• American serpentine leaf miner

  miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature [...] lay eggs, they bore a hole using their toothed ovipositor, usually in the upper side of the leaf. Egg spots are oval and hard to distinguish from feeding [...] crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate. A small percentage of the

• Persea mite

  cases, extensive damage leads to leaf yellowing, premature leaf drop, and canopy thinning, which can expose fruit and branches to sunburn and ultimately reduce [...] Depending on temperature, the life cycle from egg to adult can be completed in as little as two to three weeks, resulting in multiple overlapping generations [...] quality. Life cycle The persea mite has a fast life cycle, allowing populations to build up quickly in avocado crops when conditions are favourable. The pest

• General Conditions Koppert

  prejudice to Koppert’s right to demand compliance with the obligations to which the penalty clause pertains and without prejudice to Koppert’s right to claim [...] Buyer refuses to meet Koppert’s request to that effect, Koppert shall furthermore have the right to immediately demand the purchase sum, or to dissolve by [...] Failure to do the above will result in the Buyer’s right to invoke the failure of the Natural Enemies, V1 Pollinators and/or Products to answer to the agreement

• Caterpillars

  plant tissue. Many species cause damage to crops. The most harmful caterpillars that occur in greenhouses belong to the Noctuidae (the noctuid or owl moths) [...] name ‘leafroller’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are [...] or bore holes into fruit or stems, making them difficult to detect and control. In addition to consumption of the plant, caterpillars also spoil the plant

• Thrips

  species that cause damage in green-houses belong to the family Thripidae. Thrips damage Thrips cause damage to the plant by piercing the cells of the surface [...] of thrips Thrips control videos Take a look at the video or go to our Youtube channel to see our thrips control products in action. More thrips control [...] virus transmission cause leaf deformation, silvering and fruit damage, leading to reduced yield and marketability. Because they reproduce quickly and hide deep

• Green peach aphid

  sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the [...] of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, [...] asexual, the young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids

• Potato/tomato psyllid

  are attached to a strand which connects them to the surface of leaves and can be found on the underside and leaf edge. Hatching occurs three to seven days [...] found to be responsible for serious crop damage, both directly and indirectly, the latter causing the greatest concern and proving difficult to control [...] control. In light of this, the export of fruit from susceptible crops to some parts of Europe, and the import into Mexico, is difficult, since Candidatus Li

• Greenhouse whitefly

  development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty [...] larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and secreting [...] namely egg, first, second, third and fourth larval stage (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae

• Mealybugs and scales

  leads to sooty mould. Infestations reduce plant vigor, fruit quality and overall yield. Effective control of mealybugs and scales is essential to maintain [...] Mealybug & scale control videos Take a look at the video or go to our Youtube channel to see our mealybug control products in action. More mealybug control [...] important families within the superfamily Coccoidea. This superfamily belongs to the order Hemiptera (the true bugs ). Coccoidea are at first sight barely

• Cotton leafworm

  littoralis) can lay up to 3,000 eggs. Each egg is roughly spherical, about 0.6 mm long and whitish yellow. They are laid in clusters of 20 to 500 pieces on lower [...] covers the eggs with brownish-yellow hairs from her abdomen to make them less conspicuous and to protect them from desiccation. The cotton leafworm (Spodoptera [...] brownish head. In the last larval stage, they are 35 to 45 mm long. Coloration varies from grey to reddish or yellowish, with a median dorsal line bordered