Box tree moth

brown with a dark pattern towards the end of pupation. There are two variants of adults. The most common one is mostly iridescent white with a dark brown [...] margin and a characteristic white spot on the forewing, while the other is mostly light brown with a white spot on the forewings. The adult moths are good [...] 20 eggs in a translucent gelatinous mass on the leaves of box trees. The light green larvae have black stripes with white dots and hairs and a black head

Shallot aphid

shallot aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction [...] overwintering and there is no sexual stage in the life cycle. No eggs are produced. Myzus ascalonicus is cold hardy and overwinters in sheltered places [...] The shallot aphid is cosmopolitan and widely spread in Europe. Damage symptoms Feeding of shallot aphid on strawberries invokes a strong host plant reaction

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

Aphidius colemani

nymphs and adult aphids will produce offspring for two more days, but if an aphid is parasitized in a younger stage there will be no reproduction. A male wasp [...] longer antennae, a rounded abdomen that is shorter than the wings, and is black with dark brown legs. A female has a more pointed abdomen that is as long as [...] effectiveness in controlling aphid populations in various agricultural and horticultural environments. Aphidius colemani is widely used in the biological

Two-spotted spider mite

spider mite populations in check. Especially predatory mites in sachets are a good preventative measure as the sachets enable a continuous supply of predatory [...] smaller and more active than the females, with a body that is narrower and more pointed at the rear. Colour is very variable: from light yellow or orange to [...] two-spotted spider mites? Two-spotted spider mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are

Pierce's disease of grapevine

depends on the plant species: in peach, bacteria are found in high numbers in the roots, whereas in plum, high numbers are found in leaves and fruits. The bacteria [...] with frost periods in which the bacteria inside the dormant plants die. Also, in many regions there is no overwintering of adult vectors that may cause [...] Recently, it is becoming more problematic in olive. Damage symptoms Grapevines: Primary infection of leaves results in leaf scorch. Part of a green leaf

Nematodes significantly reduce Tuta larvae

larvae in his crop. ‘This is the first year we have applied Steinernema feltiae and after the first cycle of three nematode treatments, we saw a reduction [...] greenhouses in the ‘90s for growing tomatoes using innovative production techniques. ‘Today, this allows us to offer a consistent quality that is safe and [...] continues. ‘It is better to use them when the larvae are small in order to maximize their effect. When the moment comes, we apply them 3 times at a 5-day interval

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

Spotted Wing Drosophila

SWD females by a large dark spot on each wing, where their common name is derived from. Females have a strong saw-like ovipositor that is used to penetrate [...] the start of its invasion in 2008/2009, the spotted wing drosophila, which is originally from Asia, has spread extensively in North and South America and [...] and appearance of Spotted wing drosophila Adult spotted-wing drosophila are small, 2-3 mm in lengthg, and have a wingspan of 6-8 mm. Males are smaller than

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