LARVAL FORMS OF COLEOPTERA 



Plate 13 



Silphidae-Silphinae 



A. Silpha (noveboraeensis Forst. ?) 

 B. 



C. 



D. 



E. 



F. '' " 



G. 



H. 



T I i li 



J. Necrodes littoralis L. (Denmark) 



Prothorax. Ventral view. 

 Labium and hypopharynx. 



Lateral vieAv. 

 Hypopharyngeal structures. 



Dorsal view. 

 Right mandible. Dorsal 



view. 

 Head. Ventral view. 

 Larva. Dorsal view. 

 Left maxilla. Dorsal view. 

 Head. Dorsal view. 

 Tenth abdominal segment. 

 Larva. Lateral view. 



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