Aphidoletes aphidimyza

). 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 [...] predigestion of the body contents. The larva then sucks out the body fluids, leaving the dead aphid hanging by its snout from the leaf to turn brown or black [...] species. The time required to consume an aphid can vary from a few minutes to several hours, depending on the age and nutritional condition of the predator

Garden chafer

females that stay close to the ground. Females start to deposit eggs into the soil at a depth up to 5 cm soon after mating. The eggs elongate at laying [...] Garden chafer The life cycle of the garden chafer ( Phyllopertha horticola ) has the following stages: egg, 3 larval instars, a pupal instar and the adult beetle [...] of which the middle and hind pairs are approximately the same length. Pupation takes place around March or April. The pupae are cream-coloured to light brown

Greenhouse whitefly

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 [...] have an oval shape. The first instar larvae (crawlers) are mobile, whereas the rest of the larvae stadia remain flattened on the leaf. The fourth larva stadium [...] 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

Obscure mealybug

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 [...] seeking females to fertilize. The female second instar nymphs, on the other hand, settle on the leaf and begin to secrete wax, moulting to a third instar [...] primarily at the foot of the stalk. In an overhead wire system of cultivation, the mealybugs are often located on the horizontal part of the stalk. These

Citrus mealybug

distance over the plant. The male nymph attaches itself to the plant, whereas the females remain mobile throughout their entire development. After the second [...] growing on this honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are [...] so that the light yellow to pink body is visible through its waxy covering. There is often a darker longitudinal stripe running over the body. The adult

Yellow rose aphid

therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves. Retarded [...] ng fruit and ornamental crops. At the same time, photosynthesis in the leaves is reduced, affecting production. The yellow rose aphid is also a vector

Amblyseius swirskii

exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites The dosage [...] according to the prey eaten, and varies from almost lucent whitish to opaque white or yellow. Due to their size and colour they are difficult to spot in [...] of the cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction site for at least

Transeius montdorensis

of the cap to open the dosage hole Carefully sprinkle material on leaves Make sure the material remains on the leaves for at least a few hours after in [...] already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory mites The dosage of Montdo-Mite Plus and Montdo Ulti-Mite [...] 0.14 mm. The larvae have six legs, are the same colour as the eggs, and are only slightly larger. The larvae of Transeius montdorensis have to feed. If

Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

now. In the longer term, improving biodiversity will have an important role to play – breaching the monocultures of the oak and stimulating the natural [...] oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for the Municipality [...] necessary. ‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation

Natutec Airbug

battery in the belt bag Connect the cable to the battery Attach the dosing pot to the revolving head of the blower Place the tube of the blower in the belt Turn [...] of the pot Fill the dosing pot with the material to be released and close the lid Connect the tube to the blower and secure with a wing nut Place the fully [...] Application Select the required dosing pot Adjust the size of the holes to the required dosage based on the information provided in the table on the underside of