Diglyphus isaea

from the mine. This is also seen in the pillars that remain visible as black spots in the leaf. The adult is metallic green to black in colour and unlike [...] wasp Diglyphus isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning or in the evening The dosage [...] Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera . It is widely recognized for its role as a biological

Spider mites and other mites

such webs in which the mites live. The webbing and spotting on the leaves affect the appearance of the crop. This is of particular concern in ornamental [...] capacity. There are more than 1200 species worldwide, many of them are common crop pests. The two-spotted spider mite , Tetranychus urticae , is by far the [...] the most important species in greenhouses and many outdoor crops. Spider mite damage Larvae, nymphs and adults cause damage to the host plant by feeding

Citrus mealybug

effect is a reduction of photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order [...] yellow to pink body is visible through its waxy covering. There is often a darker longitudinal stripe running over the body. The adult males are short lived [...] filaments. Their sole task is to fertilize the females and as soon as a male emerges from its cocoon, it goes in search of a female. A fertilized female lays

Diamond back moth

species. It is highly migratory and wind-borne adults can travel long distances to invade crops in other regions. Damage symptoms The caterpillar is a surface [...] xylostella) is suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous hosts exist and it is considered [...] stems or petioles. There are four larval instars. The body tapers at both ends and is green, sometimes suffused with pale yellow, with a few short hairs and

Flies

and shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although [...] are mostly found in the soil. The spotted wing drosophila, Drosophila suzukii , has recently developed into a major pest on soft fruits in Europe and North [...] Diptera Flies What are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation. Species that can cause damage

Potato/tomato psyllid

Overview It is a pest of huge economic importance, which initially affected potatoes and in recent years has become a problem for other Solanaceae crops [...] Liberibacter is considered a quarantine pest. Damage symptoms The main direct damage, caused by potato psyllid nymphs when feeding, is known as ‘psyllid [...] and there are no ‘solutions’ or ‘cures’ for the problems caused. Psyllids spread purple-top disease in potatoes and permanent yellowing disease in tomatoes

Precautionary measures for product allergies

respiratory equipment with a P3 filter as a minimum, but preferably a full mask with a P3 filter. Exposure via skin If there is a risk of exposure via your [...] diagnose or treat a health-related problem, as it is not a substitute for medical care. If you have or suspect you have a health problem, consult a doctor. This [...] and take them home in a closed plastic bag. Moistening the clothes in the bag prevents allergens and other particles from dispersing in the air when you

Phytoseiulus persimilis

outbreak is quickly and effectively dealt with, but the disadvantage is that it disappears rapidly in the absence of suitable prey. When prey is in short [...] deutonymph and adult, except for the resting period in the larval and nymphal stages. On plants, the oval eggs are usually deposited close to, or in a spider mite [...] deutonymphal and adult stages the mites feed almost continuously. Protonymphs and deutonymphs are similar to the adults in appearance, but smaller in size. Best

Leek

. The plant is usually sold as a small seedling and planted in a greenhouse. Later on, as weather permits, the leek is planted outside in the soil. Once [...] plant that can be eaten is at times erroneously called a stem or stalk. This part is actually a bundle of leaf sheaths. This bundle is blanched by putting [...] Once outside, the plant is rather hardy and many varieties can be left in the soil during winter and harvested when there is a need for them.

Neoseiulus cucumeris

thrips larvae. Neoseiulus cucumeris is a valuable solution in integrated pest management (IPM) strategies, where it acts as a natural enemy to help control thrips [...] mite Neoseiulus cucumeris is also available in breeding sachets ( Thripex -Plus). In this case the predatory mites multiply in the sachet and disperse into [...] They also feed on pollen, which is useful for instance in sweet pepper crops as the predatory mite can establish itself in the crop before the pest appears