Gardner, D. E. . Unpublished: Black twig borer in Myrica faya Unpublished
Black twig borer is an introduced boring beetle affecting a number of woody species, boring into the stems and producing characteristic columns of frass that stick out like spikes from the boreholes. CD16 106. The insect is generally considered a secondary agent that invades woody tissue of already weakened or less healthy trees and shrubs. The boring activity can hasten the decline of such trees, however.
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