Odoiporus longicollis, Ot. 
Hig. 1 is the egg ; 
Fig. 2 the full grown grub (magnified) ; 
Fig. 3 shows a grub in its natural tunnel in an affected piece of the stem ; 
Fig. 4 shows a cocoon in its natural position inside the sheath (magnified) ; 
Fig. 5 shows the cocoon separately (magnified); 
Fig. 6 is the pupa, and 
Fig. 7 the adult weevil. 
Figures in outline show the natural sizes. 
