PLATE II. 

 Dendroctonus piceaperda Hopk. n. sp. 



1, Adult, dorsal view. 



2, Adult, lateral view: a, Prothorax, anterior view; b, tip of elytron, showing 



arrangements of stria 1 , and interspaces ; 9 , last abdominal segment of female, 

 dorsal view; $ , last abdominal segment of male. 



3, Pupa: a, Profile of head and prothorax. 



4, Larva: a, Dorsal plates on last abdominal segment: b, foot scars (?) on ventral 



surface of thoracic segments; c, profile of ventral thoracic lobe showing loot 

 scar (?). 

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