• Pear psylla

  covering shoots, leaves and developing fruits with a sticky black layer. Life cycle and appearance of Pear psylla Adults pear psyllas are 2-3 mm long and orange

• Cutworms

  tunnel into the growing stalk, disrupting the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale grey to

• Chafers

  caused by birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis are 14-18 mm long

• Click beetles

  the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish

• Spotted Wing Drosophila

  g. cherries, plums) being particularly susceptible to infestation. Life cycle and appearance of Spotted wing drosophila Adult spotted-wing drosophila are

• Pepper weevil

  days, this stage is fully complete and it becomes an adult. On average, the cycle takes 21 days.

• Impatiens thrips

  exclusively on the leaves and is often present on weeds in greenhouses. Life cycle and appearance of Impatiens thrips Impatiens thrips (Echinothrips americanus)

• Cabbage leafroller

  hollow it out, causing the shoot or growing point to wilt and die. Life cycle and appearance of Cabbage leafroller An adult female is 12 mm long and is

• Tomato looper

  plants. Infestations on ornamental plants reduce their marketability. Life cycle and appearance of Tomato looper The tomato looper or golden twin-spot moth

• Box tree moth

  residues of moulting such as black head capsules of different sizes. Life cycle and appearance of Box tree moth The female box tree moth ( Cydalima perspectalis