Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00000236
11/12/99
CACTUS INSECT PROBLEMS
Mealybugs look like white puffs of cotton. They suck
plant juices and heavy infestations will coat the leaves
with sticky honeydew. Use house plant insect sprays
according to label directions.
Mites are very small and are hard to see without a
magnifying glass. Heavy infestations can cover the leaves
with very fine webbing. The plants gradually lose their
green color and appear dusty or speckled. Use a house
plant insect spray according to label directions.
Scales are usually brown, hard shells attached to the
stems or undersides of the leaves. Sprays are not
effective since the shell protects the insects. Heavily
infested plants should be discarded. Physically removing
the scales and then controlling immature stages with
sprays may control the problem on lightly infested plants.
Related information.
Pesticide Recommendations
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This file was generated from data base ZZ on 01/19/00.
Data base ZZ was last revised on 11/12/99.
For more information about this data base or its contents please contact
heatley@msue.msu.edu . Please read our
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