• Antracnosis del haba

  of peas. The spots on leaves and pods are round, on the stems they are more elongated. The lesions are light brown, sunken and surrounded by a dark brown [...] outside of the seed coat and cause primary infection. The conidia germinate and infect through the stomata or directly through the cuticle. On the lesions, pycnidia [...] blight) and lesions of stems, leaves, and pods (pea leaf spot and pea pod spot). Damage symptoms Ascochyta pisi causes spots on leaves, stems and pods of

• False spider mites

  above, with their dorsal surface showing a net-like pattern. The eggs are a clear red colour and elliptical in shape. They are laid in a fold in the leaf or [...] protonymph, deutonymph and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when [...] plants belong to the genera Brevipalpus and Tenuipalpus . The most common species are Tenuipalpus pacificus , which causes damage to orchids and Brevipalpus

• Escarabajos

  mouthparts and mostly feed on the same food as the adults. The pupae do not make a cocoon and will already display many similarities with the adults. The adult [...] Coleoptera is the largest of all insect orders and displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or [...] información What are beetles? Beetles belong to the order Coleoptera, a well-known group of insects that are easily recognizable on account of their hard wing

• Black tea thrips

  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 singly in plant [...] eyes. It is yellowish and then darkens with age. The antennae are bent backward over the head in the pupal stage. The prepupal and pupal stages do not feed [...] surface first and, as feeding progresses and the population increases, moves to the upper surface. The leaves become discoloured and become distorted between

• Apple scab

  petioles and fruits and sometimes on twigs and bud scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The lesions [...] conidia, are formed which extend through the cuticula. The asexual conidia are released and repeat the cycle of infection of new plant parts and spore production [...] production. In autumn, the fungus produces new pseudothecia in leaves that have already fallen off the trees. In response to the infection, the plants produce

• Codling moth

  with ash-grey and a large, metallic, bronzy black ocellus on the hind part. The hindwings are brown. The eggs are about 1.3 x 1.0 mm, and whitish opalescent [...] year. The fully grown caterpillars of the last generation overwinter and pupate in spring. Larvae still in the apples at harvest can often be found in cracks [...] common in Europe. Damage symptoms After invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen and is usually

• Oriental fruit moth

  10-16 mm, and is dark-grey. When at rest, the wings are held in a roof-like position over the body, and the antennae are bent backwards over the wings. Eggs [...] 12 mm, and is pink to almost red. The head and the anal plate are brown. They have a black anal fork (anal comb) above the anal opening. The cocoon is [...] temperature, and bore into buds and shoots. They are fully grown within 2-3 weeks and pupate in a white cocoon spun on the surface of the host plant or

• FAQ Nematodes

  Packaging and formulation What is the substance the nematodes are packed in? In order for the nematodes to survive during transport and storage they need to [...] temperatures and certainly not outside a host. Only if the nematode is in the host and the temperature is not too low is there a small chance that the nematodes [...] nematodes belong to the genus Heterorhabditis or Steinernema. In addition, there are a number of other genera and species, but they are found in much smaller

• Shore fly

  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 [...] are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar larvae are brownish, less translucent and their body is [...] 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

• Moscas

  Europe and North America. Sciarid flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that [...] información The adult form of the onion fly Delia antiqua What are flies? There are several flies that are pests in agriculture, horticulture and mushroom [...] material and are mostly found in the soil. The spotted wing drosophila, Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe