Pepper weevil

ability to cause huge damage. When they are already present on the crop, the best approach is to monitor them during the cooler parts of the day, as this [...] darker after a few days; after three to six days, this stage is fully complete and it becomes an adult. On average, the cycle takes 21 days. Damage symptoms [...] when they are most active. Another recommendation is to inspect the ground as well as the flowers and immature fruit, since they throw themselves to the ground

Two-spotted spider mite

they are capable of very rapidly doing severe damage, due to their great reproductive capacity. There are more than 1200 species worldwide and many of them [...] end. Their colour can vary from orange, light yellow or light green, to dark green, red, brown, or almost black. Males are smaller and more active than [...] cucumbers they are often yellow-brown, on tomatoes they are mainly red-brown). Both males and females usually have two large black spots, giving rise to the common

European red mite

The development from egg to adult goes faster at higher temperatures and takes approximately two weeks at 21°C; therefore there can be many generations in [...] of the family Rosaceae grown in greenhouses. It originates from Europe (as can be seen from the common name, European red mite) but is now distributed [...] growing areas of the world. European Red Mite Control with Predatory Mites How to get rid of European red mite Life cycle and appearance of European red mite

Trianum effectively controls Pythium in cucumber

rockwool cube). He decided to do this in response to his crop’s susceptibility to Pythium. ‘My crop gets 20 hours of light a day, which means it requires [...] don’t want to be faced with another situation like that.’ The crop receives 20 hours of high-intensity light every day, which makes it susceptible to Pythium [...] Cucumber grower Kees Hendriks (Qcumber) explains how his plant protection strategy has moved from integrated to ‘almost’ biological, using fewer and fewer chemicals

Treatment of bumblebee stings and allergies

These days it is possible to take a test using purified bumblebee venom to determine whether you will have an allergic reaction the next time you are stung [...] Huisarts en Wetenschap 2002; 45 (7): 362-7. De Groot, H. Allergy to bumble bees. Curr Opin Allergy Clin Immunol 2006; 6: 294-7. A printed poster showing the [...] and wasp stings Bumblebees are found in the natural environment in many countries. In addition, bumblebees and honeybees are used as pollinators in agricultural

Spidend

Mode of action After emerging from the pupa, adult gall-midges actively search for spider mite colonies and deposit eggs next to the spider mites . Once emerged [...] density and should always be adjusted to the particular situation. Start introduction as soon as the first spider mites are detected in the crop. Introduction [...] l conditions Optimal results are achieved in a humid environment (>80% relative humidity) and at temperatures between 20 and 27°C (68 and 81°F). Combined

Tomato leaf miner

upper side of the leaf. Egg spots are oval and hard to distinguish from feeding spots. Larvae of Liriomyza bryoniae are transparent white, older larvae have [...] emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours. Damage symptoms Leaf miners cause damage to plants [...] General The tomato leaf miner (Liriomyza bryoniae) has many host plants and has caused crop damage in many parts of the world, including North Africa, Europe

Predatory mites

your crop consultant for the frequency of releases. Video: How to use predatory mites How many predatory mites do I need? The dosage and frequency of predatory [...] What are predatory mites? Predatory mites are beneficial arthropods used in pest control to manage and reduce populations of harmful pests in various [...] tiny arthropods are natural enemies of many plant-feeding mites and insects like spider mites , whitefly and thrips . Predatory mites are an essential component

Green peach aphid

insect pest in sweet pepper, tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach [...] When reproduction is asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction [...] different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones

Beneficial Nematodes against Horticultural Pests

together to either partly substitute, and sometimes replace the use of conventional pesticides, to manage pests that are extremely difficult to control [...] Heterorhabditis bacteriophora (and other species/strains are being researched). They are selectively applied to combat a significant variety of pests in a wide [...] seen with the naked eye. As small as they are, they play an important role in the biological control of many pests, keeping fruits, vegetables and ornamental