• 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.

• Neoseiulus californicus

  effectively over the longer term. Neoseiulus californicus for pest control Neoseiulus californicus is used for the control of the following pests: Spider mites [...] to await the arrival of new prey. Life cycle of Neoseiulus californicus The developmental stages are the same as for other members of the Phytoseiidae [...] food supply has been absent for some time, they become thinner and a uniformly light transparent colour. Best conditions for use of Neoseiulus californicus

• Garden chafer

  and developing fruits of, for instance, roses and cherries. Damage symptoms The garden chafer ( Phyllopertha horticola ) does most of its damage in the larval [...] crops but reduces the value of ornamental plants. Life cycle and appearance of Garden chafer The life cycle of the garden chafer ( Phyllopertha horticola [...] Phyllopertha horticola ) is a beetle from the Scarabaeidae family. It does most of its damage in the larval stage when it feeds on roots of grasses and clover

• Ornamental Breeder at Floranova Relies on Biological Control

  July 22, 2022

  producing plants for breeding creates some unique crop protection challenges. “I think there are higher pressures on the plants as they are on site for a longer [...] issue we need to get on top of.” Thrips are a prominent pest for Peter The biggest pest issue for Floranova is thrips , along with sciarid flies and, increasingly [...] susceptible to certain pests,” comments Peter . “For example, peppers and aubergines are magnets for thrips . The biological controls work well on them

• Getting a head start - The importance of scouting in winter

  January 31, 2025

  undergoes significant changes as the seasons shift from winter to early spring. For growers, this transition is not just about preparing for planting; it is [...] conditions for beneficials: Scouting helps determine the best timing and environmental conditions for releasing biological control agents. For example, [...] is also a critical time for pest and disease management. Effective scouting during these months is essential for early detection and management. Understanding

• Transforming crop protection: the rise of predatory mites

  July 21, 2025

  A passion for insects – and a new beginning in Almeria After studying biology in Granada with a focus on entomology, José moved to Almeria for family reasons [...] to be part of that.” The Swirskii breakthrough that changed everything One of his earliest and most impactful projects at Koppert was the introduction of [...] and Orius . It was a turning point. “For the first time, predatory mites offered a working, scalable solution for growers - and it triggered a real shift

• May beetle

  this subfamily contains a number of species which cause damage to crops, the most representative genus is the Phyllophaga . Given the external physical si [...] final abdominal segment is needed, although this is not a method which works for all species. They can best be identified based on examination of the male [...] While the younger larvae are relatively harmless, the older larvae are the most aggressive. In early spring they either start feeding again or when the larvae

• 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

• Fusarium head blight or scab

  Some also produce ascospores. In general, most Fusarium specieshave a similar life cycle. Fusarium overwinters for many years in the soil and on crop residues [...] (fusarium head blight wheat) and post-harvest decay. Life cycle and appearance of Fusarium head blight or scab Most Fusarium species only make asexual spores. Some [...] takes place as infection of the roots at the root tip or in small wounds, for example where lateral roots branch off from the tap root. Gibberella zeae

• 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