Greenhouse whitefly

development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty [...] larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and secreting [...] develop on the leaves, reducing photosynthesis and transpiration. Viruses can be transmitted. The consumption of plant sap and secreting of honeydew by whiteflies

Pine processionary moth

conditions, but the fourth and fifth instars may be prolonged in the winter. The pupal stage can be prolonged considerably by diapause. A few hours after [...] n damage is extremely serious in young reforested areas where it may lead to death of trees, directly or as a consequence of attack by bark beetles or [...] instar onwards, which may cause allergies. Domestic and farm animals may also be affected. These effects occur not only when the caterpillars are present,

Cryptolaemus montrouzieri

i prefers mealybugs, this species is known to be a polyphagous predator. Sometimes other insects related to mealybugs are eaten, such as soft scales or [...] Sometimes the larvae resort to cannibalism under these conditions. At a temperature of 21°C, during the whole period of its development to adult beetle, a larva [...] consuming up to 30 mealybugs per day. 226 Beetles and larvae are most active in sunny conditions. Above 33°C their searching behaviour comes to a standstill

Tomato looper

distinct. The antennae are long and thin. The eggs are white to pale green, shiny, dome-shaped with 28 to 32 vertical ribs. They are deposited singly or in pairs [...] however, it can also be found in the soil. The pupa has a pale green body, with a dark brown ventral dorsal stripe, but the body can also be entirely brown. [...] golden twin-spot moth or tomato looper ( Chrysodeixis chalcites ) belongs to the family of Noctuidae . It is a tropical and subtropical species originating

Potato aphid

sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] usually green, but may also be pink or red (especially in tomato), depending on the food source. Even the winged forms can be red. Wingless potato aphids [...] of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season,

Rophoria

close to flowers. Protect from direct sunlight or rain. Dosage The dosage of Rophoria depends on climate, crop and aphid density and should always be adjusted [...] adjusted to the particular situation. Start introduction preventatively, or as soon as the first aphids are detected in the crop. Introduction rates typically [...] typically range from 200-600 pupae per ha/release. Releases should be repeated a number of times. Consult a Koppert advisor or recognised distributor for advice

Syrphidend

Syrphidend depends on climate, crop and aphid density and should always be adjusted to the particular situation. Start introduction preventatively or as soon [...] carboard box. Hang the open box vertically on the plants, preferably close to flowers. Protect from direct sunlight or rain. Dosage The dosage of Syrphidend [...] rates typically range from 100-600 pupae per ha/release. Releases should be repeated a number of times. Consult a Koppert advisor or recognised distributor

Carrot

vegetable and comes in a variety of colours, ranging from the regular orange to black and purple, but also red, yellow and white. The carrots which are produced [...] produced nowadays derive from the wild carrot, Daucus carota , indigenous to Europe and southwestern Asia. The carrot plant presumably comes from Persia [...] Persia and was originally produced for its seeds and leaves. Carrots can be classified as hardy biennials and are grown as annuals. Carrots can vary greatly

Chili pepper

acrid, their shape is ellipsoid-conical to lanceolate. The fruit (the peppers) usually develop from a pale yellow to a bright red when ripe. Varieties can [...] species Capsicum annuum . The pepper cultivars of Capsicum frutescens can both be annual or perennial (short-lived) plants. The plant’s flowers are white and

Tutasan

needs to be used in combination with Pherodis pheromone dispensers. The dispensers release a species-specific pheromone which lures the male moths to the [...] by females who fail to mate. Presentation One trap. Preparation Place the pheromone dispenser in the green canister and attach it to the upper central part [...] part of the trap Fill the trap with water to the level indicated If possible connect the trap to a dripper and make sure the water drips properly into