. Eastern forest insects. Forest insects. B. COURTESY OF DUKE UNIV. SCH. OF FOKEST. Figure 62.—The twig girdler, Oncideres cingulata cingulata: A, adult; B, young hickory tree deformed by repeated attacks. Adults emerge in late summer and feed on the tender bark and tips of twigs of their host. The egg laying and larval habits are as described earlier for the genus. On heavily infested large trees dozens of branches may be girdled and severed; often, many of them hang on for long periods before dropping to the ground. Such trees are not only damaged severely but are also ragged and unattractiv
. Eastern forest insects. Forest insects. B. COURTESY OF DUKE UNIV. SCH. OF FOKEST. Figure 62.—The twig girdler, Oncideres cingulata cingulata: A, adult; B, young hickory tree deformed by repeated attacks. Adults emerge in late summer and feed on the tender bark and tips of twigs of their host. The egg laying and larval habits are as described earlier for the genus. On heavily infested large trees dozens of branches may be girdled and severed; often, many of them hang on for long periods before dropping to the ground. Such trees are not only damaged severely but are also ragged and unattractive. Hickory seedlings are especially prone to attack and damage, often becoming distorted following attack (fig. 62B). Honey locust seedlings in nurseries are also subject to serious injury. The collection and burning of infested twigs and 191. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Baker, Whiteford L. (Whiteford Lee), 1903-. Washington : U. S. Dept. of Agriculture, Forest Service ; for sale by the Supt. of Docs. , U. S. G. P. O
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectforestinsects
