• Tobacco thrips

  nations. In Europe, Thrips parvispinus was first detected in Greece in 1998 as a pest on ornamental crops, later appearing in Spain in 2017, France in 2018 [...] Scarring on fruit Thrips parvispinus can also inflict significant damage on fruit. The feeding activity of the thrips often leaves scars and blemishes on the [...] hidden. In greenhouses, Thrips parvispinus populations typically start to appear in the spring and peak in the autumn, with minimal presence in the winter

• Encarsia formosa

  brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with the whitefly [...] inside the whitefly nymphs, which are then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, leading [...] important natural enemy for farmers and gardeners aiming to reduce the reliance on chemical pesticides. Encarsia formosa is used for the control of the following

• Parasitic wasps

  begin to feed on the host pest. They consume the host from the inside, which ultimately leads to the death of the host. Pupal stage: After the larvae have [...] suitable host pest. The choice of host depends on the specific species of parasitic wasp, as they often exhibit host specificity. The female parasitic wasp [...] it emerges from the host's body or the cocoon. The host pest is typically killed in the process. Host feeding In addition to parasitization, some parasitic

• Spider mites and other mites

  with the female mite laying eggs. The eggs are usually spherical and laid on the underside of leaves or on other parts of the plant. The number of eggs [...] are often found in colonies on the undersides of leaves, where they feed on the plant's sap. The damage caused by plant mites can result in discolored or [...] on of the leaves, with the affected areas curling and twisting. This damage is caused by the mites feeding on the plant tissue, which disrupts the growth

• Obscure mealybug

  name from the fact that the body of the females from the third nymphal instar onwards are covered with a white waxy material in the form of powder, threads [...] layer of wax, the filaments around the body are longer (20-50% of the body size) and the two tail filaments are always markedly longer than the others [...] The obscure mealy bug ( Pseudococcus viburni ) is sometimes encountered on tomato, primarily at the foot of the stalk. In an overhead wire system of

• Amblyseius swirskii

  use Push the centre of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction [...] underside of leaves, often in the axil of veins. They are oval, white and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour [...] mobile and actively search for food on the underside of leaves. They often congregate in the axils of leaf veins to rest. Their colour can vary according

• Aphidius colemani

  Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species, and whether [...] Aphidius colemani The parasitic wasp is available in a bottle ( Aphipar ). Spread the material on rock wool slabs or in Diboxes Make sure the material remains [...] disturbance of the aphid population by the presence of the parasitic wasp also has an effect: the alarmed aphids secrete a warning substance, which affects the

• Aphidend

  n Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents [...] Pests All species/stages of aphids . Mode of action Adult gall midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging [...] contents Once emerged, the adult gall-midges will leave the bottle and spread Dosage The dosage of Aphidend depends on climate, crop and aphid density and should

• Plant Health

  stresses. Fostering plant resilience: the role of plant compounds Defense mechanisms through complete compounds The degree of plant resilience is linked to its [...] transfer sugars to the root system, stimulating the soil food web. This interaction releases essential minerals, enabling the formation of complete proteins [...] Rediscovering natural approaches to plant health Embracing biological pest control Over the years, biological pest control has proven effective in managing

• Aphids

  large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar is secreted in the form of honeydew, making the crop and its [...] of wings, one of which is much larger than the other. For a large part of the season an aphid population consists of viviparous females. As reproduction [...] with the conspicuous white cuticles, shed during each of these moults, betraying their presence in the crop. There are two types of aphid species: those