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With over 500 species, ''Xyleborus'' is by far the largest ambrosia beetle genus in the tribe Xyleborini.〔MSU (2004)〕 ''Xyloborus'' 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, ''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 cryptographus'' (Ratzeburg, 1837) * ''Xyleborus dispar'' (Fabricius, 1792) * ''Xyleborus dryographus'' (Ratzeburg, 1837) * ''Xyleborus eurygraphus'' (Ratzeburg, 1837) * ''Xyleborus ferrugineus'' (Fabricius, 1801) * ''Xyleborus glabratus'' Eichhoff, 1877 * ''Xyleborus horridus'' Eichhoff, 1869 * ''Xyleborus impressus'' Eichhoff, 1868 * ''Xyleborus intrusus'' Blandford, 1898 * ''Xyleborus inurbanus'' (Broun, 1880) * ''Xyleborus monographus'' (Fabricius, 1792) * ''Xyleborus obesus'' LeConte, 1868 * ''Xyleborus pelliculosus'' Eichhoff, 1878 - may belong in ''Cyclorhipidion'' * ''Xyleborus perforans'' (Wollaston, 1857) * ''Xyleborus pfeilii'' (Ratzeburg, 1837) * ''Xyleborus planicollis'' Zimmermann, 1868 * ''Xyleborus pubescens'' Zimmermann, 1868 * ''Xyleborus sayi'' (Hopkins, 1915) * ''Xyleborus similis'' Ferrari, 1867 * ''Xyleborus viduus'' Eichhoff, 1878 * ''Xyleborus volvulus'' (Fabricius, 1775) * ''Xyleborus xylographus'' (Say, 1826) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Xyleborus (beetle)」の詳細全文を読む スポンサード リンク
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