34 DESTRUCTIVE INSECTS OF VICTORIA. 



PLATE XIX. 



THE COTTONY-CUSHION SCALE (!CERYA PURCHASI. MASKELL). 



Fig. 



1. Orange branch showing scale in various stages, with larva and 



perfect insect of Novius cardinalis (or Australian Ladybird 

 parasite). Slightly enlarged. 



2. Rhizobius beetle found attacking scale. Magnified (natural size 



smaller than Novius cardinalis). 



3. Larva of Novius cardinalis. Magnified. 



4. Pupa of above. Magnified. 



5. Perfect insect of above on wing. Slightly enlarged. 



6. Perfect insect of Lestophonus Iceryce, on wing. Magnified. 



7. Ditto ditto resting. Magnified. 



8. Ditto ditto natural size. 



9. Hymenopterous parasite on Icerya. Natural size. 

 9A. Ditto ditto. Magnified. 



10. Perfect insect of Novius bellus (Blackburn). Very destructive 



to this scale. Magnified. (Natural size somewhat smaller 

 than Novius cardinalis.) 



11. Perfect insect, Novius cardinalis (Mulsant). Magnified. 



