• Cactus mealybug

  Depending on the host plant species, infestations with cactus mealybug cause discoloration of the plants and later necrosis of the tissue. Plant deformations can [...] succulents around the world as it was probably distributed by the trade in ornamental plants. Damage symptoms The cactus mealybug usually infests stems but can [...] covered with a white waxy material in the form of powder, threads, spiky projections or platelets. Eggs are laid in a sticky, foamy mass of wax threads

• Oleander scale

  and may reduce the photosynthetic area of the plants, leading to lower yield. Damage to fruit occurs in heavy infestations, where spotting and often deformity [...] fruits affects market value. In olives this is seen as green spots on purple fruits. Damage to foliage is particularly important in ornamentals . Heavy infestation [...] shrivelling and plant death. Life cycle and appearance of Oleander scale Adult oleander scales are a greyish, dirty white or yellowy colour, round in shape, with

• Leafhoppers

  pests that feed on plant leaves, causing discoloration, stippling and leaf curling. Their feeding reduces photosynthesis, weakens plant growth and can lead [...] lead to reduced yield and lower crop quality. In addition, leafhoppers can transmit plant pathogens, increasing the risk of disease spread within greenhouse

• Cabbage

  biennial plant with green, white or purple leaves. This plant is usually grown as an annual vegetable crop for consumption. Cabbage heads come in various

• Leek moth

  stalk or the inflorescence of the host plant. Feeding on the leaf tissue by the caterpillars causes a reduction in plant growth; if larvae are numerous, weakening [...] weakening or withering of the plant can occur. On old leaves, open galleries can be seen which decrease the economic value of the plant. Severe damage also occurs [...] leaves or on the flower-stalk of the host plant. The pupa is 7-8 mm long, its colour varies from light yellow in the beginning to brown before adult emergence

• Tomato russet mite

  detected for the first time in Australia and is a pest in tomatoes in all areas where they are grown. Other members of the plant family Solanaceae may be [...] destructor in older publications) belongs to the family Eriophyidae. It does not produce galls but lives freely (vagrant) on tomato plants. Aculops lycopersici [...] turn a rusty brown colour, and in serious cases they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse

• Rapeseed

  belongs to the family of Brassicaceae and is a flowering plant with bright yellow flowers. The plant is also known as rape, oilseed rape, rappi, rapa, rapaseed [...] seeds and nowadays the species is the third-largest provider of vegetable oil in the world.

• Black tea thrips

  fliers and tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females. The [...] Heliothrips haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous [...] polyphagous, and has been recorded from more than 100 plant species. Seriously damaged crops include tea, citrus, avocado, as well as cyclamen and many other

• Caterpillars

  species mine in leaves or bore holes into fruit or stems, making them difficult to detect and control. In addition to consumption of the plant, caterpillars [...] of them feed on nectar. In contrast, the caterpillars have biting and chewing mouthparts and can devour large amounts of plant tissue. Many species cause [...] surface remains undamaged. Young caterpillars are often found in groups, spreading out over the plant as they grow larger. As their size increases, so too does

• Cauliflower

  are all members of the species Brassica oleracea. The cauliflower plant is an annual plant that reproduced by seed. The cauliflower head looks like broccoli