• Neoseiulus cucumeris

  the crop before the pest appears. The success of predatory mites in controlling thrips is mainly dependent on the size of the prey larvae. Thrips larvae [...] deutonymph and adult. Eggs are laid on the underside of leaves on leaf hairs or in the axils of main and side veins. They are oval, white and have a diameter [...] available in breeding sachets ( Thripex-Plus ). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several

• Citrus mealybug

  problem in greenhouse horticulture, and in the tropics and sub-tropics on outdoor crops. The insect causes damage especially in fruit trees and ornamental [...] damage on the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves [...] secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering them unfit for sale, and the reduced

• Corn earworm

  green ears of corn. The larvae feed on the hairs of the young corn and on the young kernels at the tip of the cob. During the third instar, the larvae turn [...] pepper, and tomato. They primarily feed on flowers and fruit from the host plant, as well as on the corn of immature cobs and ears. Adults of corn earworm are [...] since the cold reduces or halts their development. Damage symptoms The female lays small quantities of eggs, between one and three, in the hairs of green

• Glasshouse potato aphid

  deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] with lumpy leaves and curled leaf margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy [...] colour, and has an overall shiny appearance. Antennae are marked by a number of darker bands, and their length exceeds that of the body. The legs are

• Predatory mites

  chemical pesticides. Koppert is the pioneer in the development of predatory mite solutions, starting in 1967 with the rearing of the predatory mite Phytoseiulus [...] quantity of predatory mites needed based on factors such as the size of your crop and the severity of the pest infestation. Distribution: There are various [...] build up a population in the crop and control pests for a long period of time. Reduced pesticide dependence: The integration of predatory mites can lead

• Eretmocerus eremicus

  instar. The larva then penetrates the host, moulting to the second instar to feed. During the third instar, the larva fills the host pupa, and the pre-pupal [...] pre-pupal stage after the third instar), a pupa, and finally the adult wasp. Females prefer the second and third larval instars of whiteflies for egg-laying [...] inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the

• Entonem keeps young orchids free from fungus gnats

  Heemskerk, the Netherlands and its third location in Assendelft, the Netherlands. One of them is Entonem , the beneficial nematode Steinernema feltiae . Floricultura [...] come out of the packaging and later after spraying. Dennis van der Wel explains, ‘We dampen the potting soil and then spray the nematodes over the young plants [...] Floricultura is a big name in the international orchid market. The company produces young plants of the Phalaenopsis, Cymbidium, Cambria, and Miltonia varieties

• Encarsia formosa

  brown in colour. The pupa of E. formosa is unique among the species of Encarsia , in that it is formed immediately beneath and in contact with the whitefly [...] inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in the [...] inside the whitefly nymphs, which are then consumed from the inside out by the developing larvae. The larvae feed on the internal tissues of the host, leading

• Natupol Excel

  collecting pollen to feed the brood. More workers emerge from the brood in the weeks after the introduction, increasing both colony size and pollination performance [...] be closed. Remove the plastic liner and the sugar water tank from the hive, then place the liner back inside. Seal the entire hive in a plastic bag, remove [...] tomatoes and snack tomatoes, (straw)berries. Mode of action After introduction of the hive, worker bumblebees start pollinating the flowers while at the same

• Cannabis aphid

  flowers and stems to overwinter and produce the next generation of aphids in the spring. In greenhouses, sexual reproduction is very rare and only triggered [...] stripes running the length of the body. The winged forms have a dark head and thorax. Cannabis aphids have long antennae (1.1–2.2 mm) and between these are [...] Colorado in 2016 and is now widespread throughout that state and Oregon. Its range also includes several other states and parts of Canada. The cannabis