• Western flower thrips

  variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in cucumber [...] necrotic spot virus (INSV). Both viruses affect a wide range of plants, and often a single host plant may be infected by both viruses. [...] flower petals and in the soft parts of stalks. They are inserted into the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or

• Black vine weevil

  into corms, rhizomes and stem bases of plants. Larvae can also feed above ground within the stems of the plants. Both adult beetles and larvae are polyphagous [...] polyphagous and feed on a large number of plant species. High populations of larvae can destroy plants under field conditions. Established crops are more [...] more resistant to damage than young plants or just planted cuttings. The adult beetles are only active at night, taking round bites out of the leaves, starting

• Tomato leaf miner

  General The tomato leaf miner (Liriomyza bryoniae) has many host plants and has caused crop damage in many parts of the world, including North Africa, [...] miner has been found in greenhouses for decades, but has become a common pest since the 1960’s, particularly in sweet pepper, lettuce, melon, chrysanthemum [...] chrysanthemum and gerbera. Damage symptoms Leaf miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining

• Effective spider mite control with predatory mites

  the most common species in greenhouse and open-field crops. These pests pierce plant cells, causing stippling, leaf yellowing, and eventual necrosis. Outbreaks [...] Spider mites are among the most destructive pests in horticulture, damaging crops rapidly and thriving in hot, dry conditions. Their resistance to chemical [...] enemies or pollinators. No resistance development: unlike chemical pesticides, pests do not develop resistance to natural predators. No residue: supporting growers

• Buckthorn-potato aphid

  Aphis nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large number [...] which can cause growth retardation. Buckthorn- potato aphid does not cause plant deformation. The major problem in potatoes is the transmission of viruses [...] produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn, winged males and females are produced

• Phytoseiulus persimilis

  control. Phytoseiulus persimilis for pest control Phytoseiulus persimilis is used for the control of the following pests: Spider mites Phytoseiulus persimilis [...] volatiles emitted by damaged plants. Phytoseiid mites have no eyes and therefore rely on volatiles released by damaged plants and their tactile sense to [...] climate, crop and pest density and should always be adjusted to the particular situation. Release should be repeated biweekly if the pest is not controlled

• Aphelinus abdominalis

  Aphelinus abdominalis is used for the biological control of the following pests: Potato aphid ( Macrosiphum euphorbiae ) Glasshouse potato aphid ( Aulacorthum [...] wasp is available in a bottle ( Aphilin ). Release mummies near infested plants, because Aphelinus abdominalis is not very mobile Spread material on rock [...] to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.25-4 per m 2 /release

• European red mite

  ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally [...] the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn.

• Pea and Bean Weevil Trap

  monitoring pea and bean weevil in combination with species-specific pheromone. Pests Pea and bean weevil ( Sitona lineatus ). Crops Broad bean, peas. Mode of [...] traps 10 meters apart on a grass margin or headland of a field that was planted with peas or beans in the previous year Place the trap on the ground Ensure [...] Dosage Five traps per field location. Timing Pea and bean weevil is an early pest that affects spring-sown crops of peas and beans. Traps should be placed

• Mirical-N

  Pests Two-spotted spider mite ( Tetranychus urticae ). Crops Especially tomato (can cause damage to other plants). Mode of action The predatory bugs actively [...] after application Dosage The dosage of Mirical-N depends on climate, crop and pest density and should always be adjusted to the particular situation. Use for