• Geranium aphid

  peak in June. Winged aphids are formed from May onwards and are responsible for spreading the infestation to other strawberry plants. Acyrthosiphon malvae [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] eggs to overwinter) and monoecious (i.e. they do not change their host plant for overwintering). Wingless females are green or yellow green, often shiny with

• Flowering potted plants

  Hibiscus is well known for its large, ornate flowers which are trumpet-shaped. These flowers have five or more petals and their colour varies from white to [...] plants, the most common species are: Poinsettia is well known and popular for its large red, white and green leaves, especially around Christmas. Begonia

• Tomato leafminer

  The eggs of the tomato leaf miner ( Tuta absoluta ) are cylindrical. Their colour varies from creamy white to bright yellow, darkening in the embryonic phase [...] absoluta ) are lighter than the feeding larvae and have a typical pink colouration on the dorsal surface. Caterpillars can temporarily be found outside the [...] are nocturnal and usually hide between leaves during the day. Recommended for you Macrolophus pygmaeus Plant Pests

• Pepper weevil

  appearance of the pepper weevil Newly hatched adults have a light brown colour, with an oval body measuring 2 to 3.5 mm in length, and over time they turn [...] be used later when it begins its metamorphosis. It develops a shiny white colour and eyes which are yellow at first, and become darker after a few days;

• Bacterial soft rot, bacterial stem rot

  slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions first are small and sunken, water-soaked and light [...] carotovora or Pectobacterium carovora infects plants through fresh wounds, for example pruning wounds. It cannot infect healthy green leaves, but can grow [...] petiole to the main stem through the xylem vessels. High humidity is required for disease development. Erwinia carotovora subsp. carotovora or Pectobacterium

• Glume blotch

  (RH). The optimum temperature for germination of the conidia is between 20 and 25 °C. The ascospores are responsible for wind dispersal of the fungus over [...] light halo on leaves, stems and glumes. In the centre of the lesions, light-coloured translucent pycnidia (fruiting bodies) with new spores occur. The lesions [...] above freezing when water is available. Conidia require a minimum of 5 °C for germination. Primary infection is mostly by ascospores or conidia on the oldest

• Blackcurrant aphid

  cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized

• Blueberry aphid

  cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] September and October and the sexual females lay eggs on blueberry bushes for overwintering.

• Anagyrus vladimiri

  recognized distributor of Koppert products for advice on the best strategy for your situation. Best conditions for Anagyrus vladimiri The parasitic wasp Anagyrus [...] particularly effective for mealybug control, a common pest affecting various crops. The natural enemy Anagyrus vladimiri is used for the control of the following [...] length and black in colour. Anagyrus vladimiri is arrhenotokous; virgin females produce male offspring only. The preferred hosts for the parasitic wasp

• Buckthorn-potato aphid

  it also transmits viruses. It also attacks a large number of other crops, for instance sweet pepper, tomato, aubergine, strawberries and gerbera and worldwide [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] produced, which return to the primary host buckthorn where they lay eggs for overwintering.