LARVAL FORMS OF COLEOPTERA 



Plate 61 



Byrrhidae-ByrrJiinae 



A. Byrrhus fasciatus Forst. (Den- 

 mark ) 



B. 



C. 

 D. 



E. 



F. 



G. 

 H. 

 I. 

 J. 



K. 



Eight mandible; notice the 

 lack of a lacinia mandibu- 

 lae and the presence of a 

 row of hairs exclusively at 

 the base of the mandible. 

 Ventral view. 



Head. Dorsal view. 



Right mandible. Dorsal view. 



Head (partial). Ventral 

 view. 



Innerside of the ventral por- 

 tion of the head ; nc, gan- 

 glion. Dorsal view. 



Portion of head showing epi- 

 pharynx, antenna and the 

 dorsal and ventral articu- 

 lations of the mandible. 



Antenna. Dorsal view. 



Larva. Lateral view. 



Left maxilla. Dorsal view. 



Gula, submentum, mentum, 

 prementum, labial pal- 

 piger, labial palpus, ligula, 

 hypopharynx and other 

 structures. Lateral view. 



Left maxilla; a, maxillary ar- 

 ticulating area. Ventral 

 view. 



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