REPORT OF THE STATE ENTOMOLOGIST I9I7 



33 



APPLE AND THORN SKELETONIZER 

 Hemerophila pariana Clerck 



Another introduced apple insect has become well established in 

 Westchester and Rockland counties, the center of the infestation 



Fig. I Apple and thorn skeleton- 

 izer, characteristic work on partly 

 eaten leaf. (Author's illustration) 



Fig. 2 Apple and thorn skele- 

 tonizer, nearly skeletonized apple 

 leaf showing the somewhat char- 

 acteristic folding over or curling of 

 the edges. (Author's illustration) 



being near Irvington and Nyack, respectively. It is a small European 

 moth which we have termed the apple and thorn skeletonizer. It 

 is classed as one of the apple insects of minor importance in Europe 

 though this may not necessarily prove to be the case in America, 



