Red and white spider (Tetranychus urticae – Polyphagotarsonemus latus) Symptoms: yellow mottling Where: under leaves
Leaf Miner Symptoms: discoloured lines on leaves surface Where: larvae feed inside the leave creating galleries. Fruit trees especially.
Symptoms: white spots on petals and leaves Where: indoor – outdoor plants, flowers and vegetables. Are Sap-sucker
Vine weevil larvae Symptoms: the plant die Where: on the roots
Vine weevil Symptoms: notches in leaves Where: trees, flowers, arbustus
Woolly aphid (Lepidosaphes, Chrysonphalus dictyospermi, Cocus hesperidium, Saisetia oleae), Red woolly aphid of the palm tree (Phoenicococcus marlatti). Viruses can be transmitted by Aphids to plants. Symptoms: white cotton sports where are located the eggs, deformations, decay, dents in leaves and flowers. Where: aphids can affect the aerial parts and – or the trunk or underside of leaves.
Paysandisia archon Symptoms: dents in leaves, deformations, holes Where: palm trees. The butterfly lay eggs in the palm and the larvae growing from the interior eat the stem of the tree.
Rhynchophorus ferrugineus Symptoms: unpleasant odour of rotting vegetation and brown viscous liquid oozing out from wounds on the trunk surface. Frond discolouration, mutilated leaves. Broken frond emerging from the top of the tree’s crown. Where: Phoenix canariensis, Phoenix dactylifera, Chamaerops humilis, Trachycarpus fortunei.
Scyphophorus acupuntactus: Symptoms: The crown and trunk show boreholes with a brown viscous liquid and chewed fibers coming out, leaves turn yellow and wilt. Where: Agave, Aloë, Strelitzia, Yucca and Dracaena.