FOREST PROTECTION 



105 





Damage to Ulmus spp. by Hemiptera 







Genus 



Species 



Parts 



Suffering 



Literary References 



Family 



St. Mus. Mem. 

 No. 8 



n.y. 





Aphididae 



Coccidae 



Callipterus 



Schizoneura 



Colopha 



Chionaspis 



Goasypana 



ulmifohi Monell--. 

 am&ricana Riley- _ 

 ulmicola Fitch. 



am&ncana Joims._ 

 spuria Mod 



Leaves 



Bole & Twigs 

 Bole & Twigs 



176 

 177 

 186 



207 

 203 





Damage to Liriodendron spp. by Hemiptera 





Genus 



Species 



Xj&.xvJ?S 



Suffering 



Literary References 



Family 



Geol. Rept. 



for 1899 



N.J. 



St. Mus. Mem. 

 No. 8 



N.Y. 







JSuleeanium 



tuhpiferw Cook 



Twigs 



1210 



208 





l As Lecanium. 



