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Xiphinema index (fan-leaf virus nematode) High population levels of X. index (above 50 specimens per litre of soil) negatively affected grape yields (Lamberti and Melillo, 1991). In...
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Xiphinema rivesi (dagger nematode) X. rivesi is a parasite of peach and apple, and causes economic loss due to direct damage. The individuals appear to be attracted to young, growing...
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Xyleborinus saxesenii (fruit-tree pinhole borer) X. saxesenii should be considered a high-risk quarantine pest. This is because members of the tribe Xyleborini (Xyleborinus plus related genera)...
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Xyleborus dispar (pear blight beetle) X. dispar should be considered a high-risk quarantine pest. This is because members of the tribe Xyleborini (Xyleborus plus related genera) are all...
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Xyleborus emarginatus X. emarginatus should be considered a high-risk quarantine pest; most of the species in Xyleborus and related genera should be considered potential...
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Xyleborus fallax X. fallax should be considered a high-risk quarantine pest; most of the species in Xyleborus and related genera should be considered potential...
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Xyleborus ferrugineus (black twig borer) This is a datasheet on Xyleborus ferrugineus
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Xyleborus perforans (island pinhole borer) X. perforans should be considered a high-risk quarantine pest; most of the species in Xyleborus and related genera should be considered potential...
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Xyleborus pseudopilifer The potential for the spread of X. pseudopilifer beyond its native areas is limited, primarily because of the specificity of its attacks to...
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Xyleborus similis X. similis should be considered a high-risk quarantine pest. Most of the species in Xyleborus and related genera should be considered potential...
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