LARVAL FORMS OF COLEOPTERA 



A. 

 B. 



C. 

 D. 

 E. 



F. 



G. 

 H. 



Plate 84 (Drawn by •). A. Hyslop) 



Elateridae-Piirophorinae 

 Heniirhipiis fascicularis F. 



Pyrophoriis himinosiis Illig. 



K. 

 L. 



M. 



X. Chaleolepidiiis viridipilis Say 



0. 

 P. 



Q. 



R. 



S. 



Head. Lateral view. 



Antenna and mandible. Exte- 

 rior view. 



Left mandible. Ventral view. 



Head. Ventral view. 



Eiylith, ninth and tenth ab- 

 dominal seg^'ments ; lik. hook 

 on tenth segment. 



Seventh abdominal segment. 

 Ventral view. 



Larva. Dorsal view. 



Mesothoracic spiracle. Lat- 

 eral view. 



Section of spiracle, showing 

 opening, atrium and en- 

 trance to airtubes. 



Mesothoracic spiracle; dia- 

 grammatic. Lateral view. 



Spiracle. Exterior view. 



Section of airtnbes. 



Spiracle. View from inside of 

 body. 



Ventral mouthparts ; cardo 

 concealed. Ventral view. 



Frons with nasale. 



Left mandible. Dorsal view. 



Head ; mandible removed. Lat- 

 eral view. 



Ninth abdominal segment. 



Ninth and tenth abdominal 

 segments ; asp, asperites on 

 each side of tenth abdomi- 

 nal segment ; hk, pair of 

 hooks at the end of tenth 

 abdominal segment. 



254 



