LAEVAL FOEMS OF COLEOPTEEA 



Plate 93 



Ostomidae-Tenehroidinae, 



Ostomidae-Ostominae (D) 



A. Airora cvlindrica Serv. 



B. Cortieotomus cylindricus Lee. 



C. Airora cyliiidriea 



D. O.stoma ferrugineum L. 



(Canada) 



E. Cortieotomus cylindricus 



F. Airora cylindrica 

 G. 



H. Cortieotomus eylindrieus 

 I. Temnochila vireseens F. 



J. 

 K. 



M. 



N. 



0. Tenebroides nanus Melsli. 



P. 



Left mandible ; without lacinia 

 mandibulae. Dorsal vieAV. 



Right mandible ; Im, lacinia 

 mandibulae. Ventral view. 



Part of head with oeellar group 

 and antenna. Lateral view. 



Larva. Dorso-lateral view. 

 Larva; pst, presternal plate: 



stpl, sternal plate. 

 Larva. Dorso-lateral view. 

 Head and prothorax; pst, pre- 

 sternal plate ; stpl, sternal 



plate ; sp, annular spiracle. 

 Ninth abdominal segment with 



paired urogomphi. 

 Ninth abdominal segment with 



one of the two urogomphi. 



Lateral view. 

 Left mandible. Ventral view. 

 Dorsal (d) and ventral (v) 



sclerites of thoracic segments. 

 Biforous spiracle. 

 Biforous spiracle and closing 



apparatus. 

 Closing apparatus. 

 Ninth abdominal segment with 



one of the two urogomphi. 



Lateral view. 

 Right mandible. Dorsal view. 

 Dorsal (d) and ventral (v) 



sclerites of thoracic segments. 



979 



