• Aphids

  ( tobacco aphid ) on various vegetable and ornamental crops. Aphis gossypii ( cotton aphid ), mainly on Cucurbitaceae, but also on chrysanthemums, and [...] ( potato aphid ), mainly on Solanaceae and various ornamental crops. Aulacorthum solani ( glasshouse potato aphid ), mainly on Solanaceae and various ornamental [...] of which is much larger than the other. For a large part of the season an aphid population consists of viviparous females. As reproduction is asexual,

• Broad mite

  There are species that feed on fungi, algae, plants, as well as insect and mite predators and parasites. Those living on plants can cause considerable [...] cells, secrete substances that disturb local growth. Leaf feeding is mainly concentrated on the underside near the leaf stalk, which tends to cause the leaf [...] stripes forming a fine network on the leaves. In case of a more serious infestation, this network becomes so dense that there is no more green tissue visible

• Pomegranate bacterial blight

  Development of water-soaked spots which turns to dark black colour oily appearance on leaves results in premature defoliation. The pathogen also infects branches [...] causing girdling and cracking symptoms. Necrotic water-soaked spots appearance on the fruits which turn to dark brown colour slightly raised with oily appearance [...] are the main source of inoculum and wind splashed rains plays important role is spread of the disease. Intermittent rainfall followed by cloudy weather favours

• Orius laevigatus

  Effectivity is reduced at temperatures above 30°C (86°F). Feeding behaviour of Orius laevigatus Orius laevigatus is a predator feeding on thrips . The [...] predators, adept at piercing and feeding on the soft bodies of their prey. The predatory bug Orius laevigatus is used for the control of the following pests: [...] enemy Orius laevigatus is available at Koppert as Thripor-L . How to use Orius laevigatus The predatory bug Orius laevigatus is available in a bottle (

• Amblyseius swirskii

  Amblyseius swirskii preys on several other small organisms such as spider mites and tarsonemid mites. They can also feed on pollen, which is useful for instance [...] swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive [...] below 60%. In tomato, use of Amblyseius swirskii is not recommended as it is hindered by the glandular hairs on the stems and leaves and does not build up a

• Oleander aphid

  aphid, is a common pest of several important ornamental plants in the families Apocynaceae and Asclepiadaceae. It is commonly found feeding on oleander [...] bright yellow aphids can easily be seen on the shoots of the host plants. The damage caused by the aphid colonies is mainly aesthetic due to the large amounts [...] oleander and milkweeds ( Asclepias sp.). The oleander aphid is cosmopolitan, and can be found in tropical to warm temperate regions throughout the world. It probably

• Two-spotted spider mite

  nymphs and adults cause damage to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce the cells and suck [...] which the mites live. The webbing and spotting on the leaves affects the appearance of the crop. This is of particular concern in ornamental crops. Life [...] duration can be distinguished. Eggs are usually found on the underside of leaves. They have an oval body that is rounded at the rear end. Their colour can vary

• Cutworms

  these moths usually feed on roots and plant parts close to the ground, thereby often cutting the stems of young plants. This is where their common name [...] from these instars is usually observed as a cutting of young seedlings, often causing death of the cut seedlings. Sometimes wilting is observed because of [...] orange-yellow with a broad dark marginal stripe. The wingspan is about 40-55 mm and the dorsal thorax is covered with close-lying hairs. The eggs are white at

• 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 [...] product in 1967. It is a specialist predator of spider mites and can control spider mite infestations very quickly but doesn’t feed on any other prey. Under [...] Phytoseiulus persimilis is used for the control of the following pests: Spider mites Phytoseiulus persimilis mites actively seek out and prey on the Two-spotted

• Rose aphid

  General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage [...] antennae and sometimes the head is dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage [...] to secondary hosts. Colonies are often present on rose bushes throughout autumn until their development is hampered by cold weather. In heated greenhouses