FAQ Nematodes

1. Nematodes in general What are nematodes? Nematodes are microscopically small (0.6 to 1 mm), unsegmented worms that occur naturally in the soil throughout [...] is or Steinernema. In addition, there are a number of other genera and species, but they are found in much smaller quantities. Are the released bacteria [...] formulation What is the substance the nematodes are packed in? In order for the nematodes to survive during transport and storage they need to be packed in a carrier

Moscas

The adult form of the onion fly Delia antiqua What are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation [...] flies and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although [...] 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

Escarabajos

coleópteros Más información What are beetles? Beetles belong to the order Coleoptera, a well-known group of insects that are easily recognizable on account [...] variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful beetles as well. For instance, ladybirds [...] possess a pair of membranous wings beneath the wing covers. Many species are very capable fliers but others cannot fly at all. Beetle damage Both larvae

Apple scab

scales. The lesions are olive-green. When spores are produced, the lesions become grey and fluffy. The lesions caused by ascospores are more restricted, whereas [...] unripe fruiting bodies in infected fallen leaves or in lesions on twigs. These unripe fruiting bodies, or pseudothecia ripen in winter and form ascospores [...] parts and spore production. In autumn, the fungus produces new pseudothecia in leaves that have already fallen off the trees. In response to the infection

Black tea thrips

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 [...] black tea thrips are dark brown with the apex of the abdomen paler; females are 1.4-1.7 mm long and males are 1.1-1.2 mm long. The legs are entirely white [...] haemorrhoidalis , is widely distributed in the tropics and subtropics; it also occurs in greenhouses of temperate areas, is highly polyphagous, and has been

False spider mites

pattern. The eggs are a clear red colour and elliptical in shape. They are laid in a fold in the leaf or along the mid-vein, often in dense clusters of [...] spider mites ( Tenuipalpidae ) are brick-red to yellow in colour. They have the same body shape as spider mites but are usually smaller. The different [...] plant. In some crops, plants can become misshapen, presumably because the mites secrete a substance while feeding, that is poisonous to the plant. In places

Codling moth

overwinter and pupate in spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or other places in the store. [...] 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 when laid. Later, the [...] several hook-tipped bristles at the tip. In Europe, the first generation adults appear from mid May onwards. Eggs are laid singly on leaves or developing fruitlets

Antracnosis del haba

pods 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 [...] ) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds [...] seeds may have brown areas. Life cycle and appearance of Pea blight, leaf and pod spot Ascochyta pisi hardly survives in the soil or on crop residues because

Oriental fruit moth

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 are translucent-white when [...] per year varies according to climatic conditions. In Europe, adults appear from March onwards. Eggs are laid singly on leaves and twigs of trees. The larvae [...] on 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

Shore fly

the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white. Second instar larvae are brownish, less translucent [...] the larvae of most species feed on rotting material. Shore flies are commonly found in greenhouses. Damage symptoms Shore flies ( Scatella tenuicosta) do [...] 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