Table 2 in New species and new records of Scolytoplatypus Schaufuss (Curculionidae, Scolytinae) from China, and resurrection of Scolytoplatypus sinensis (Tsai & Huang, 1965) as a distinct species

Table 2. Diagnostic characters separating Scolytoplatypus wugongshanensis, Scolytoplatypus blandfordi and Scolytoplatypus skyliuae. S. wugongshanensisS. blandfordiS. skyliuaeBody sizeMale 3.8-4.2 mm long; female 4.0-4.6 mm long.Male 3.1-3.3 mm long; female 3.1-3.3 mm long.Male 4.0-4.3 mm long; female 4.4-4.8 mm long.FronsMale frons with two distinct brushes of long hairs on the margins.Male frons with a sparse fringe of long hairs.Male frontal margin with a fringe of hairs dorsally extending to vertex.Anterior processes of male prosternumProcesses short, bluntly rounded at tip, lying parallel to anterior margin.Processes longer, falcate, sharply tipped, curving anteriorly.Processes inserted just behind anterior margin, broadly triangular, diverging at an angle of ~ 90°Elytral discAngularly separated from declivityEvenly curving into declivityEvenly curving into declivityElytral declivityMale declivity with small spines present on interstriae 1-7.Male declivity with spines present only on interstriae 1, 3, 5-7.Male declivity with granules present on interstriae 2-5, 8.Female declivity with long, dense pubescence.Female declivity with fine, dense, yellowish setae.Female declivity with long, dense pubescence.表2 用于区分武夷瘤小蠹（Scolytoplatypus wugongshanensis）、布氏瘤小蠹（Scolytoplatypus blandfordi）及斯氏瘤小蠹（Scolytoplatypus skyliuae）的鉴别特征 体型 武夷瘤小蠹：雄虫体长3.8~4.2 mm，雌虫体长4.0~4.6 mm； 布氏瘤小蠹：雄虫体长3.1~3.3 mm，雌虫体长3.1~3.3 mm； 斯氏瘤小蠹：雄虫体长4.0~4.3 mm，雌虫体长4.4~4.8 mm。 额部 武夷瘤小蠹：雄虫额部边缘具2簇明显的长毛刷； 布氏瘤小蠹：雄虫额部具稀疏的长毛缘毛； 斯氏瘤小蠹：雄虫额部前缘具毛簇，背面延伸至头顶。 雄虫前胸腹板前突 武夷瘤小蠹：前突短，端部钝圆，与前胸腹板前缘平行； 布氏瘤小蠹：前突较长，呈镰状，端部尖锐，向前弯曲； 斯氏瘤小蠹：前突着生于前缘稍后方，呈宽三角形，以约90°夹角向外发散。 鞘翅盘区 武夷瘤小蠹：与鞘翅斜面呈棱角状分界； 布氏瘤小蠹：平缓过渡至鞘翅斜面； 斯氏瘤小蠹：平缓过渡至鞘翅斜面。 鞘翅斜面 武夷瘤小蠹：雄虫斜面沟间部1~7具小棘，雌虫斜面具长而浓密的被毛； 布氏瘤小蠹：雄虫斜面仅沟间部1、3、5~7具棘，雌虫斜面具细密、浓密的淡黄色刚毛； 斯氏瘤小蠹：雄虫斜面沟间部2~5、8具颗粒，雌虫斜面具长而浓密的被毛。