• Cutworms

  separately or in batches on the ground, or on the plant close to ground level. The larvae are yellowish when hatching with a dark head capsule and prothoracic [...] marginal stripe. The wingspan is about 40-55 mm and the dorsal thorax is covered with close-lying hairs. The eggs are white at first but rapidly turn darker [...] species are for instance the black cutworm Agrotis ipsilon and the turnip moth Agrotis segetum . The larvae of these moths usually feed on roots and plant parts

• Potato aphid

  General The potato aphid ( Macrosiphum euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous [...] from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation [...] protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds ( Cladosporium spp.) grow on this

• Yellow rose aphid

  ornamental crops. At the same time, photosynthesis in the leaves is reduced, affecting production. The yellow rose aphid is also a vector of several viruses [...] and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed [...] South America. It attacks plants of the family Rosaceae and is a pest of strawberries and roses. Damage symptoms The yellow rose aphids usually live in

• Impatiens thrips

  deposited in the leaf tissue, while subsequent stages are found on the upper- and undersides of the leaf. Pupation occurs on the leaf rather than on the ground [...] ground. The prepupae and pupae remain immobile on the leaf tissue. Adults are found on both upper- and undersides of the leaves. This species of thrips is relatively [...] piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting silver-grey patches on leaves

• Capsanem

  effects on biological solutions As a general rule for tank mixing, always add the nematodes to a fully filled tank containing the compatible product The product [...] of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a food source [...] Preparation Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing

• Pea leaf miner

  to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small percentage of the larvae remain hanging on the leaf [...] crops, however, a considerable quantity of foliage can get damaged before the harvest is affected. The size of a leaf tunnel depends on the stage of development [...] irregularly over the leaf. When more mines appear on a leaf, a large ‘plate-mine’ may be formed. These are mostly located at the base of the leaf. Life cycle

• Oleander scale

  Scale infestation can be seen by the appearance of the scale armour on stems, leaves and fruits of hosts. Infestations on the leaves and stems may cause wilting [...] oleander scales are a greyish, dirty white or yellowy colour, round in shape, with a scale whose apex is off-centred. This scale resembles a miniature fried [...] fried egg with a diameter of 2 mm. The newly hatched crawlers are roughly 0.3 mm long. They quickly attach themselves to the plant and form a scale. Colonies

• Anso-Mite

  by turning around the bucket a few times Carefully sprinkle on the leaves Make sure the material remains on the leaves for at least a few hours after releasing [...] intervals or until control is achieved. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best strategy for your [...] Amblyseius andersoni is effective at temperatures above 14°C/57°F. Optimum temperatures are between 20 and 28°C (68 and 82°F). A. andersoni is sensitive to relative

• Garden chafer

  feeds on roots of grasses and clover. The adults feed on the leaves of trees like oak, hazelnut and birch and on the flowers and developing fruits of, [...] General The garden chafer ( Phyllopertha horticola ) is a beetle from the Scarabaeidae family. It does most of its damage in the larval stage when it feeds [...] planted cuttings. The beetles are only active at night, taking round bites out of the leaves, starting from the edge. This damage is usually not a problem in

• New Strain Of Green Peach Aphid, Myzus Persicae, Requires More Aggressive Beneficial Insects

  September 1, 2023

  enic fungi that grow on aphids and a ladybird species from which the larvae take longer than the parasitoids to establish in the crop, but can be good [...] addition to the system. At the same time, we are looking at the side-effects of pesticides and how they fit into the protocol. Faced with the Green Peach [...] will communicate the first update of the sweet pepper protocol in time for the new growing season with a better strategy to tackle the new resistant strain