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  2. Aonidiella aurantii - Wikipedia

    en.wikipedia.org/wiki/Aonidiella_aurantii

    Aonidiella aurantii or red scale is an armored scale insect and a major pest of citrus. It is thought to be a native of South China [1] but has been widely dispersed by the agency of man through the movement of infected plant material. In the United States it is known as California red scale. It was first found in California between 1868 and ...

  3. Tylenchulus semipenetrans - Wikipedia

    en.wikipedia.org/wiki/Tylenchulus_semipenetrans

    Tylenchulus semipenetrans, also known as the citrus nematode or citrus root nematode, is a species of plant pathogenic nematodes and the causal agent of slow decline of citrus. T. semipenetrans is found in most citrus production areas and diverse soil textures worldwide. Their feeding strategy is semi-endoparasitic and has a very narrow host ...

  4. How California can reduce threat posed by lethal citrus disease

    www.aol.com/california-reduce-threat-posed...

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  5. Comperiella bifasciata - Wikipedia

    en.wikipedia.org/wiki/Comperiella_bifasciata

    C. bifasciata is a parasite of the red scale (Aonidiella aurantii), a major insect pest of citrus. This pest was accidentally brought into the United States in the second half of the nineteenth century, and is known there as California red scale. [2] In attempts to try to control the red scale, in 1908 Comperiella bifasciata, and two other ...

  6. Column: Citrus in December is a SoCal tradition. Enjoy your ...

    www.aol.com/news/column-citrus-december-socal...

    There are two trees that I need to kill. When I get rid of them, that's it. I can't plant replacements. I live in a quarantine zone.

  7. Aleurocanthus woglumi - Wikipedia

    en.wikipedia.org/wiki/Aleurocanthus_woglumi

    The citrus blackfly is found on over 300 host plant species, [4] but citrus trees such as lemon, orange and pomelo are most heavily infested. Noncitrus trees and shrubs, when they grow by themselves, are not normally attacked by this insect, but they may be when they grow close to heavy infestations on citrus.