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Spider mite, SEM
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Spider mite, SEM
Spider mite. Coloured scanning electron micrograph (SEM) of a spider mite (Tetranychus sp.). It is an economic pest and plant parasite, found on vegetable crops, fruit trees and flowers. It feeds on the leaf sap, which causes leaves to mottle, turn yellow and fall off. The spider mite is named due to its ability to spin a web, which it does across a leaf surface that secures and protects it against predators. Their numbers can be controlled with organophosphorus pesticide, although some resistance has developed. Another method is biological control, using a natural predator, such as gall midge larva (Feltiella acarisuga). Magnification: x135 at 6x7cm size
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Media ID 6465449
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
EDITORS COMMENTS
This print showcases the intricate world of a spider mite, captured through a coloured scanning electron micrograph (SEM). The image reveals the minute details of this economic pest and plant parasite, which can be found infesting vegetable crops, fruit trees, and flowers. Feeding on leaf sap, these tiny creatures cause leaves to mottle, turn yellow, and eventually fall off. The name "spider mite" stems from their remarkable ability to spin delicate webs across leaf surfaces. These webs serve as both protection and security against potential predators. To control their population numbers, organophosphorus pesticides have been utilized; however, resistance has developed over time. An alternative method for managing these pests is biological control. This involves introducing natural predators like gall midge larvae (Feltiella acarisuga) into affected areas. By doing so, a balance is restored in the ecosystem as these predators feed on the spider mites. With a magnification of x135 at 6x7cm size, this SEM image offers an up-close look at the fascinating world of invertebrates. It serves as a reminder of nature's complexity while highlighting the importance of understanding and addressing threats posed by pests such as spider mites in order to protect our valuable crops and plants.
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