• Thrips

  species can cause problems in agriculture and horticulture. Thrips are small insects (0.5-14 mm), with the largest species found in the tropics. In temperate [...] also reduced by loss of chlorophyll. With a serious infestation the leaves themselves can shrivel, and there can be varying levels of fruit damage depending [...] nematodes target pupae in the soil. Sticky traps and kairomones support early detection and population reduction. Beneficial fungi can provide an additional

• 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 [...] and sometimes this can occur on such a scale that growth, particularly of young cuttings, can be retarded. Fly control videos Take a look at the video or [...] are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation. Species that can cause damage or nuisance, are p

• Sciarid flies

  larvae can grow to 5 to 12 mm in length and 0.5 to 1.5 mm in diameter. They are legless and have a conspicuous black head. The head is equipped with biti [...] areas in dark places, with a lot of organic material. They occur the whole year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white in colour [...] cultivation where they can cause enormous damage. Sciarid flies are usually found in damp, humid environments, and appear very commonly in greenhouses throughout

• Aphidoletes aphidimyza

  is available in bottle ( Aphidend ). Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the [...] optimal conditions for oviposition. Apply Aphidoletes aphidimyza in an environment with a high relative humidity (> 70%) to get the best results. Feeding [...] aphid colony, finding prey for the newly hatched larvae is normally not difficult. When a gall midge larva attacks an aphid, it injects a paralyzing toxin

• Green peach aphid

  is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous aphid with summer [...] 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 [...] is sexual, the aphids lay eggs that overwinter. In greenhouses reproduction also takes place by parthenogenesis, with unfertilized viviparous females

• FAQ Nezapar

  of 4x4 cm with a hook with which it can be hung in a plant, and in which Nezapar can be released. Install Dibox in such a way that the boxes are protected [...] Monitor predation in the Diboxes by ants and mice that may interfere with the hatching of adult Trissolcus basalis. What is a Dibox? A Dibox is a carton box of [...] accordingly. If I find an egg package, how can I tell if Trissolcus or Nezara emerged? Check the edges of the eggs (with a loupe). If they have a nice round edge

• Greenhouse whitefly

  retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The [...] symptoms 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 [...] the excess is excreted as honeydew, with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking out

• Citrus thrips

  mature, hard foliage. They feed most often in narrow crevices created by folds in leaves or under the calyx of a fruit due to their thigmotactic behaviour [...] the weather is colder, the life cycle can be 45 days. Eggs are laid in soft leaf tissues or young fruit and can take 6-24 days to hatch depending on t [...] various localities in South Africa and is indigenous. It occurs throughout Southern Africa, East Africa, Egypt and Yemen. Citrus thrips can survive on many

• Cottony cushion scale

  discovered in greenhouses in temperate regions, but is not generally a pest in these situations. Damage symptoms Cottony cushion scale is a particular [...] have originated in Australia. It was accidentally introduced to California in about 1868 and devastated the citrus industry there until a natural enemy from [...] from the body. On reaching maturity, the ‘female’ produces a white, fluted, wax ovisac with a series of uniform ridges running lengthwise over the surface