I XPLANATION OF PLAT!'. XLVII. 



I'SYLLA ISITIS. 

 Fig. i. Eggs laid in groove of a leaf stalk, x 16. 

 Egg a few hours old. \ 64. 

 Egg about a day old. 

 Nymph, first stage. 

 ,, second stage. 



third 

 „ fourth ,, 

 „ fifth 

 Imago, female, x 20. 



. The hind end of the abdomen of male, x 20. 

 . The adult female sitting on a shoot, x 2. 



. The head of a Java-Natal indigo plant showing crumpling of 

 the leaves produced by the feeding of the nymphs, with a 

 nymph sitting just below the head. 



\ (>4 

 \ 64 

 x 50 



^ 45 

 x 30 

 x 20 



