• Silver-Y moth

  symptoms The larvae feed on leaves, causing typical caterpillar damage. Feeding damage includes feeding on the leaf epidermis and on the petiole, skeletonized [...] brassicas, from August onward. The silver-Y moth ( Autographa gamma ) feeds on plants of 14 families and is sometimes also encountered in greenhouse crops such [...] roof-like above the body. The female lays up to 2,000 eggs on the underside of the leaves of their host plant, usually separately but sometimes in small groups

• Syrphidend

  box vertically on the plants, preferably close to flowers. Protect from direct sunlight or rain. Dosage The dosage of Syrphidend depends on climate, crop [...] larvae start feeding on the aphids . Visual effect Aphids are consumed entirely, only skin remains. Dark excrements (meconium) on the leaves is an indicator [...] development and hatching of pupae. Adult hoverflies feed on pollen and nectar. Ensure flowering plants are present for optimal establishment. Combined use For

• Blueberry

  and diseases that can impact the health and productivity of these plants. IPM focuses on using a combination of methods to manage pest populations, which [...] antagonistic fungi which protect the plants against these diseases can be applied to the growing medium when the plants are being grown under permanent protection [...] left uncontrolled. Aphids Aphids are common pests that feed on the sap of blueberry plants, weakening their growth and potentially transmitting viral diseases

• Circular scale

  range, it occurs in greenhouses. In addition to citrus, it occurs on many other plants. Damage symptoms Chrysomphalus aonidum has a preference for humid [...] reddish-brown or black spots with paler margins, on both surfaces of shaded leaves of the host plant. Life cycle and appearance of Circular scale Female [...] feeding stage in both sexes. Development to adult takes 7-16 weeks depending on temperature.

• Black currant

  About The black currant ( Ribes nigrum ) is a woody shrub and the plant is well known for its savory berries. It belongs to the family of Grossulariaceae [...] milder regions of both central and northern Europe and northern Asia. The plants grows well in damp and fertile soils. During summer, clusters of small and [...] phytochemicals. Nowadays, black currants are extensively cultivated, both on commercial and domestic scale.

• Hemispherical scale

  depends on the host plant and can vary from 2 to 4.5 mm. The young nymphs are white to yellowish, more oval in form and with a raised H-pattern on the dorsal [...] shiny brown domes on leaf undersides close to the midribs. They produce large amounts of honeydew causing build-up of sticky deposits on nearby surfaces [...] instars live on the underside of leaves, often close to the midrib. Only when an infestation is particularly severe do individual scales appear on stems, branches

• Carnation tortrix

  Madeira. It is polyphagous, observed on 160 cultivated and wild plant species – trees as well as herbaceous forms - of 42 plant families, and it is the major [...] damage it inflicts on carnations and strawberries. Damage symptoms The larvae of the carnation tortrix ( Cacoecimorpha pronubana ) feed on the upper surface [...] laying up to 700 eggs, deposited in batches of 10 to 200 on the upper surface of leaves or on other greenhouse materials. At first, the eggs are a light

• Bugs

  Bugs can cause extensive damage to greenhouse and field crops by feeding on plant tissues and fruits, leading to deformation, discoloration, and yield loss [...] found as pests in agricultural crops. Bug damage Phytophagous bugs damage plants by puncturing leaves and growing points with their piercing-sucking mouthparts [...] and deformed growth as a result of toxic substances that they inject into plants while feeding.

• Geranium aphid

  and western Europe. Damage symptoms Wingless aphids may form large colonies on young strawberry foliage, particularly along the petioles. In outdoor strawberries [...] onwards and are responsible for spreading the infestation to other strawberry plants. Acyrthosiphon malvae rogersii can spread strawberry mottle virus. Life [...] produce eggs to overwinter) and monoecious (i.e. they do not change their host plant for overwintering). Wingless females are green or yellow green, often shiny

• Aphidoletes aphidimyza

  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 Once emerged, the [...] markings. They have a dark body coloration and are commonly seen resting on plant foliage or flying near aphid-infested areas. By recognising these char [...] gall-midges will leave the bottle and spread The dosage of Aphidend depends on climate, crop and aphid density and should always be adjusted to the particular