LAEVAL FORMS OF COLEOPTERA 



Plate 108 



K. 



K.* 



L. 



M. 



Eiimolpidae 



Head. Dorsal view. 



Left mandible. Dorsal, ventral, and 

 tilted for basi-dorsal view. 



Ventral nionthparts. Ventral view. 



Head and protliorax. Lateral view. 



Larva. Lateral view. 



Abdomen. Dorsal view. 



Abdomen. Ventral view. 



Annular spiracle. Longitudinal sec- 

 tion. 



Annular spiracle. Exterior view. 



Anterior portion of head ; distal end of 

 mandible removed to show epi- 

 pharynx, hypopharynx, and maxil- 

 lary mala. 



Diagram of buccal structures ; 1, mem- 

 brane between maxilla and hypo- 

 pharynx; 2, maxillary palpiger; 3, 

 stipes; 4, hypopharynx; 5, premen- 

 tum ; 6. mentum ; 7, body ; 8, labrum ; 

 9, clypeus; 10, place of the removed 

 mandible ; 11, antenna ; 12, epi- 

 cranium. 



Mandible. 



Larva. Lateral view. 



End of abdomen. Ventral view. 



302 



