• Apple rosy aphid

  blotches on the skin. Life cycle and appearance of Rosy apple aphid Aphids have a complex life cycle, with both winged and wingless forms of adults, and a great [...] premature leaf fall and death of shoots. Fruits from infested trusses are small and malformed and ripen prematurely. Feeding of aphids directly on fruits causes [...] viviparous (wingless) females of the rosy apple aphid are 2.1-2.6 mm long and pink to dark bluish grey, with a powdering of white wax. The siphunculi are

• Yellow rose aphid

  also a vector of several viruses attacking strawberries and roses. Life cycle and appearance of Yellow rose aphid Aphids have a complex life cycle, with [...] probably of North American origin but is now widely distributed in Europe, North Africa, parts of Asia and South America. It attacks plants of the family [...] North America (i.e. they mate in autumn and produce eggs to overwinter). It is also holocyclic in parts of Europe, whereas throughout most of the world it

• Capyphor

  Capyphor can be used for biological control of larvae of weevils and other beetles in a wide range of crops. Pests Beetles ( Coleoptera ): Weevils ( C [...] contents of the bucket into the half-filled spray tank (except when tank mixing with compatible products) Maintain agitation of mixture in the tank (e.g. with [...] required amount of water If tank-mixing with a compatible product, add Capyphor at the end to a fully-filled tank Apply directly after preparation of the spray

• Long-tailed mealybug

  range of host plants of Pseudococcus longispinus is less extensive than that of the citrus mealy bug but it nevertheless encompasses many species of (ornamental) [...] an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] filaments, which are at least the length of the body itself. The length of the other filaments is roughly half the width of the body. The female is 3 - 4 mm long

• Tobacco aphid

  transmit viruses. Life cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great [...] therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] they are also capable of dispersing through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the

• Orius laevigatus

  adults are mainly found in flowers. Life cycle of Orius laevigatus You can recognize the different life stages of the predatory bug Orius laevigatus when [...] inspecting plants and noting the presence of these life stages, growers can effectively monitor the population dynamics of Orius laevigatus and assess their impact [...] systems. Both adults and nymphs of Orius laevigatus are voracious predators, adept at piercing and feeding on the soft bodies of their prey. The predatory bug

• Cotton aphid

  affecting production. Life cycle and appearance of Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great [...] therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to

• Roots Growers positive about Mycotal against whitefly

  We used the same dosage of Enermix in the three test plots, and slightly higher dosages of the predatory bug. As a result of that choice, we’ve yet to [...] more effective at killing off pests. Longer shelf life We were also able to increase the shelf life of Mycotal by adjusting the production process. We are [...] year, we have very little leeway in terms of spraying frequency. We therefore need to leverage the full potential of biological plant protection.’ To combat

• Garden chafer

  ornamental plants. Life cycle and appearance of Garden chafer The life cycle of the garden chafer ( Phyllopertha horticola ) has the following stages: egg, 3 larval [...] family. It does most of its damage in the larval stage when it feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut [...] and developing fruits of, for instance, roses and cherries. Damage symptoms The garden chafer ( Phyllopertha horticola ) does most of its damage in the larval

• Loose smut of barley

  first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown smut spores. Life cycle and [...] and appearance of Loose smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop [...] affects barley and can destroy a large proportion of the crop. It is also known as barley smut, or loose smut of barley. Damage symptoms Infection by Ustilago