Engel : Lepidoptera OF Western Pennsylvania. 125 



5720. Gelechia bimaculella Chambers. 



Pittsburgh, June 6 (Marloff); June 20 (Engel). 

 . Gelechia fluvialella Busck. 



Pittsburgh, June 26-July 6 (Marloff, Engel). 

 5744. Gelechia discoocellella Chambers. 



June 12-27 ; August 25-October 24. Rare. At light. 

 5750. Gelechia albisparsella Chambers (?). 



June 20-July I. Rare, but generally distributed. Mr. Busck de- 

 termined this species as probably albisparsella. It is the largest species 

 of the genus taken about Pittsburgh. 



5755. Gelechia bicostomaculella Chambers. 

 New Brighton, June 30-July 18 (Merrick). Rare. 



5756. Gelechia nigrimaculella Busck. 

 July i-October 3. Common on hard-wood timber. 



5757. Gelechia maculimarginella Chambers. 

 Pittsburgh, July 6 (Engel). 



5758. Gelechia biminimaculella Chambers. 

 New Brighton, July 29-September 28 (Merrick). Rare. 



5759. Gelechia pseudoacaciella Chambers. 

 May 8-31. Common on locust. 



5761. Gelechia vernella Murtfeldt. 



New Brighton, July 31-August 28 (Merrick). Rare. 



5764. Gelechia mediofuscella Clemens. Maya-June i. Common. 

 . Gelechia fondella Busck. 



Pittsburgh, June 5-July 12 (Engel) ; New Brighton, June 20 (Mer- 

 rick). Rare. 

 . Gelechia pseudofondella Busck. 



New Brighton, June 26-July 7. Rare. Taken at light in dense 

 forests (Merrick). 



5765. Gelechia walsinghami Dietz. 



Pittsburgh, June 9-July i (Engel, Marloff) ; New Brighton, June 

 26-July 23 (Merrick). Rare. At light and at rest on saplings in 

 thickets. 

 5768. Gelechia conclusella Walker. 



June i2-July 14. Common. 

 5824. Gelechia punctiferella Clemens. 



New Brighton, July 17, 1904 (Merrick). One worn specimen de- 

 termined by Mr. Busck. 



