• Sciarid flies

  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 [...] grey-black flies with long antennae. They have relatively long legs, and the wings show very clear venation. The fly has a small head equipped with sucking mouth [...] 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

• Nutari

  sprinkling on the leaves by hand or with an Air(o)bug Large heaps of carrier material may cause leaf damage, so make sure the material is distributed as a thin [...] introduction together with the first predatory mite release. Apply 1000 - 5000 mites/m 2 per release. Consult a Koppert advisor or a recognized distributor [...] , Transeius montdorensis ) in the beginning of the season and at low prey densities. Mode of action When density of the target pest is low and there is

• California red scale

  t. The females moult into the grey stage, named after the colour of the edges of their shield. Mating occurs at the start of this stage, before the female [...] young over a period of six to eight weeks, at a rate of one to three a day. The crawlers are mobile and very small, so they are spread easily by the wind and [...] they produce a white, waxy, and cottony cover, forming the typical appearance of the shield after they first moult. A few days later, the sexes become

• Drososan

  using the enclosed hook The most effective place to hang the traps is in the shade along the sides of the plot, in the hedge (if available) and in the crop [...] If the crop is low, make sure the traps hang at least one metre above the ground. In taller crops, the traps can be placed in the crop Protect the traps [...] action The Drososan trap needs to be used in combination with Fruit Fly Attractant. The spotted wing drosophila are attracted to the trap by the liquid

• Gerbera

  About The gerbera belongs to the family of daisies or Asteraceae . The flowering plant is originally from South Africa and grew among others in the Cape [...] result of crossing the Gerbera jamesonii with another species from South Africa, the Gerbera viridifolia. The result is generally known as Gerbera hybrida [...] Nowadays, the gerbera is still popular and extensively used as a decorative garden plant or sold as cut flower. Domesticated cultivars are usually the result

• Tomato leafminer

  place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] occur underneath the crown of the fruit and even inside the fruit itself. On leaves, the larvae only feed on mesophyll tissues, leaving the epidermis intact

• Cyclamen mite

  deform and discolour with the leaves turning bronze, mainly along the midrib. Even a mild infestation can cause enormous damage, and with heavier infestations [...] on plant sap by penetrating the plant tissue with its piercing-sucking mouth parts. The mites are mostly found within the flower buds, growing tips and [...] become brown near the base. Life cycle and appearance of Cyclamen mite The life cycle of the cyclamen mite ( Phytonemus pallidus ) has the following stages:

• Aphidoletes aphidimyza

  directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents Once emerged, the adult gall-midges will leave the bottle [...] starts 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 [...] aphidimyza The predatory gall midge Aphidoletes aphidimyza is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly

• Predatory mites

  chemical pesticides. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus [...] Predatory mites in bottles The standard packaging for predatory mites includes a bottle with a convenient dosing cap, simplifying the process of distributing [...] essential to know where the pest is, how severe the infestation is and to identify the pest. Select the right predatory mite: Choose the appropriate species

• Cotton aphid

  including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s [...] and kalanchoe. The cotton aphid ( Aphis gossypii ) is distributed throughout the world but prefers the warmer regions. It has been a pest in European [...] adulthood. With each moult they shed white skin, betraying their presence in the crop. The cotton aphid can be distinguished from other aphids by the colour