• Chafers

  General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious [...] lay their eggs. Eggs are shiny and white. The eggs hatch after about four weeks and the larvae start to feed on roots. The larvae are white-coloured, C-shaped [...] in colour. The adult beetles fly in the evening, generally in June and July and land on trees to mate. During the night the females move to the ground to

• Chrysoperla carnea

  hairs. The larvae are not easily observed and are mainly active at night, sheltering under the plant or the rim of the pot, during daylight hours. The larvae [...] jaws. The prey is injected with a salivary fluid that digests the body contents, which are then sucked out. The prey can sometimes be larger than the larva [...] honeydew and most will fly out of the greenhouse. Life cycle of Chrysoperla carnea You can recognize the different life stages of the green lacewing, Chrysoperla

• Fusarium wilt

  oxysporum is the only Fusarium that actually grows inside the vessel system of the host plant and spreads upwards inside the plants. The other species are dispersed [...] Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species are considered [...] symptoms are brown discolouration of the xylem vessels which can be seen when the stems are cut. In banana, whole plantations may die and the soil may

• Rose aphid

  females of the rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi [...] Life cycle and appearance of Rose aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In [...] 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

• Sweet pepper

  About The sweet pepper, also referred to as bell pepper or just pepper, is part of a specific group of cultivars that belongs to the species Capsicum annuum [...] red and even dark purple and brown. The sweet pepper is a very rich source of vitamin C and antioxidants. The level of carotene is even nine times higher [...] annuum . These different cultivars of the sweet pepper plant bear fruit in different colours ranging from vanilla/white and yellow to orange, green and

• Thripor-I

  Apply in groups of at least 50 insects in order to establish a population and encourage mating Make sure the material remains undisturbed at the introduction [...] mouthparts and suck out the contents. Visual effect Orius insidiosus sucks out the body contents of its prey leaving only the empty skin. Pack size 2,000 adults [...] for a few hours after application Dosage The dosage of Thripor-I depends on climate, crop and thrips density and should always be adjusted to the particular

• Buckthorn-potato aphid

  half the body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their [...] wingless and winged forms are produced parthenogenetically. They are usually found in the lower parts of the plants and are not very mobile. In autumn [...] deformation. The major problem in potatoes is the transmission of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids have a complex life

• Orius insidiosus

  nymphs are voracious predators, capable of piercing and feeding on the soft bodies of their prey. The predatory bug Orius insidiosus is used for the control [...] It also feeds on pollen. The prey is pierced with the mouthparts and the body contents are consumed. All stages of thrips are preyed on. Adult females [...] Apply in groups of at least 50 insects in order to establish a population and encourage mating Make sure the material remains undisturbed at the introduction

• Mottled arum aphid

  green with black cross bands behind the head, broken along the midline, and a large horseshoe-shaped spot on the back of the abdomen. These black markings can [...] large amounts of honeydew, which provides an excellent substrate for the growth of black sooty mould. Large areas of mould covering the leaves can reduce [...] producing new generations of females. There is no sexual stage in the life cycle. Wingless females of the mottled arum aphid are shiny whitish, yellowish

• Leaf miners

  before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf [...] more about What are leaf miners? Leaf miners belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies [...] tunnel into the leaves of plants, creating ‘mines’. There are many species of leaf miner affecting various crops in temperate parts of the world. Under