• Olive scale

  January 1, 1970

  General The olive scale, Saissetia oleae , is a cosmopolitan pest of citrus and olives and occurs widely in tropical regions and in greenhouses throughout [...] surfaces. The honeydew may attract attendant ants and sooty moulds grow on the sugary deposits. Removal of large quantities of sap debilitate the plant and [...] is dark grey or brown to black and has two transverse crests and one median ridge that together form the letter H. On citrus, early stages might be yellow

• Boisduval scale

  January 1, 1970

  this scale tends to prefer the leaf midrib and the portion of the petiole that is covered by the sheath. Small infestations on orchids cause extensive di [...] plants. Damage symptoms The first sign of Boisduval scale is the presence of the scales on upper and lower leaf surfaces, fruits, and stems of plants. On palms [...] circular or oval. The cast skins of the nymph form a light yellow spot near the centre of the scale called the exuvium. Adult females can produce up to 200 eggs

• Large raspberry aphid

  January 1, 1970

  . The cauda is short and triangular. Overwintering eggs of the large raspberry aphid are laid near the base of vegetative canes and hatch in spring. After [...] in spring, the aphids mainly feed on the underside of leaves and start to reproduce parthenogenetically. They are very mobile and drop from the plant when [...] populations that are high enough to reduce yield by direct feeding damage. The major problem is the spreading of various raspberry viruses by the aphids. Life

• Blueberry

  January 1, 1970

  role in blueberry crop protection , addressing the numerous pests and diseases that can impact the health and productivity of these plants. IPM focuses on [...] exposure to harmful chemicals and minimise the negative impact on the environment. Various beneficial organisms can be used for the control of aphids , fruit [...] applied to the growing medium when the plants are being grown under permanent protection, where they will compete with the pathogenic fungi for space and nutrients

• Amblyseius swirskii

  January 1, 1970

  often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour as the eggs, and [...] it is hindered by the glandular hairs on the stems and leaves and does not build up a population. Amblyseius swirskii in bottles The predatory mite Amblyseius [...] available in a bottle ( Swirski-Mite ). Turn and shake the bottle gently before use Push the centre of the cap to open the dosage hole Sprinkle material on leaves

• Strawberry

  January 1, 1970

  role in ensuring the health and productivity of strawberry crops due to the presence of various pests and diseases. Common pests that occur in strawberries [...] spider mites and other pest mites , thrips and whiteflies . These pests can cause significant damage to the plants, leading to reduced yields and compromised [...] powdery mildew and downy mildew. These diseases can weaken the plants, stunt their growth, and cause severe damage to both foliage and fruits, if not properly

• Shore fly

  January 1, 1970

  Shore fly The life cycle of the shore fly ( Scatella tenuicosta ) has the following stages: egg, three larval instars, a pupa and the adult fly. The eggs are [...] cylindrical. The larvae are found in the top layer of damp soil, where they also pupate. The adult shore fly is black, about 4 to 5 mm long, and stout with [...] with short antennae and short legs. The head of the adult has a pair of conspicuous eyes. The wings have grey-brown patches. Although shore flies can occasionally

• Tutasan

  January 1, 1970

  Preparation Place the pheromone dispenser in the green canister and attach it to the upper central part of the trap Fill the trap with water to the level indicated [...] connect the trap to a dripper and make sure the water drips properly into the trap Add a small quantity of vegetable oil or liquid soap to the water A [...] species-specific pheromone which lures the male moths to the trap where they get trapped in the water. Trapping males reduces the amount of eggs laid by females

• Neoseiulus cucumeris

  January 1, 1970

  by the cardboard strip at the top, to avoid damaging the predatory mites The dosage of Thripex -Plus depends on climate, crop and pest density and should [...] deutonymph and adult. Eggs are laid on the underside of leaves on leaf hairs or in the axils of main and side veins. They are oval, white and have a diameter [...] Protonymphs, deutonymphs and adults are very mobile and actively search for food on the underside of leaves. Due to their size and colour they are difficult

• Cactus mealybug

  January 1, 1970

  stop growing and will eventually die. Life cycle and appearance of Cactus mealybug Mealybugs get their name from the fact that the body of the females from [...] roots. and flowers. Depending on the host plant species, infestations with cactus mealybug cause discoloration of the plants and later necrosis of the tissue [...] instar nymphs of the cactus mealybug are yellow-brown and not yet covered with wax. They are actively mobile and known as ‘crawlers’. From the second instar