• Eretmocerus eremicus

  Females are lemon-yellow with green compound eyes and red ocelli, measuring about 0.75 mm, while males are slightly smaller, dark yellow to brown, with dis [...] biological control agent of whiteflies in agricultural and horticultural settings. Eretmocerus eremicus is used for the control of the following pests: Tobacco [...] places exposed to direct sunlight The dosage of Ercal or Enermix depends on climate, crop and whitefly density and should always be adjusted to the particular

• HORIVER – The winner catches ‘em all!

  Wetstick Trap and Monitor Flying Insects Sticky trap with wet glue Horiver Disc Monitor and Trap Root Aphids and Fungus Gnats Sticky trap with dry glue Horiver [...] to fit around the stem of a plant Horiver Disc is ideal to trap pests active both above and below the ground Traps root aphids and fungus gnats Two attachment [...] High-quality products for monitoring and trapping pests in a wide variety of crops. Horiver sticky traps make it possible to detect pests at an early stage

• Mottled arum aphid

  ms, Begonia and Fuchsia, and also sweet pepper. Damage symptoms Large colonies of mottled arum aphids can greatly reduce plant vigour and kill the plant [...] the growth of black sooty mould. Large areas of mould covering the leaves can reduce photosynthesis and also result in an unattractive plant with a much lower [...] plant viruses. Life cycle and appearance of Mottled arum aphid Aphids moult four times before reaching adulthood. With each moult they shed white skin

• Common cockchafer

  feeds on roots of grasses and clover. The adults feed on the leaves of trees, mainly on oak, maple, beech and plum. Life cycle and appearance of Common cockchafer [...] long, with a dark head, black pronotum covered with short hairs, and reddish brown elytra with four longitudinal ribs each. The abdomen is black, with typical [...] head, with strong mandibles and long, hairy, well developed yellow legs. It takes three or four years for the larvae to fully develop. The grubs are 10 to

• Leaf stripe

  on other leaves. Yellow stripes are formed at the base of the leaf and the leaf sheath. They gradually extend and become brown and chlorotic and may merge [...] heads may be distorted and failing to emerge from the sheath. Ear length and the number of kernels may be reduced and kernels may be brown. The symptoms do [...] is a disease of Barley that causes significant yield losses. Damage symptoms Symptoms first occur on the first, second and third leaf and subsequently

• Triario WG

  Mode of action The mode of action of Triario WG is based on the following mechanisms: Competition for space Triario WG grows faster on the surface of the [...] develop. Parasitism of pathogens Triario WG grows around the mycelia of the pathogens. The cell walls of the pathogens break down and the pathogens die. [...] range (10-34°C/50-93°F), at a pH between 4 and 8, in many types of cultivation media and on the roots of many different crops. Storage time after receipt

• Mediterranean fruit fly

  crossbands. The wings are clear with black veins and marked with black spots and brownish yellow patches. The eggs are about 1 mm long and narrowly fusiform. Larvae [...] brown and barrel-shaped. The eggs are laid below the skin of the host fruit. After hatching, the larvae feed on the flesh of the fruit. As each fly lays [...] green eyes suffused with reddish brown. The thorax is black suffused with greyish yellow and the abdomen mainly yellowish orange with 2 silvery crossbands

• Bacterial soft rot, bacterial stem rot

  water-soaked and light to dark brown. They are adjacent to wounds and natural openings at the stem end. Later the fruit becomes soft and lesion contents [...] when plants wilt at the time of first harvest or after that. The pith disintegrates and the stem becomes hollow. Because of the bacterial growth in the [...] seems wet and slimy. Above or below the hollow stem the vascular tissue keeps its normal colour. On the fruits, lesions first are small and sunken, wa

• Leaf miners

  tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf miner. The older larvae make wider tunnels. Feeding [...] although with the exception of ornamental crops, this is usually of less significance. Seedlings and young plants can be totally destroyed as a result of the [...] flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants, creating ‘mines’. There are many species

• Onion fly

  leek, garlic, and onion crops. It is a small fly, measuring between 5 and 7 mm long, with a grayish-yellowish body and clear wings. The eggs are laid by the [...] This damage may decrease the quality of the onion bulbs and make the plant more vulnerable to other diseases and pests. Severely damaged bulbs may turn [...] visible. But there are a few symptoms to watch out for. The wilting or yellowing of onion leaves is one of the most obvious signs of onion fly damage. Small