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Twig girdlers are beetles that emerge from late September to October and girdle limbs from 6-18 mm in diameter. The cut encircles the twig and is seldom complete, leaving a jagged edge in the center upon breaking off. They also can remove large patches of bark while feeding. Preferred host trees are the pecan, hickory, persimmon, elms, and hackberry. If populations are high they attack oaks, and sometimes fruit trees.