THE FEEN WEEVIL, {Syaf/rius ftdvitarsis Pasc.)— 1, t'gg (greatly en- 

 larged) ; la, section of fern stem showing egg-chamber (greatly en- 

 larged). 2, larva; 2a, head of larva from front, above, and beneath, 

 showing mouthparts (xlO). 3, pupa (xlO). 4, adult weevil (xlO) ; 

 4a, b, apical extremity of rostrum showing mouthparts (greatly en- 

 larged), o, section of fern stem showing gallery of freshly-hatched 

 larva (somewhat enlarged). 6, section of fern stem showing galleries 

 of more advanced larvae and pupal chamber with exit; /, larva, p, pupa, 

 e, exit (somewhat enlarged) ; 6a, portion of the preceding in greater 

 detail. 



