• Beetles

  displays an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful beetles [...] aphids . Beetles undergo a complete metamorphosis, that is, the larvae do not resemble the adult at all, and must pass through a pupal instar before reaching [...] The pupae do not make a cocoon and will already display many similarities with the adults. The adult beetles usually possess a pair of membranous wings

• Flies

  and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although [...] are mostly found in the soil. The spotted wing drosophila , Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe and North [...] Biological control of flies Flies are a common pest problem in greenhouse and field crops, where they disturb plant growth, spread diseases and affect

• Green peach aphid

  native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous [...] green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual [...] grey-green, pink or red in colour. They appear matt, never glossy. Winged individuals have a brown-black head and thorax and a yellow-green to green or

• Apple rust mite

  adult females in protected sites on the tree, particularly beneath bud scales and in bark crevices. Spring activity As apple buds develop in spring, ove [...] What is apple rust mite? Apple rust mite (Aculus schlechtendali) is a microscopic eriophyid mite that feeds on the leaves and developing fruit of apple [...] Because apple rust mites reproduce quickly, high numbers can develop within a relatively short period under favorable conditions. Autumn Towards the end

• Green apple aphid

  What is green apple aphid? The green apple aphid (Aphis pomi) is a common aphid species in apple orchards. Both nymphs and adults feed on young leaves and [...] particularly in young plantings and nurseries. Solutions Learn more Damage symptoms of green apple aphid Green apple aphid infestations can cause a range of [...] develop throughout the growing season, typically four to six generations in temperate climates. The first generation usually appears three to four weeks

• Apple sawfly

  The larvae pupate in spring. 3-4 weeks later adults emerge in spring, typically during apple blossom, and lay eggs individually in open flowers or flower [...] leave the fruit, the nematodes infect larvae in the soil, helping reduce the population that overwinters. In addition, mass trapping of the adults with Horiver [...] apple orchards. Adult sawflies emerge during flowering and lay their eggs in apple blossoms. After hatching, the larvae feed inside developing fruitlets

• Click beetles

  6-10 mm long and 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 [...] brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully grown the larvae pupate in the soil in summer. The adults appear [...] 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

• Optimal placement of bumblebee hives

  the day. In case of insufficient shade, additional measures should be taken, especially in autumn when the Wireless Beehome System is closed. In times of [...] protect your bumblebees from heat . Low light condition (Winter) In winter, choose a spot where the hives receive early sunlight, typically on the north [...] hives can be placed higher inside the crop, at a minimum height of 1.4 meters above the ground, particularly in dense crop areas. On the darkest days of winter

• Cut flowers

  shrubs. In recent decades, the Hydrangea has been grown as a cut flower in all sorts of colors and sizes. Hippeastrum is the Latin name for a bulbous plant [...] Mexico and the Caribbean. Is grown from a bulb as a cut flower or sold as a pot plant. Freesia : The freesia is a herbaceous perennial flowering plant from [...] descended from a number of freesias. Lily : Lilium is a genus of herbaceous flowering plants. Most lilies originate from temperate areas in the northern

• Shore fly

  transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and [...] following stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white [...] General Shore flies ( Scatella tenuicosta ) occur very commonly, often in the vicinity of water. They feed on algae. Other shore fly species have diverse