• Nutari

  sprinkling on the leaves by hand or with an Air(o)bug Large heaps of carrier material may cause leaf damage, so make sure the material is distributed as a thin [...] introduction together with the first predatory mite release. Apply 1000 - 5000 mites/m 2 per release. Consult a Koppert advisor or a recognized distributor [...] , Transeius montdorensis ) in the beginning of the season and at low prey densities. Mode of action When density of the target pest is low and there is

• Green potted plants

  into a decorative indoor object. The plant itself is a perennial, herbaceous plant with a straight stem. Croton belongs to the spurge family of Euphorbiaceae [...] hia is a very popular ornamental plant and usually sold as houseplant. The leaves of the Dieffenbachia have white spots and specks and turn the plant into [...] attractive foliage, flowers and ornate red fruits. These plants grow in the shade and need a moist, well-drained, humus-rich soils. Skimmia plants are strong

• Northern Corn Rootworm

  feed on the foliage, pollen, silks and developing kernels of corn, with the following consequences: When corn silks are cut all the way back to the ear and [...] populations are high, the insects can interfere with pollination and germination to the point that ears are completely barren or only bear a few kernels. Larval [...] diapause; the eggs of “semivoltine” Diabrotica barberi remain dormant in the soil for two winters. This allows the larvae to effectively skip the field’s

• Sciarid flies

  of Sciarid flies The life cycle of sciarid flies has the following stages: egg, four larval instars, a pupal instar, and the adult. The adult insects are [...] grey-black flies with long antennae. They have relatively long legs, and the wings show very clear venation. The fly has a small head equipped with sucking mouth [...] damage is the immediate result of larvae feeding on the roots. The larvae feed mainly on decaying plant material and on algae and fungi present in the soil

• Phytoseiulus persimilis

  spider mites , but has a preference for eggs. The predatory mites pierce the prey with their mouthparts and suck out the contents. The adult Phytoseiulus [...] on spider mites. The quantity of prey consumed depends on the predator and prey populations, the sex and age of the predator, and the temperature and relative [...] webbing. It can move within the web with ease. This has the advantage that an outbreak is quickly and effectively dealt with, but the disadvantage is that it

• European corn borer

  brown to brownish and dark spots with a pale centre at the base of the hairs. The head is brown to brownish black. The pupae are up to 2 cm long and light [...] in June. The eggs are laid mainly on the underside of leaves. The larvae initially feed on the leaves and then bore into the upper part of the maize plants [...] just before hatching. The eggs are laid in a mass and overlap like tiles on a roof. The average number of eggs per egg mass is 30. The larvae are up to 25

• Mycotal

  and stir into a slurry Fill the spray tank with the required amount of water Empty the slurry into the spray tank and stir thoroughly Add the correct amount [...] coverage is essential for the best results. Direct the spray onto the underside of the leaves and to the growing points. Agitate the spray solution continuously [...] spraying Mycotal, the spores germinate and grow to hyphae that penetrate the pest's body cavity. Here they proliferate and destroy the tissues. The fungus then

• Buckthorn-potato aphid

  General The buckthorn- potato aphid , Aphis nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits [...] deformation. The major problem in potatoes is the transmission of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life [...] cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized

• Black vine weevil

  It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots. After the roots have been [...] hatch have a white, translucent to pinkish body and a reddish brown head. These larvae live in the root zone in the soil where they feed on the roots. They [...] cuttings. The adult beetles are only active at night, taking round bites out of the leaves, starting from the edge. This damage is usually not a problem

• Tarnished plant bug

  per year. The eggs of Lygus lineolaris are about 1 mm long, shaped like a thin, slightly-curved flask, truncated with a flat cap from which the nymph emerges [...] piercing them with their needle-like mouthparts, injecting enzyme-filled saliva to break down the plant tissue and sucking out the contents. The following [...] General The lygus bug (or tarnished plant bug) is native to North America, and it is especially common across the eastern half of the continent, from northern