106 Annals of the Carnegie Museum. 



Polychrosis slingerlandana Kearfott. 



New Brighton, August 25, 1905 (Merrick). 

 5007. Bactra furfurana Haworth. 



Pittsburg, June 9 (Engel) ; Ohio Pyle, August 3 ; Jeannette, Sep- 

 tember 8 (Kahl & Klages). Carnegie Museum, Ace No. 2723. 

 5010. Exartema nitidanum Clemens. 



Ohio Pyle, August 4, 1905 (Kahl & Klages). 

 5012. Exartema monetiferanum Riley. 



Pittsburgh, May 29 (Engel) ; May 31 (Marloff) ; New Brighton, 

 June 1-13 (Merrick) ; Coraopolis, July 13. One specimen in the 

 Carnegie Museum. 

 5015. Exartema permundanum Clemens. 



June 9-24 ; July 28-August 23. Common. 



5017. Exartema concinnanum Clemens. 

 June 9-24 ; July 28-August 23. Common. 



. Exartema doxcanum Kearfott. 



June 8 -July 2 1 ; August 4-18. This form occurs with the preceding 

 species and appears to be an obscured variety of it. 



5018. Exartema versicoloranum Clemens. 



Pittsburgh, June 3-July 9 (Engel, Marloff) ; New Brighton, June 

 26-July 3 (Merrick). 



5020. Exartema atrodentanum Fernald. 



Pittsburgh, August 2-4 (Marloff) ; New Brighton, August 19 

 (Merrick). Rare. 



5021. Exartema fasciatanum Clemens. 



June 17-July 4. Common among herbage in woods. 

 . Exartema merrickanum Kearfott. 



June 3-August 13. Generally distributed, but rare and rather 

 variable. 



5023. Exartema exoletum Zeller. 



June ii-July 9; August 1-30. Rare. At light and in sunny 

 places in the woods. 



5024. Exartema inornatanum Clemens. 



July 2-August 12. Common in extensive forests. 



. Exartema nigrilineanum Kearfott. 



Pittsburgh, Coraojjolis, Ohio Pyle, July 13-29 (Kahl & Klages). 



5025. Exartema malanum Fernald. 



Ohio Pyle, July 25, 1905. Carnegie Museum, Ace. No. 2840. 



