lecanium |
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navigate by keyword : and aphids arboriculture arborist attacks background black brown can care cause close crawlers dark dew dieback drop eggs female green growth heavy honey infestation insect leaf lecanium mold oak parthenolecanium pest premature reddish scale scales shell sooty spp stunt that tree trees twig waxey weakened willow |
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Close up of heavy infestation of Lecanium Scales (Parthenolecanium spp.) on twig of a Willow Oak; insect pest that attacks weakened trees and can cause stunt growth and cause premature leaf drop. |
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