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
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…
whitefly General The greenhouse whitefly ( Trialeurodes vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses…
color and have a similar shape to the adults but are smaller and lack wings. One of the most distinctive features of thrips larvae is their…
apterous, and winged adults as alate. Alate aphids have two pairs of wings, one of which is much larger than the other. For a large part of the season…
scattered over the entire plant where they deposit their eggs. This is why on one leaf all different developmental stages can be found together. When…
few symptoms to watch out for. The wilting or yellowing of onion leaves is one of the most obvious signs of onion fly damage. Small tunnels made by…
conditions, with some species completing their life cycle in as little as one to two weeks. This rapid development contributes to their ability to…
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