Cabbage leafroller

into the plant: young caterpillars eat a path from an opening bud to the growing tip, while older caterpillars eat a hole in the shoot and hollow it out [...] native to North-West Europe. It is a highly polyphagous species causing damage to field grown cabbage, apple, pear as well as maple, popular, spruce and many [...] cabbage leafroller has also become a pest in greenhouse crops. Great damage can be inflicted on ornamental crops, such as roses, alstroemeria, azalea, cyclamen

Cryptolaemus montrouzieri

beetle Cryptolaemus montrouzieri is a species of beetle belonging to the family Coccinellidae. The beneficial insect is a small but highly effective predator [...] under these conditions. At a temperature of 21°C, during the whole period of its development to adult beetle, a larva eats more than 25 second and third [...] beetle Cryptolaemus montrouzieri , the mealybug destroyer, when using this predatory beetle as a pest control agent by observing their unique characteristics

Feltiella acarisuga

mite density and should always be adjusted to the situation. Start introduction as soon as the first spider mites are detected in the crop. Introduction [...] various life stages of the predatory gall midge, Feltiella acarisuga , when employing it as a biocontrol agent through careful observation of specific characteristics [...] appear on the body. A fully grown larva is about 2 mm long. At the end of the last larval stage, the larva spins a white cocoon near a leaf vein and pupates

Stable fly

front legs. The flies become an economic concern when the average number per leg is as low as two. When populations are very large (> 25 flies/leg), the [...] Stomoxys , Latin for “sharp mouth”; a fitting moniker, as these flies are the only members of the Muscidae family that feed on mammalian blood (particularly [...] even having a four-striped thorax. However, they are light grey in colour; they have a broader abdomen that displays several dark spots in a “checkerboard”

Pepino mosaic virus

(PepMV) is a single-stranded RNA-virus (Potexvirus genus, Fexiviridae family) that was originally isolated from pepino ( Solanum muricatum ), a South American [...] problems in tomato cultivation, other plants of the Solanaceae family (night shade family) such as eggplant, black nightshade, some potato and pepper varieties [...] apple) and Physalis (e.g. Physalis floridana ) can also act as a host. Damage symptoms The impact of a PepMV infection for the tomato grower is variable. Several

Entonem keeps young orchids free from fungus gnats

operate a zero-tolerance policy. To make it possible for them to start with a clean plant, we maximize our use of biological plant protection, with a strong [...] young plants in a fine mist. This is followed by a second fine mist to rinse off nematodes that are on the leaves. A while later, I collect a few drops of [...] the high side. It is better to use a little too much than not enough; infestations must always be prevented as much as possible. We certainly don’t skimp

Grower Koen - Embracing biological crop protection in agriculture

decided to find a balance between both approaches. This way of working allows him to gain experience in using biological crop protection . As a result, he acquires [...] consumers eat are safe. Future of biological crop protection Koen advocates for a cautious approach, carefully examining effectiveness when it comes to [...] acquires a lot of knowledge and is prepared to fully transition to biological crop protection when the government decides that certain traditional methods

Cabbage moth

brassicae) is a highly polyphagous defoliator. Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them crops such as sweet pepper [...] tomato, strawberry, lettuce, beetroot, onion, rhubarb as well as chrysanthemum and carnation. It is a species found in Europe, North Africa (Libya, Canary [...] becoming steadily darker until they are a brown-black or sometimes even a purple colour. They are ridged and have a light network of markings. First instar

Potato aphid

Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual [...] asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids [...] but is these days distributed throughout the world. It is a highly polyphagous species with a preference for Solanaceae (particularly potato), but has also

Tomato leaf miner

plants can be completely destroyed as a result of the direct damage caused by leaf miners. Indirect damage arises when disease causing fungi or bacteria [...] are transparent white, older larvae have a yellow head. When the larva hatches from the egg, it begins to eat into the leaf at once, tunnelling down into [...] emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours.