Xyleborus (beetle)
''Xyleborus'' is by far the largest ambrosia beetle genus in the tribe (biology), tribe Xyleborini, with over 500 species.MSU (2004) ''Xyleborus'' nowadays includes a number of formerly independent genera. In addition, the genera ''Coptoborus'', ''Cryptoxyleborus'' and ''Euwallacea'' are often included here, too; this may be correct, as they seem to be closely related. Less often, ''Ambrosiodmus'', ''Premnobius'' and ''Xyleborinus'' are included in ''Xyleborus'', but they seem to be well distinct; ''Premnobius'' might even not belong to the Xyleborini at all. The different species can be best differentiated by the gallery burrows they build and the tree species they infest. A significant member, ''Xyleborus dispar, X. dispar'', causes pear blight. Selected species * ''Xyleborus affinis'' Eichhoff, 1868 * ''Xyleborus atratus'' Eichhoff, 1875 * ''Xyleborus californicus'' Wood, 1975 - may belong in ''Cyclorhipidion'' * ''Xyleborus celsus'' Eichhoff, 1868 * ''Xyleborus cryptograph ...
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