记述双棘小蠹属Diuncus一新种:梁氏双棘小蠹Diuncus liangae Lin sp. nov.。新种标本从印度尼西亚进口的藤中截获所得,该新种的主要鉴别特征是其鞘翅中部具1横向鞍状凹陷,鞘翅斜面基部第2沟间部具1对齿,斜面斜截并具环脊,脊延伸至第3沟间部,第3沟间部和第4沟间部于斜面基部成不连续的短脊。文中提供了成虫形态描述和形态特征图。
supported by the Scientific Research Project of General Administration of Customs (2024HK046;2023HK042); Ministry of Science and Technology’s Basic Resource Survey Project (2023FY100402)