• Goat moth

  partly suffused with grey and marked irregularly with black. Eggs are 1.7 mm long, oval and reddish brown. The caterpillars are up to 10 cm long, pink [...] pink when young, later with yellowish sides and a dark red back with a black head. The pupa is 5-6 cm long, dark brown, with spines on the abdominal segment [...] lay eggs on tree trunks in batches of up to 50. After the eggs hatch, the larvae bore into the bark and down to the sap wood. Development takes 3 or 4 years

• Silver-Y moth

  migrating back to southern Europe for the winter months. The moths can fly 2,000 to 2,500 km. In temperate climates, the species produces one to two overlapping [...] They fly rapidly from flower to flower, often resting with their wings folded roof-like above the body. The female lays up to 2,000 eggs on the underside [...] different shades of brown to grey, but the most distinctive feature is the irregular white mark. The hindwings are brown with a broad, dark band along the

• Rose aphid

  symptoms Infestations with rose aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin

• Click beetles

  skinned. They are up to 25 mm long and usually shiny yellowish brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully [...] General Click beetles are elongate beetles with a hard exoskeleton, with the head deeply retracted into the thorax. When disturbed they lie on their back [...] yellowish 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

• Large blackberry aphid

  very similar to the large raspberry aphid Amphorophora idaei . As both aphid species are host specific the host plant is the simplest method to distinguish [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin

• Box tree moth

  the larvae pass through five to seven instars. The pupae are hidden between leaves and difficult to detect. They are green with brown longitudinal lines at [...] damage on the leaf edges, with sometimes only leaf skeletons remaining. Other symptoms include webbing of the branches with frass and residues of moulting [...] deposits clusters of 5 to 20 eggs in a translucent gelatinous mass on the leaves of box trees. The light green larvae have black stripes with white dots and hairs

• Angular leaf spot

  causes small, water-soaked lesions on the underside of the leaf. They enlarge to angular spots, often limited by the small veins. The distinctive feature is [...] bacterial exudate forms on the underside of the leaf. This exudate changes to a white film when it dries. Lesions may merge as they grow and later also [...] types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora fragariae infection. Life cycle and appearance of Angular

• Black bean aphid

  sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We worked in consultation with distributor [...] Buha manages some 9000 solitary oak trees withing this municipality. In 2020 the level of infestation with the oak processionary caterpillar within the [...] much lower, which is a great benefit to biodiversity. In mid-April, we started using nematodes at locations with significant contact options within the

• Pherodis Fruit Fly Attractant

  is ready to use Fill the Drososan trap with 200 ml of the luring substance Refill when the luring substance has evaporated or is saturated with flies Dosage [...] Dosage For the number of traps to be used see instructions for Drososan . Combined use Use in combination with Drososan traps. Storage time See package [...] In combination with a Drososan trap, monitoring and trapping of Drosophila suzukii in various fruit crops. Pests Spotted wing drosophila ( Drosophila suzukii)