• Impatiens thrips

  having spread to many countries within the last 30 years. The thrips have mostly been able to spread as a consequence of the trade in foliage plants. Impatiens [...] can be seen as discolouration of older leaves at the bottom of the plant. Life cycle and appearance of Impatiens thrips Impatiens thrips (Echinothrips [...] wings are white at the base. This colouration distinguishes the species from most other thrips species commonly found in greenhouses.

• Asian citrus psyllid

  after mating and adults live for several months. Females psyllids lay more than 800 eggs during their life cycle. Recommended for you Plant Pests [...] disease is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it has spread through most of the southern states [...] states and Mexico however the state of Florida is the most affected area by the vectored disease. Damage symptoms The psyllid is a sucking insect that inserts

• Koppert celebrates 50th anniversary

  January 8, 2018

  role in recent years, which has had a negative impact on soil life. This needs to change, and fungi and bacteria can really help to drive this,’ says Paul [...] The anniversary will be celebrated with various activities over the year. For instance, the family company is organising an open day at its headquarters [...] has grown to become the global market leader in biological crop protection for protected crops. Since founder Jan Koppert first began using the predatory

• Western flower thrips

  The western flower thrips (Frankliniella occidentalis) is the most important vector for both tomato spotted wilt virus (TSWV) and impatiens necrotic spot [...] General The western flower thrips (Frankliniella occidentalis) is currently the most damaging thrips species in many greenhouse crops. The western flower thrips [...] of plants, and often a single host plant may be infected by both viruses. Life cycle and appearance of Western flower thrips The western flower thrips

• Leaf miners

  patterns cause visible leaf damage, lower crop quality and can open the way for secondary infections. Effective leaf miner control is essential to protect [...] activity and support timely intervention. With Koppert’s biological solutions for leaf miners, professional growers can keep infestations under control, maintain [...] maintain crop quality and support sustainable crop production. Solutions for leaf miner control Learn more about What are leaf miners? Leaf miners belong

• Predatory mites

  Koppert products for advice on the best strategy for your situation. Our global resellers Predatory mite life cycle and appearance The life cycle of predatory [...] mites at every stage of their life cycle. Predatory mites for thrips Several predatory mite species are commonly used for the control of thrips. Neoseiulus [...] generalist predatory mites which are also used for the control of thrips. Predatory mites for whitefly For the control of whitefly, predatory mites are highly

• Red palm weevil

  this tissue, making it easier for adult weevils to lay eggs deeper into the tissue. Additionally, this provides entry points for microbial agents that can [...] done before these later stages when detection becomes easier, can suffice for palms to die. Females lay eggs individually into soft tissues mainly at the [...] the base of living fronds. Larvae are present and feed in the softest and most humid living tissues (growth areas) with a low to moderate proportion of

• Mealybugs and scales

  render the product unfit for sale. A very small population can thus cause considerable loss of value. Soft scales feed mostly on leaves and twigs, causing [...] detection and population monitoring. With Koppert’s biological solutions for mealybugs and scales, professional growers can achieve effective pest management [...] management, protect crop quality, and promote sustainable production. Solutions for mealybug and scale control Learn more about What are mealybugs & scales? Mealybugs

• Downy mildew of Cucurbits

  the stomata or directly by penetrating the cuticula. For germination free water is required. For most downy mildews, the optimum temperature is around 15 [...] pumpkin, watermelon and squash. Damage symptoms Downy mildew pathogens infect mostly the leaves but occasionally also stems and fruits. They cause lesions on [...] is actually the sporulation of the pathogens extruding from the stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not

• Heidi Doering Cited As Integrated Plant Health Expert

  May 18, 2026

  garden mums. One of the most well-informed plant experts of the day regarding ornamental IPM, Heidi has worked for Koppert for the past decade. Her broad [...] chemical crop protection to biological or hybrid systems, and the defining change in mindset from reactive intervention to proactive, or preventive, pest