82 Annals of the Carnegie Museum. 



2^86. Mesoleuca vasiliata Guenee. 



April lo-May 6. Well distributed, but rare. It occurs in forests, 

 where it may be flushed from the dead leaves. 

 3388. Hydriomena autumnalis Stromeyer. 



Pittsburgh, April i8-May 4 (Engel, Marloff, Friday) ; New Brigh- 

 ton, April 30-May 19 (Merrick); Allegheny (Lippold). 



3401. Hydriomene multiferata Walker. 



May 17-June 9. Rare, but represented in most of the collections. 



3402. Hydriomene latirupta Walker. 



May 19-June 27 ; July i8-September 7. Common. 

 3426. Ccenocalpe gibbicostata Walker. 



September 11-37. Common, but very local. 

 3438. Gypsochroa designata Hufnagel. 



New Brighton, August 11-31 (Merrick); Pittsburgh, June 13 

 (Engel); several specimens without date of capture (Krautwurm). 

 3457. Petrophora ferrugata Clerck. 



May 5-July 2 ; August 2-September 7. Common. 

 3463. Petrophora fluctuata Linnceus. 



May 19-June 5 ; July 26-August 7. Common. 



Subfamily Monocteniin^. 



3468. Haematopis grataria Fabricius. 



May i-June 23; August 2-September 4. Common. 



Subfamily Sterrhin^. 



3469. Erastria amaturaria Walker. 



June i-July 12 ; August 2-September 6. Common. 

 3477. Deptalia insulsaria Guenee. 



July i6-August 15 ; October 16. Common. 



3479. Cosymbia myrtaria Guenee. 



New Brighton, May 8-18, September 2 (Merrick) ; Pittsburgh, 

 May II, September 25 (Engel, Friday). 



3480. Cosymbia lumenaria Hiibner. 



Pittsburgh, May 19 (Engel) ; New Brighton, May 1-22 (Merrick). 

 3487. Synelys enucleata Guenee. 



May 26-June 8 ; August 7-23. Common. 



Var. restrictata Walker. 



Occurs with the typical form. 

 3521. Eois demissaria Hiibner. 



Pittsburgh, August 12, two specimens (Engel). 



