Green coffee scale, nymph, SEM

Green coffee scale, nymph, SEM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Coloured scanning electron micrograph (SEM) of Green coffee scale, nymph stage (Coccus viridis). Scale insects are atypical insects found in many plant environments. Small, usually immobile, with no visible legs or antennae, they resemble individual fish scales pressed tightly against the plant on which they are feeding. Many are common and serious pests of trees, shrubs, and indoor plants. Green coffee scale is a serious agricultural pest and has been reported feeding on hundreds of different plants. It can cause serious damage to coffee and gardenia plants in Hawaii. Large colonies remove large quantities of plant fluids and can cause wilting, but they seldom kill their host. Immature and adults forms produce much honey dew that serves as a medium for the growth of sooty moulds. Magnification: x16 when shortest axis printed at 25 millimetres.

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Keywords: 24090c, agricultural, agriculture, body, chitin, chitinous, coccidae, coccoidea, coccus, coffee, colored, coloured, electron, false-colored, false-coloured, gardenia, green, hemiptera, insect, insects, invertebrate, invertebrates, leaf, micrograph, nymph, pest, pests, scale, scanning, sem, skeleton, tree, viridis

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