• Tomato leaf miner

  tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged [...] feeding spots. Life cycle and appearance of Tomato leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars, a pupal instar [...] adult females feed or 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

• Impatiens thrips

  leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When infestations [...] able to spread as a consequence of the trade in foliage plants. Impatiens thrips (Echinothrips americanus) has a wide range of hosts. In addition to many [...] greenhouses. Life cycle and appearance of Impatiens thrips Impatiens thrips (Echinothrips americanus) develops in six stages: egg, two larval instars, prepupa,

• Apple rosy aphid

  Dysaphis plantaginea lays eggs in autumn in bark crevices on spurs and smaller branches, and on the base of buds of apple trees. The eggs hatch in spring and [...] premature leaf fall and death of shoots. Fruits from infested trusses are small and malformed and ripen prematurely. Feeding of aphids directly on fruits causes [...] skin. Life cycle and appearance of Rosy apple aphid Aphids have a complex life cycle, with both winged and wingless forms of adults, and a great variety in

• Pepper weevil

  significant damage occurs with the loss of fruit, whether they fall to the ground or contain holes where eggs are laid or adults were hatched. Meanwhile [...] begin to copulate and subsequently lay eggs in the flowers or immature fruit. On average, a female weevil lays 341 eggs over the full oviposition period, which [...] When they hatch inside an immature fruit, they move towards the middle of the mass of young seeds; whereas, when they hatch inside the flower bud, they feed

• Pea leaf miner

  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 miner. The older [...] located at the base of the leaf. Life cycle and appearance of Pea leaf miner The life cycle of a leaf miner has the following stages: egg, three larval instars [...] tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage can get damaged

• Spider mites and other mites

  availability of food. Here's an overview of the life cycle of plant mites: Egg: The life cycle begins with the female mite laying eggs. The eggs are usually [...] necrosis. Life cycle of mites The life cycle of mites typically consists of four stages: egg, larva, nymph, and adult. The duration of their life cycle can [...] usually spherical and laid on the underside of leaves or on other parts of the plant. The number of eggs laid by a single female can vary, and they can hatch

• Southern European marshland pyralid

  the daytime. Eggs are laid singly or in groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper and lower surface of leaves close [...] forewing. The end of the remarkably long abdomen bends upward almost vertically, with the abdomen of males often being longer than that of females. Another [...] the egg. The full-grown caterpillars are 20 to 30 mm long and have a creamy white colour. Along the dorsal surface of the body there are pairs of dark

• False spider mites

  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 blade [...] as spider mites: egg, larva, protonymph, deutonymph and adult. They move slowly and are mostly found along the veins on the underside of leaves. The mites [...] mites are flattened and egg-shaped when seen from above, with their dorsal surface showing a net-like pattern. The eggs are a clear red colour and elliptical

• Aphidend

  ges of aphids . Mode of action Adult gall midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging from the eggs the larvae [...] densities of generalist predatory mites , especially Amblyseius swirskii , can be detrimental to Aphidend as the predatory mites feed on the eggs of Aphidoletes [...] the adult gall-midges will leave the bottle and spread Dosage The dosage of Aphidend depends on climate, crop and aphid density and should always be adjusted

• Spidex Vital Trial Results

  foundation of our spider mite control. Over time it grew to be one of the most important products for our growers. As the result of many years of research [...] Vital 0 0 2. Improved egg laying capacity; faster and more eggs Test setup: Under controlled conditions, deposited eggs of the adult Spidex Vital females [...] The graph below shows the results of the collected data Cumulative egg laying during a 5 day period Cumulative eggs per female 25 Spidex Vital Spidex