Ercal

000 pupae. Presentation Cardboard strips with 5 cards each, wrapped in plastic, in a cardboard box, each card holds 60 parasitized whitefly pupae. Carrier [...] control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Enermix . Consult a Koppert advisor or a recognized [...] 20°C/68°F. Eretmocerus eremicus is still active at temperatures above 30°C/86°F. Combined use Ercal is best to be used in combination with generalist predatory

Municipality Enschede: Entonem nematodes against oak processionary caterpillar

nematode product Entonem in locations where we find a range of unusual butterflies and moths. As we only do this at an early stage, there is no secondary effect [...] the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar. The municipality’s built-up area has a total of 22,000 [...] 000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink explains, it was not enough. She is the project manager

Enermix

000 pupae. Presentation Cardboard strips with 5 cards each, wrapped in plastic, in a cardboard box, each card holds 60 parasitized whitefly pupae, 30 E [...] control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Ercal . Consult a Koppert advisor or a recognized [...] 20°C/68°F. Eretmocerus eremicus is still active at temperatures above 30°C/86°F. Combined use Enermix is best to be used in combination with generalist predatory

Encarsia formosa

y 0.6 mm long, with a head that is dark brown to black in colour, a dark brown to black thorax, and a yellow abdomen. The male is entirely black. [...] transparent to brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with the [...] Encarsia formosa is a parasitic wasp belonging to the family Aphelinidae , widely recognized for its role in biological control, particularly in the management

Corn earworm

instars, over a total period of two to three weeks, developing a greyish colour and a black cephalic capsule in the first stage, but later adopting a variety [...] to five months in areas with very cold winters. The pupae measure around 18 mm and have a slightly shiny brown colour. The adults have a brown-coloured [...] body, with a wingspan of 35 to 40 mm and a dark stripe on the side edge of the forewings and hindwings; they live for around two and a half weeks.

Rhizoctonia solani

fungus, only the mycelium is important in this context. Thanatephorus cucumeris is a soil-inhabiting fungus, that is very persistent in the soil. It overwinters [...] ff’), both before and after emergence. A typical symptom of root infection is that the taproot is reduced to a thread. Reddish-brown lesions occur on the [...] Optimum temperature for infection is between 15 and 18 °C, but infection still occurs at 35 °C. Disease is most severe in a moderately wet soil. On the infected

Stable fly

However, they are light grey in colour; they have a broader abdomen that displays several dark spots in a “checkerboard” pattern; and, most significantly, they [...] and pigs to a lesser extent). Although they are extremely common and exist worldwide, it is believed they first originated somewhere in Eurasia. Stable [...] appearance of the Stable fly Adult stable flies are between 5–7 mm in size and largely resemble the house fly , even having a four-striped thorax. However

Beneficial Nematodes against Horticultural Pests

person. If a specific pest is not mentioned in this document, it doesn’t necessarily mean it cannot be controlled by nematodes. Koppert is continuously [...] being researched). They are selectively applied to combat a significant variety of pests in a wide range of temperatures, such as the pupae and larvae of [...] Beneficial nematodes in horticultural crops Which nematode controls which pest best? This is an overview of the nematode-pest combinations that have

Powdery mildew

this is where the colonies mostly occur in these crops. In covered roses, the colonies appear first and foremost on the upper side of the leaves. In most [...] General Powdery mildew is a fungal disease that is caused by many different species of fungi such as Erysiphe, Podosphaera, Oïdium, Leveillula. Damage [...] through the stomata and there are more stomata on the underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the

Bugs

Hemiptera Bugs What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial [...] hard, leathery forewings that meet, but do not overlap, in the dorsal midline. Some bugs produce a pungent odour. Heteropteran bugs are hemimetabolous insects [...] nymphal instars and the adult insect. Several species of especially the families Miridae and Pentatomidae are found as pests in agricultural crops. Find