Aphids (various species)

Aphids are sap sucking insects that can attack almost any plant. Their bodies are 2-5 mm in length and can vary in colour from green, to grey, black and reddish-pink. Juvenile aphids shed their outer skins several times as they grow and these transluscent white skins can be seen on the surface of leaves around aphid colonies. Aphids can reproduce at an alarming rate.

Plants affected by aphid feeding will show reduced growth and sometimes distortion of new growth. Leaf surfaces become covered in sticky honeydew followed by colonisation with sooty moulds, rendering it black. Direct damage by aphids is compounded by the threat of viral diseases transmitted by these insects.

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