Greenhouse whitefly

This is called the pupa stadium and these pupae are found on the oldest leaves. The adult emerges from the pupa via a T-shaped fissure. The adult whiteflies [...] sucking out the sap from the plant leaves and secreting honeydew. This can have the following consequences: If the population is very large, feeding on plant [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth

Cabbage looper

mainly on the leaves causing irregular holes. The first three instars make small holes, while the following stages feed on the tissue between the veins [...] to 300 eggs on the underside margins of the upper leaves of plants. The eggs have a spherical shape, with the flattened part attached to the leaf, and are [...] green with a white band on both sides of the body. Pupation takes place in webbed cocoons often on the underside of the host plants. The pupae have a green

Spidend

Make a hole in the lid and place the cup on the rock wool slab or directly on the soil Protect against direct sunlight and water Leave the cup in place for [...] emerging from the pupa, adult gall-midges actively search for spider mite colonies and deposit eggs next to the spider mites . Once emerged, the larvae feed [...] least two weeks Dosage The dosage of Spidend depends on climate, crop and spider mite density and should always be adjusted to the particular situation.

Tomato looper

through the leaves, which make them appear skeletonized. The last two instars may eat the entire leaf except for the midrib or other large veins. On tomatoes [...] white marks on the forewing that sometimes overlap each other. The hindwings are brown. The body is brown and hairy and, when at rest, the hairy dorsal [...] They are deposited singly or in pairs throughout the crop, on the lower and upper surfaces of leaves. The caterpillar passes through 6 instars. It has a

Sciarid flies

damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on algae and fungi present in the soil [...] plant material. Damage symptoms The larvae of sciarid flies feed mainly on organic remains and the fungi that grow on them, although some species can also [...] of Sciarid flies The life cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar, and the adult. The adult insects are

Corn rootworm

that causes the most extensive damage. The larvae feed on the rootlets and dig tunnels in the larger roots. This leads to a reduction of the root system [...] year. The pest overwinters in the soil in the egg stage. Egg hatching start in the middle of May and continues until the begin of July, with the presence [...] black stripes on the wing covers. They emerge throughout the summer period with a peak between the end of June and the middle of July. The adults may mate

Chafers

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 [...] in 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 [...] damage. The adults are not harmful. Damage symptoms Larval feeding on the roots can lead to yellowing and wilting of plants. Damage can be severe on young

Natutec Mini-Airbug

provided in the table on the underside of the pot Fill the dosing pot with the material to be released and close the lid Place the fully charged battery [...] metres (depending on product/carrier material). Application Adjust the size of the holes in the dosing pot to the required dosage based on the information provided [...] in the belt bag Adjust belt around your waist Connect the cable to the battery Attach the dosing pot to the revolving head of the blower Start the Mini-Airbug

Broad mite

lay their eggs mainly on the underside of the leaf or on the fruit surface. The elongated, oval eggs are firmly attached to the surface and are rather [...] to the damage caused by viruses. The typical pattern of damage consists of malformation and distortion of the above-ground growth of the plant. The mites [...] s like the broad mite ( Polyphagotarsonemus latus ) can occur both on vegetable and ornamental crops. Damage symptoms The damage caused by the broad mite

Black leg of seedlings

later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border [...] older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but later [...] and soil or substrate the plant turns brown. A typical symptom of a Pythium infection is the easy stripping of the skin from the root cortex with a finger