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''Heterobostrychus'' is a genus of beetles in the family Bostrichidae, the horned powder post beetles. Like other beetles of the family, these live in wood, often inflicting significant damage on timber and other wood products. This genus can also be found in crop plants such as cassava, potato, coffee, oilseeds, and pulse crops.〔Azmi, M. S. M., et al. (2011). (World distribution of ''Heterobostrychus aequalis'' Waterhouse (Coleoptera: Bostrychidae). ) ''Journal of Entomology'' 8(6) 497-511.〕 ''Heterobostrychus aequalis'', known commonly as the lesser auger beetle, trank borer, black borer, and kapok borer, is a notorious pest of many wood products. It has been found in plywood, furniture, wooden toys, wooden clogs, and carvings.〔 These beetles are transported from their native range in tree products and introduced to other regions in timber shipments. Several species have easily established in new areas, particularly those with warm climates, as they do not tolerate cold. ''H. aequalis'' is now found on six continents in regions within 40° of the Equator.〔 ''Heterobostrychus brunneus'' is most common in bamboo.〔Beiriger, R. (2010). (''Heterobostrychus hamatipennis'' Lesne (Coleoptera: Bostrichidae) new to Florida. ) ''Insecta Mundi'' 0138 1-5.〕 The adult ''Heterobostrychus'' is 1 to 1.5 centimeters long. The head is tucked back within the thorax and not visible from the top.〔 There are six known species.〔 Species: *''Heterobostrychus aequalis'' *''Heterobostrychus ambigenus'' *''Heterobostrychus brunneus'' *''Heterobostrychus hamatipennis'' *''Heterobostrychus pileatus'' *''Heterobostrychus unicornis'' ==References== 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「Heterobostrychus」の詳細全文を読む スポンサード リンク
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