Pests

Get expert help from the RHS to deal with pests and other problems

vine weevil

Vine weevil

Keep a watchful eye for signs of vine weevil beetles nibbling the edges of leaves and their grubs who will be munching on roots below the surface.

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  • ©RHS SCN0003239

    Pear blister mite

    Pear trees sometime develop distinctive raised pink or yellowish green blotches which usually turn black on their leaves during the spring and summer. This is a sign of a pear blister mite infestation.

  • Pear midge damage

    Pear midge

    Pears can be attacked by a number of pests and diseases. Particularly frustrating can be the pear midge which can devastate a promising looking harvest early in the season.

  • ©RHS SCN0006100

    Pear-bedstraw aphid

    Pear-bedstraw aphid can cause leaf discolouration and distortion on pear trees in spring.

  • © RHS SCN0002670

    Phormium mealybug

    Phormium mealybug unlike glasshouse mealybugs only affects New Zealand flax and can survive out of doors throughout the year.

  • Pieris lacebug

    Pieris lacebug

    Pieris lacebug originates from Japan and was first detected in Britain in a garden near Windsor in 1998. Since then it has become widespread in England, where it can cause serious damage to the foliage of Pieris and some rhododendrons. It is sometimes called the andromeda lacebug.

  • Wood pigeon on lawn

    Pigeons

    Wood pigeons can be the most serious bird pest in gardens and allotments. They peck at leaves, tearing them, often just leaving the stalks and larger leaf veins behind. Pigeons will attack many plants, lilac, brassicas and peas are particularly susceptible.

  • © RHS SCN0004059

    Pine sawflies

    The caterpillar-like larvae of two species of sawfly can occasionally cause considerable defoliation of pine trees. 

  • ©RHS SCN0006075

    Pittosporum sucker

    Pittosporum sucker is a sap sucking insect that can spoil the appearance of pittosporum by causing discoloration and distortion of leaves.

  • Plum aphids

    Plum aphids

    Two aphid species can cause problems on plums, damsons, greengages and sloe. These are the plum leaf-curling aphid and mealy plum aphid.

  • Plum moth

    Plum moth

    It is never pleasant to bite into a ripe juicy plum only to find it has a maggot (caterpillar) feeding inside.

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