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Phormium mealybug

By Gardeners' World on 18/10/2011 15:49:02

is not a problem, but in excess the plants will suffer and could even die.Smudges of white, waxy deposits appear at the base of phormium leaves, deposited by sap-feeding insects. The mealybug can cause loss of vigour in the plant and, in extreme cases


Euonymus scale

By Gardeners' World on 18/10/2011 15:06:49

The sap-feeding scale insect Unaspis euonymi is particularly attracted to Euonymus japonica, although it will feast on other evergreen euonymus too. The white males congregate on the leaves, but the brownish-black females live on the bark, making


Thrips

By Gardeners' World on 19/10/2011 12:32:09

These miniscule sap-sucking insects multiply rapidly on leaves. Large colonies are immediately evident, as are the symptoms - silvery-white discoloration of the leaves and distorted shoot tips and buds.Packed clusters of tiny white insects on leaves


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