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The pest
Aphids suck the sap weakening plants, foliage
may discolour and drop. Aphids produce a
sticky deposit (honeydew) which later goes
black on plants, they also transmit plant
viruses. Three biological control products
are available for aphid control, Ladybird Larvae,Lacewing Larvae and Parsitic Wasps.
Biological Control
Lacewings
Voracious predators which also feed on other
small insect including thrips and the young
caterpillars, these can be used inside or outside at first sign of aphids themselves.
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