CONTENTS 



Introduction 3 



Classification of the Cerambycidae as based upon the larvas 6 



General anatomical characteristics of the Prioninse 8 



Descriptions of larvae of Prioninse 12 



Parandra hrunnea Fab 12 



Mallodon dasystomus Say 14 



Mallodon melanopus L 15 



Stenodontes Serv 15 



Orthosoma hrunneum Forst 15 



Derohrachus sp 16 



Ergates spiculatus Lee 17 



Tragosoma harrisii Lee 17 



Prionus Geoff 18 



Prionus imhricornis L 18 



Prionus laticollis Drury 19 



Prionus californicus Mots 20 



Prionus pocularis Dalm 20 



Prionus sp 20 



Sphenostethus taslei Buq 21 



Elateropsis sp 21 



Explanation of plates 22 



ILLUSTRATIONS 



Page. 



Plate I. Larvae of Cerambycidae 24 



II-IV. Larvae of Prioninae 24 



V. Larvae and pupa of Prioninae 24 



VI. Larvae of Prioninae 24 



VII. Larval work of Prioninae 24 



VIII . Pupation of prionine larvae 24 



9 



