LARVAL FORMS OF COLEOPTERA 



Plate 71 



A. 



Chelonariidae 

 Dryopidae-Helminae ( K-Z ) 

 Cheloiiariiim sp. : Operculum 



(= lOtli abdominal 

 sternum) with appendices; 

 ap, right appendix dissected 

 loose and turned over. Dor- 

 sal view. 



Rectum and retractile gills. 



Anterior part of head. 



Spiracular trachea and spir- 

 acle. From within the body. 



Spiracle of mesothorax. 



End of ninth abd. segment. 



Left mandible. Ventral view. 



Ventral mouthparts. 



Spiracle of eighth abdominal 

 segment. 



Larva. Lateral view. 



Left mandible. Ventral view. 



Left mandible. Dorsal view. 



Maxilla. 



End of body. Sideview. 



Head. Dorso-lateral view. 



Larva. Lateral view. 

 Spiracle of mesothorax and of 

 the first abdominal segment. 

 Head. Lateral view. 



Leg. 



Larva. 



Larva. 



Dorsal view. 

 Dorsal view. 



Larva. Lateral view. 



Leg. 



Antenna. 



Maxilla. 



Inner face of left mandible. 



228 



