• Greenhouse whitefly

  The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity of plant sap. This contains a high proportion of sugar, and [...] consumption of plant sap and secreting of honeydew by whiteflies reduce the aesthetic value of crops. This is particularly important in ornamentals . Life cycle [...] General The greenhouse whitefly ( Trialeurodes vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world

• Natupol Seeds

  l conditions and the amount and quality of pollen. Presentation One small colony of bumblebees, consisting of 15 workers, five males and male brood. Six [...] crops isolated in areas from 1 to 25 m². Crops Seed crops. Mode of action After introduction of the hive, worker and male bumblebees start pollinating the flowers [...] conditions. Always consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your situation Environmental

• Western flower thrips

  leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations [...] cucumber, sweet pepper, eggplants, and many ornamental crops. Life cycle and appearance of Western flower thrips The western flower thrips (Frankliniella [...] insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are

• Carnation tortrix

  spectrana ). Each female of the carnation tortrix ( Cacoecimorpha pronubana ) is capable of laying up to 700 eggs, deposited in batches of 10 to 200 on the upper [...] culture of carnations and strawberries in greenhouses; the damage inflicted to strawberries and other crops grown outdoors is less serious. Life cycle and [...] Cacoecimorpha pronubana ) is a Mediterranean species belonging to the family of Tortricidae . It occurs in the Middle East, North Africa, the USA, Europe

• Tomato moth

  second generation of larvae often causes greater loss of fruit than the first. Life cycle and appearance of Tomato moth The forewings of adult tomato moths [...] grey-brown. The females of the tomato moth (Lacanobia oleracea) deposit their spherical eggs on the underside of leaves in groups of 50 to 300, often arranged [...] inflict damage on outdoor crops. It is a polyphagous species feeding on plants of 14 families including crop species such a tomato, sweet pepper, lettuce, brassicas

• Olive fly

  (maggots) of the olive fruit fly feed inside the fruit, destroying the pulp and allowing the entry of secondary bacteria and fungi that lead to rotting of the [...] fruit quality for both table olive and olive oil production. Life cycle and appearance of Olive fly The adult olive fruit fly is about 4-5 mm long. Its [...] quality of the olive fruit. In most regions, the olive fruit fly appears to be best adapted to develop in the autumn period, when its larval food (i.e., olive

• Aphytis melinus

  species of parasitic wasp belonging to the family Aphelinidae . This tiny wasp is widely recognized for its role in the biological control of various scale [...] introduced to many parts of the world to aid in integrated pest management (IPM) programs. Aphytis melinus is used for the control of the following pests: [...] in case of adverse weather it can be stored for 24-48 hours at 18ºC and in darkness. Best conditions for Aphytis melinus The effectiveness of the parasitic

• Cabbage leafroller

  hollow it out, causing the shoot or growing point to wilt and die. Life cycle and appearance of Cabbage leafroller An adult female is 12 mm long and is ochre-yellow [...] body. The antennae are thin and of medium length. The moths fly when it is dark. The yellow eggs are laid in batches of 10 to 90 pieces and covered with [...] pairs of prolegs. They either make webs in which they hide, or live inside fruit or flowers. It is these webs that cause the leaves to curl. Many of these

• Leek moth

  cream-coloured, silk cocoon made of characteristic meshes spun on the surface of the leaves or on the flower-stalk of the host plant. The pupa is 7-8 mm [...] with a wing span of 15-16 mm. Their general colour is grey-brown with a typical white triangle in the middle of the posterior edge of the forewings. The [...] found in some Asian countries and has been introduced to parts of Canada. The larvae of Acrolepiopsis assectella feed on cultivated Allium species, primarily

• Macrocheles robustulus

  used for the control of the following pests: Sciarid flies (fungus gnats) Thrips Lyprauta larvae The predatory mites feed on larvae of sciarid flies , thrips [...] insects. The mites appear in and on the soil and at the base of plant stems. Feeding behaviour of Macrocheles robustulus Predatory mites pierce their prey [...] five Western flower thrips (Frankliniella occidentalis) pupae per day. Life cycle of Macrocheles robustulus Macrocheles robustulus passes through the following