• Phytoseiulus persimilis

  spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator, and the temperature and relative [...] Because the development rate of the predatory mite is roughly twice that of the spider mite, the number of predatory mites increases rapidly, and they quickly [...] available in breeding sachets ( Spidex Vital Plus). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several

• Crane flies

  during the autumn.. Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become active again and feed [...] General The larvae of crane flies , called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses [...] emerge from the soil in late summer to fall, and females mate and lay 200-300 eggs. Larvae emerge within one week and then feed on roots and crowns of grasses

• Horiver Rollertrap

  through the center opening of the roll which will allow the Rollertrap to spin freely while unrolling At the beginning and end of each run, cut the trap [...] leaf miners , fungus gnats. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polyethylene [...] colours and sizes Colours : yellow, blue, white, red, black and transparent Standard sizes: 5, 15 and 30 cm x 100 m 15 cm width is also available in lengths

• Leaf stripe

  formed at the base of the leaf and the leaf sheath. They gradually extend and become brown and chlorotic and may merge. Eventually this leads to the death [...] be distorted and failing to emerge from the sheath. Ear length and the number of kernels may be reduced and kernels may be brown. The symptoms do not always [...] fungus is seed-borne and this systemic infection is the only source of primary infection. The fungus spreads from the seed into the seedling. Conidia are produced

• Beet armyworm

  even black. The colour and pattern of the caterpillars is highly variable and depends partly on the host plant, the stage of development and the climate. [...] caterpillars, the damage can spread to the stems, and in the worst cases to the fruit. This often leads to the entire contents being consumed. In ornamental [...] lays its eggs in packets, sometimes in several layers, and on top of a mass of white, cottony hairs and scales from the moth’s body. The eggs, usually

• Cottony cushion scale

  period of 2 to 3 months. After leaving the egg sac, the crawlers settle along the midribs and veins of the leaves. The next two instars migrate to the larger [...] shrubs and trees. Damage is mostly caused by sap depletion; the shoots dry up and die, and defoliation occurs. In addition, the copious quantities of honeydew [...] produced by the scales coat the leaves, blocking the stomata and impeding gas exchange. Sooty moulds grow on the honeydew, blocking the light from the leaves

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• Spotted Wing Drosophila

  tubes which stick out of the fruit. There are three larval instars and in the third instar the larvae are about 3.9 mm long. The pupae of Drosophila suzukii [...] ovipositor that is used to penetrate the skin of the host fruit and for laying the egg into the fruit. Eggs are white, 0.6 long and 0.2 mm wide. Each egg has two [...] development takes place in the fruit. The larvae pupate either fully or partly in the fruit, or outside the fruit on the ground.

• Faba bean

  vetch and pea family Fabaceae . The name ‘broad bean’ is commonly used in the United Kingdom, New Zealand and Australia and usually applied to large-seeded [...] bean, horse bean, Windsor bean, pigeon bean and tick bean are all different names for the Vicia faba , a flowering plant and species belonging to the vetch [...] cultivated for consumption. The Vicia faba grows some 0.5–1.8 m tall and is a firm plant with sturdy stems of a square cross-section. The broad beans are broad

• Oleander aphid

  the progeny are clones of the adult female. The nymphs feed in colonies on the shoots at the top of the plant. Nymphs progress through five nymphal instars [...] oleander. Damage symptoms The colonies of bright yellow aphids can easily be seen on the shoots of the host plants. The damage caused by the aphid colonies is [...] found in tropical to warm temperate regions throughout the world. It probably originated in the Mediterranean region, the origin of its principal host plant