• Chafers

  smaller; about 13-15 mm long and reddish-brown in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During [...] General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious [...] the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary damage

• Cactus mealybug

  discoloration of the plants and later necrosis of the tissue. Plant deformations can also occur. Heavily infested plants stop growing and will eventually [...] eventually die. Life cycle and appearance of Cactus mealybug Mealybugs get their name from the fact that the body of the females from the third nymphal instar [...] 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, called an

• Cutworms

  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 grey-brown forewings [...] feeding on tender leaves of seedlings. Third to seventh instars become negatively phototaxic and feed mostly at night and hide in the ground during the day [...] plant and quickly moves on to other plants and continues cutting. Therefore, relatively small populations of cutworms can destroy entire stands of crops

• Onion fly

  yellowing of onion leaves is one of the most obvious signs of onion fly damage. Small tunnels made by the larvae as they feed can also be seen in the bulbs [...] results onion fly, bean seed fly and fusarium wilt Trial results Onion fly and Fusarium wilt Trial results onion fly and bean seed fly What is Onion fly [...] including leek, garlic, and onion crops. It is a small fly, measuring between 5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are

• Effective spider mite control with predatory mites

  productivity and health, and ensure market compliance – without an impact on the environment and human health. Koppert is the pioneer in the development of predatory [...] biological and soft chemical tools in an IPM program. Koppert: expert in predatory mite solutions Koppert offers solutions for both preventive and curative [...] big range of natural enemies and have several patents to our name. Our stability in breeding, quality, reliability, and secure delivery is well-known around

• Olive scale

  an pest of citrus and olives and occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many [...] Removal of large quantities of sap debilitate the plant and can cause wilting, desiccation of tissues and dieback. Life cycle and appearance of Olive scale [...] veins on the lower sides of mature leaves. Many young females migrate to twigs and branches later and remain there for the rest of their lives.

• Box tree moth

  include webbing of the branches with frass and residues of moulting such as black head capsules of different sizes. Life cycle and appearance of Box tree moth [...] Cydalima perspectalis ) belongs to the family of Crambidae . It originates in the temperate and sub-tropical regions of East Asia (Japan, Korea, China). The box [...] clusters of 5 to 20 eggs in a translucent gelatinous mass on the leaves of box trees. The light green larvae have black stripes with white dots and hairs

• Black tea thrips

  turn yellow and drop. In addition, leaves are covered with small droplets of black excrement from the thrips. Life cycle and appearance of Black tea thrips [...] is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and has been recorded from [...] mating, and males are rare. The adults are poor fliers and tend to remain in the shaded areas on the plant. The eggs are white and banana-shaped and are inserted

• Hemispherical scale

  Saissetia coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe pest in coffee and citrus. Many ornamental crops [...] Badly fouled leaves may drop prematurely. Life cycle and appearance of Hemispherical scale An adult female of S. coffeae has a hemispherical form with a [...] produce large amounts of honeydew causing build-up of sticky deposits on nearby surfaces. The honeydew may attract attendant ants and sooty moulds grow on

• Click beetles

  Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish brown to black. The [...] roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants to wilt and die. Damage [...] The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots. The larvae (‘wireworms’)