• Japanese beetle

  common symptom of feeding by the adult. The beetles generally feed from the upper surface of leaves, chewing out the tissue between the veins and leaving [...] sometimes kills the plants. Life cycle and appearance of Japanese beetle Newly-laid eggs of the Japanese beetle are about 1.5 mm long, pearly white and [...] earthen cell formed by the mature larva. The pupa, which is approximately 14 mm long and 7 mm wide, resembles the adult beetle, except the wings and other appendages

• European red mite

  generations in one year. The European red mite overwinters in the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn. [...] and appearance of European red mite The European red mite feeds mainly on the undersides of leaves but moves to upper leaf surfaces when the lower side becomes [...] Damage symptoms Feeding of European red mites on leaves of trees causes initially brown spots on the leaves and when these coalesce the leaves loose colour;

• Black vine weevil

  It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots. After the roots have been [...] but reduces the value of ornamental plants. Life cycle and appearance of Black vine weevil The life cycle of the black vine weevil consists of an egg, 6 [...] temperate climates, the small (0.7 mm diameter), spherical white eggs are laid from the beginning of July until around the end of October. The larvae that hatch

• Lyprauta

  vegetative stage. The root damage can also form entry points for pathogens. Life cycle and appearance of Lyprauta The adults of the three species can be [...] distinguished by the wing pattern of adults. Adults of P. trinidadensis have a variation of dark-coloured markings spread over their wings. Adults of L. cambria [...] are small earthworms of the family Enchytraeidae. Damage symptoms The symptoms are superficial damage on roots. Especially the root tips are affected.

• European corn borer

  are laid mainly on the underside of leaves. The larvae initially feed on the leaves and then bore into the upper part of the maize plants. Later, second [...] turn yellow. The black head of the larva can be seen just before hatching. The eggs are laid in a mass and overlap like tiles on a roof. The average number [...] number of eggs per egg mass is 30. The larvae are up to 25 mm long; body pale purplish brown to brownish and dark spots with a pale centre at the base of the

• Codling moth

  invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually plugged by dry frass. The larva then [...] burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then greatly enlarged as the tissue beneath [...] days. The first instar larvae burrow into the fruitlets, often through the calyx. Larger fruits are usually entered through the side or near the stalk

• Tetrapar

  Appearance The eggs of the parasitoid are covered with a mucilaginous substance and are attached to the body wall of the psyllid nymph. The larvae are [...] Distribute the wasps evenly over the entire surface of the crop, releasing the product every 20 m alternating between the rows or beds. Carry out the introduction [...] introduction of Tetrapar during the morning or in the late afternoon, to avoid high temperatures and radiation. Dosage The dosage of Tetrapar depends on climate

• Cryptolaemus montrouzieri

  species such as the citrus mealybug and the long-tailed mealybug . The predatory beetle Cryptolaemus montrouzieri is used for the control of the following pests: [...] large populations of mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search of new prey. Sometimes the larvae resort to [...] Life cycle of Cryptolaemus montrouzieri You can recognize the different life stages of the predatory beetle Cryptolaemus montrouzieri , the mealybug destroyer

• Cutworms

  occasionally 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 [...] Important species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually feed on roots [...] usually observed as a cutting of young seedlings, often causing death of the cut seedlings. Sometimes wilting is observed because of partial cutting. A larva

• Rancho Los Pinos is nature's ally

  Thanks to the use of Koppert's biological systems, producers around the world have reduced their impact on the environment by drastically reducing the use of [...] profitability of their crops. The ongoing collaboration between farmers and Koppert lives up to one of its core values: working for the growers. [...] On its 610 hectares of protected farmland, the ranch produces various tomato and cucumber varieties, along with 55 hectares of open-field Brussels sprouts