A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them . ndeavours for the purpose of either keepingit within reasonable bounds or stamping it out altogether. 34 DESTRUCTIVE INSECTS OF VICTORIA. PLATE XIX. The Cottony-Cushion Scale (Icerta Purchasi.—Maskell). Fig. 1. Orange branch showing scale in various stages, with larva and perfect insect of Novius cardinalis (or Australian Ladybirdparasite). Slightly enlarged. 2. Rhizobius beetle found attacking scale. Magnified (natural size smaller than Novius cardinalis). 3. Larva of Novms
A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them . ndeavours for the purpose of either keepingit within reasonable bounds or stamping it out altogether. 34 DESTRUCTIVE INSECTS OF VICTORIA. PLATE XIX. The Cottony-Cushion Scale (Icerta Purchasi.—Maskell). Fig. 1. Orange branch showing scale in various stages, with larva and perfect insect of Novius cardinalis (or Australian Ladybirdparasite). Slightly enlarged. 2. Rhizobius beetle found attacking scale. Magnified (natural size smaller than Novius cardinalis). 3. Larva of Novms 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 Ditto ditto. Magnified. 10. Perfect insect of Novius bellus (Blackburn). Very destructive to this scale. Magnified. (Natural size somewhat smallerthan Novius cardinalis.) 11. Perfect insect, Novius cardinalis (Mulsant). CIrencK. Z/irexit Plate XIX. PAA$7U*y. Litfc D 2 36 DESTRUCTIVE INSECTS OE VICTORIA. PLATE XX. The Cottony-Cushion Scale (Icerya Purchasi.—Maskell). Fig. 1. Branch of orange showing young Icerya on leaves. Natural size. 2. Female, upper view. Slightly enlarged. 3. Female, under view, showing eggs. Slightly enlarged. 4. Female, side view. Slightly enlarged. 5 and 6. Young. Magnified (after Maskell). 7. Winged male. Magnified (after Maskell). 8. Antenna of male. Magnified (after Maskell). 9. Antenna of female. Magnified (after Maskell).10. Male. Slightly Magnified (after Maskell).
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