Pests 

  • Aphids

    Aphids are specialised feeders on plant sap. They insert their tubular mouthparts into the transport vessels on plant leaves, stems or roots, and feed on the sap which flows there. Because this sap is rich in sugars but poor in the other nutrients which aphids need, they excrete large amounts of excess sugars as honeydew.

    • Broad Mite and Cyclamen Mite

      These tiny mites can cause immense damage to plants, and yet are difficult to see, and often not present on the leaves that show the damage symptoms.

      • Caterpillars

        The larvae (caterpillars) of various species of moth and butterfly produce plant damage, mainly by feeding on foliage, but also in some cases by burrowing into developing fruit, or into plant stems or roots.

        • Glasshouse Whitefly

          The adult Glasshouse Whitefly holds its wings in a tent-like fashion over the body, hiding the body and giving it a triangular outline. This is in contrast to Bemisia tabaci, adults of which hold the wings alongside the body, revealing the yellow body colour and giving them an elliptical profile.

          • Leaf Hopper

            Leafhoppers are widespread, serious pests of many crops, whether grown under protection or outdoors. Leafhopper damage can lead to substantial crop losses and cosmetic damage to fruiting crops leading to unsalable product.

            • Leafminer

              Adult female leaf-miners produce characteristic feeding marks on leaves, and lay eggs into some of these.

              • Mealy bugs

                Mealy bugs are insects which are covered with a white waxy powder. They feed in groups by puncturing the leaves and sucking out a meal of plant sap.

                • Psyllids

                  There are many different species of Psyllids (Jumping plant lice) as each species is plant specific. They are often found on fruit trees such as apples, pears and apricots.

                  • Red scale

                    Red scale is a common pest found in citrus plantations, these armoured scales are found on wood leaves and fruit. Each female scale can produce nearly 150 crawlers (larvae) which hatch from under the scale at two to three per day.

                    • Sciarids/Fungus Gnats

                      Several species of Sciarid Fly can cause problems, but the most commonly encountered seems to be Bradysia paupera. The related Lycoriella spp are also known as pests in mushroom cultivation.

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