Gall-forming psyllid nymph, SEM

Gall-forming psyllid nymph, SEM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Coloured scanning electron micrograph (SEM) of Psyllid nymph (.) in a leaf gall from the Hawaiian Ohia lehua tree (Metrosideros polymorpha). . (Trioza lehua) lay eggs in the Hawaiian Ohia lehua leaf. Eggs develop and a leaf galls begin to form around the developing insects. The developing stages (larvae and nymph) feed off on the leaf until the immature adults emerge. This gall-forming psyllid causes major damage to some trees and eventual death. Psyllids, also known as jumping plant lice, are small plant-feeding insects that tend to be host specific. The Asian Citrus Psyllid (Diaphorina citri) carries a harmful bacterium (Liberibacter asiaticum) that causes a major disease in citrus plants. It affects the quality, flavour, and production as well as causing citrus trees to die. Magnification: x20 when shortest axis printed at 25 millimetres.

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Keywords: 99438a, agricultural, agriculture, borer, colored, coloured, crop, damage, damages, disease, electron, endemic, false-colored, false-coloured, feeding, forming, gall, gall-forming, galls, hawaii, hawaiian, hawaiiensis, hemiptera, insect, insects, jumping, larva, larvae, leaf, lehua, lice, louse, metrosideros, micrograph, nania, nymph, nymphs, ohia, pest, pests, plant, plant-feeding, polymorpha, psyllid, psyllids, psylloidea, scanning, sem, trioza, triozidae

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