TWENTY-FIRST REPORT OF STATE ENTOMOLOGIST 



21 



ELM 



Common Name 



Scientific Name 



Elm borer Saperda sp. 



Elm leaf aphis (C. type) Schfizoneura americana Riley 



Elm leaf aphis (R. type) Schizoneura lanigp.ra Hausmann 



a tt it a it it tt tt 



Vagabond poplar gall Mordwilkoja vagabunda Walsh 



Cottony maple scale 



Soft scale 



Aspen borer 



Scale insect 

 Poplar mite 



Poplar leaf- 

 folding sawfly 



Tortoise beetles 



Glover's silkworm 



Vagabond poplar gall 



Ants 

 tt 



Aspen tree borer 

 tt it n 



Fall cankerworm 

 Poplar leaf- 

 folding sawfly 



Leaf-miner beetle 



MAPLE 



Pidvinaria vitis Linn. 

 tt a tt 



tt tt tt 



i 'occus hesperidum Linn. 



POPLARS 



Saperda calcarata Say 

 tt tt tt 



a tt tt 



Sp. undetermined 

 Sp. undetermined 



Pontania bozemani Cooley 

 Sp. undetermined 



SHADE TREES 



sain la gloveri Strecker 

 « << << 



Mordicillcoja vagabunda Walsh 



Formicidae 

 tt 



Saperda calcarata Say 



AlaopTiila pometaria Harris 



Pontania bozemani Cooley 

 Zuegophora scutellaris Suff. 



Plains 

 Hamilton 

 Hamilton 

 Hamilton 



June 16 

 June 21 

 June 22 

 June 22 



