106 



PLATE I. 

 THE TERN WEEVIL. 



Syagrius fidvitarsis Pasc. 



Egg (greatly enlarged). 



Section of fern stem showing egg-chamber (greatly en- 

 larged). 



Larva (xlO). 



Head of larva from front, above and beneath^ showing 

 mouthparts (xlO). 



Pupa (xlO). 



Adult weevil (xlO). 



Apical extremity of rostrum of adult weevil showing 

 mouthparts (greatly enlarged). 



Section of fern stem showing gallery of freshly-hatched 

 larva (somewhat enlarged). 



Section of fern stem showing galleries of more advanced 

 larvae, and pupal chamber with exit — 1, larva; p, puj)a; 

 e, exit (somewhat enlarged). 

 Fig. 6a. Portion of the preceding in greater detail (natural size). 



