Engel : Lepidoptera OF Western Pennsylvania. 123 



Gnorimoschema henshawiella Busck. 



Pittsburgh, June y-July i6 ; August 9 (Marloff). 

 — . Gnorimoschema artemisiella Kearfott. 



Pittsburgh, April 12-May 6 (Engel) ; New Brighton, May 6-June 

 14 (Merrick, Engel). 



5636. Gnorimoschema banksiella Busck. 



Pittsburgh, June 7-July 10; July 30-August 9 (Marloff, Engel) ; 

 New Brighton, July 5-27 (Merrick). Rare. In forests. 

 . Gnorimoschema claricella Busck. 



Pittsburgh, September 11-28 (Marloff, Engel). 



5637. Gnorimoschema batanella Busck. 



Pittsburgh, June lo-July 14 (Engel, Marloff) ; New Brighton, 

 July 9 (Merrick). 

 5650. Menesta tortriciformella Clemens. 



Pittsburgh, June 28 (Engel) ; July 6-August 11 (Marloff). 



5653. Strobisia irridipennella Clemens. 

 Pittsburgh, July i-August 4 (Marloff, Kahl, Klages). 



5654. Strobisia emblemella Clemens. 

 Pittsburgh, July i-August i (Engel, Marloff). 



5655. Trichotaphe flavocostella Clemens. 



Pittsburgh, June 26-August 4 (Marloff, Engel) ; New Brighton, 

 June 20-July 29 (Merrick). 

 5659. Trichotaphe alacella Clemens. 



July 1-29. Common in patches of wild aster. 



5661. Trichotaphe nonstrigella Chambers. 



New Brighton, June 14-21, two specimens (Engel) in Merrick 

 Museum. 



5662. Trichotaphe juncidella Clemens. 



June 7-20; July 12-August 26. Common on waste lands where 

 aster grows. 

 . Trichotaphe washingtoniella Busck. 



Pittsburgh, June 13-July 16 ; August 15-24 (Engel, Marloff); New 

 Brighton, July 13-September 3 (Merrick). 

 . Trichotaphe trinotella Busck. 



Pittsburgh, June 3; August 18-24 (Engel); New Brighton, June 

 28, August 18 (Merrick). 

 5667. Trichotaphe chambersella Murtfeldt. 



Pittsburgh, August 18-23 (Engel). Rare. On low herbage in 

 forests. 



