short hairs and small white patches. The larva has five pairs of prolegs; one pair of prolegs protrudes from the posterior end, forming a distinctive…
a sickle-shaped exit hole in the leaf with its mouth parts. After roughly one hour the larva crawls out of the leaf and falls to the ground. This…
reducing photosynthesis and transpiration. Viruses can be transmitted from one plant to another. Both T. vaporariorum and B. tabaci are known to…
After moulting to the third larval stage the larvae stay in their cuticle for one or two days and then emerge as adults. This stage is often…
kernel may remain. A larva can consume several small nuts by moving from one fruit to another. This type of damage is small, and trees are able to…
or supporting stalks, or other places. Depending on the climate, there are one, two or more generations per year. The fully grown caterpillars of the…
can produce 100-150 young over a period of six to eight weeks, at a rate of one to three a day. The crawlers are mobile and very small, so they are…
necessary for reproduction. The adult male has well developed antennae and one pair of dusky wings, The adult ‘females’ produce 500 to 2000…
y of the host plant. This susceptibility can also vary considerably from one cultivar to another. Indirect damage arises when disease causing fungi or
whitefly General The greenhouse whitefly ( Trialeurodes vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses…
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