautwurm). 



2092. Xylina grotei Riley. 



Pittsburgh, October 19-November 20; April (Engel & Marloff). 

 Rare. 



