• Cutworms

  observed as a cutting of young seedlings, often causing death of the cut seedlings. Sometimes wilting is observed because of partial cutting. A larva often [...] occasionally tunnel into the growing stalk, disrupting the sap flow in the plant. Life cycle and appearance of Cutworms The adults of Agrotis spp. have pale [...] darker. They are laid 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

• Leek moth

  penetrates the young leaves, the flower stalk or the inflorescence of the host plant. Feeding on the leaf tissue by the caterpillars causes a reduction in [...] larval stages, a pupa and the adult moth. The eggs are small, white and elliptical and are laid singly on the leaf of Allium plants. After a wandering period [...] female moth are 8-9 mm long, with a wing span of 15-16 mm. Their general colour is grey-brown with a typical white triangle in the middle of the posterior

• 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 [...] and appearance of Black vine weevil The life cycle of the black vine weevil consists of an egg, 6 or 7 larval instars, a pupal instar and the adult beetle [...] temperate climates, the small (0.7 mm diameter), spherical white eggs are laid from the beginning of July until around the end of October. The larvae that hatch

• False spider mites

  surface showing a net-like pattern. The eggs are a clear red colour and elliptical in shape. They are laid in a fold in the leaf or along the mid-vein, often [...] ) are usually found on the underside of leaves where they cause a brown, scabby discolouration spreading from both sides of the main vein into the leaf [...] deutonymph and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites are flattened and egg-shaped when seen from

• Tomato leafminer

  greenish with a black band behind the head. The prepupae of the tomato leaf miner ( Tuta absoluta ) are lighter than the feeding larvae and have a typical pink [...] cycle and appearance of Tomato leafminer The female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the tomato leaf miner [...] Damage symptoms The most distinctive symptoms of damage done by the tomato leaf miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars

• Spical Ulti-Mite

  not use in tomato. Mode of action Predatory mites reproduce within the sachet and gradually disperse into the crop over a period of several weeks. Using their [...] after 4-6 weeks if the pest is not controlled. Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best strategy for [...] in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory

• Gummy stem blight

  be recognized from the outside by the small narrowing of the tip of the mature fruits. The symptoms on stems, leaves and inside the fruits may occur together [...] ascospores are dispersed by air and the conidiospores by water drops, tools and hands of workers. The ascospores are the main source of dispersal of disease [...] or the hair bases. Stems are infected through wounds and by the infected leaves through the petioles. Fruits are infected through the flowers. The newly

• Garden chafer

  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, for instance [...] appearance of Garden chafer The life cycle of the garden chafer ( Phyllopertha horticola ) has the following stages: egg, 3 larval instars, a pupal instar [...] normally lie in a characteristic 'C-shaped' position. They possess three pairs of legs, of which the middle and hind pairs are approximately the same length

• Macrolophus pygmaeus

  and a black stripe runs behind the eyes. The first part of the forewings is a transparent, soft green with a small black spot in the middle. The hind [...] problems include a shortage of prey, a high population of bugs (more than 100-150 per plant), and a weak crop. More delicate types of tomato are more susceptible [...] as well as the larvae of leaf miners . When the bug is present in a crop in large numbers, it can contribute substantially to the control of these pests

• Goat moth

  larvae bore into the bark and down to the sap wood. Development takes 3 or 4 years. The larvae feed on the wood most of the time hibernating in their galleries [...] galleries are very extensive and the larvae burrow in all directions in both sap and hart wood. Attacks are usually confined to the trunk of mature tress [...] from the bark of attacked trees. The larvae emit an unpleasant goat-like smell. Trees eventually die. Life cycle and appearance of Goat moth The wingspan