• Natutec Drive – ‘In a class of its own!’

  June 4, 2021

  Half a year ago, Dyson Farming in the UK took the decision to acquire the Natutec Drive tool to disperse its biological pest control products. ‘It was [...] tool unfold over the crop to blow the live products accurately and uniformly over the strawberry plant foliage without harming the insects. We are really satisfied [...] fitted the unit onto our heating pipes and it allows us to distribute Thripex and Chrysopa really accurately,’ Angel explains. ‘The two arms of the tool

• Chafers

  colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During the night the females move to the ground to lay [...] 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 [...] their eggs. Eggs are shiny and white. The eggs hatch after about four weeks and the larvae start to feed on roots. The larvae are white-coloured, C-shaped

• Click beetles

  feed on 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 [...] brown to black. 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 [...] larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring.

• Southern European marshland pyralid

  caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] even been known for the caterpillars to inflict damage to the roots of crops cultivated in an ebb-and-flow irrigation system. The damage threshold varies [...] groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk

• 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: [...] for mealybug control The predatory beetle Cryptolaemus montrouzieri is a species of beetle belonging to the family Coccinellidae. The beneficial insect is [...] mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search of new prey. Sometimes the larvae resort to cannibalism under

• Carnation tortrix

  yellow to purple forewings (with a dark brown band in the females and two red bands in the males) and the hindwings (bright orange) ensure that the moths of [...] General The carnation tortrix ( Cacoecimorpha pronubana ) is a Mediterranean species belonging to the family of Tortricidae . It occurs in the Middle East [...] silken mass. The larvae hide inside the rolled leaves, growing tips or flowers that have been spun together. The feeding caterpillars of the carnation tortrix

• Pea leaf miner

  roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small [...] damaged before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of [...] miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature

• Cabbage leafroller

  opening bud to the growing tip, while older caterpillars eat a hole in the shoot and hollow it out, causing the shoot or growing point to wilt and die [...] rest, the wings are held folded almost horizontally over the body. The antennae are thin and of medium length. The moths fly when it is dark. The yellow [...] of 10 to 90 pieces and covered with a gelatinous layer on the upper side of leaves, preferably on major veins or depressions in the epidermis. The caterpillar

• Black vine weevil

  regions. 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 [...] again. The full-grown larvae pupate in spring in the soil. The depth where the pupae can be found varies between 2 and 20 cm. Pupae are white to cream coloured [...] 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

• Brown soft scale

  of the scale darkens as the female ages. The size, shape and characteristics of the female also vary with different host plants. The middle of the scale [...] hesperidum is often attended by ants. The ants will clean and protect the coccids and in turn benefit from a rich food source. The honeydew also quickly becomes [...] can cover the leaves, flowers and fruit of the host and reduce photosynthesis and respiration. Life cycle and appearance of Brown soft scale The scale of