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Table 2 in The Oriental genera of Xyloperthini (Coleoptera: Bostrichidae: Bostrichinae), with a new genus and species from Thailand, and a key to the genera

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Table 2 (continued). GenusCharacte rXylocis Lesne, 1901Xylodectes Lesne, 1901 (X. ornatus Lesne, 1897)*Xylodrypta Lesne, 1901Xylophorous Lesne, 1906 (based on description by Lense)Xylopsocus Lesne, 1901 (10/17)**Xylothrips Lesne, 1901 (X. flavipes (Illiger, 1801)) *No. of antennal segments10101099/1010Sensory impressions on clubDense sensory hairs along anterior margin on 1st and 2nd antennomeres of clubIndistinct two zones of sensory hairs at anterior margin on 1st and 2nd antennomeres of clubDense sensory hairs along anterior margin on 1st and 2nd antennomeres of clubDense sensory hairs along anterior margin on 1st and 2nd antennomeres of clubIndistinctXClypeus armed on sidesXXVXVVLong hairs on fronsXXVXXVLateral carinae of pronotumXXXXVVPleural piecesVXVVXVShape of disc of elytral declivityMale: concave evenly Female: convexSlightly convexSlightly convexFlattenFlatten / Slightly convexSlightly convexMale: entire with one pair of tiny tips atSculpture of apical margin declivityofupper margin. Female: entire with one pair of distinct tubercle at the apex.Entire with tiny v-shaped emargination at apex.EntireEntire.Entire with slightly rised apex.Entire with tiny v-shaped emargination at apex.Modified ventrites of female abdomen5th ventrite broadly emarginate posteriorlyXX(can’t examined)XConvex in middle of posterior marginProtibiaExpanded from base to apex, external face flattenExpanded from base to apex, external face flattenExpanded from base to apex, external face weakly convexExpanded from base to apex, external face groovedExpanded from base to apex, external face weakly groovedExpanded from base to apex, external face groovedDistributionIndia, Sri Lanka, Laos, Hong Kong, TaiwanTaiwan, Philippines, Indonesia, Vietnam, Laos, IndiaIndia and ThailandSri LankaSoutheast AsiaSoutheast Asia

表2(续)。 1. Xylocis属(Xylocis Lesne, 1901): 触角节数:10节; 触角棒感觉结构:棒节第1、2触角小节前缘密被感觉毛; 唇基侧缘具棘:×; 额部具长毛:×; 前胸背板侧脊:×; 侧片:Ⅴ; 鞘翅斜面盘区形状:雄性均匀凹陷,雌性隆起; 鞘翅斜面后缘刻饰:雄性边缘完整,上端具1对细小尖突;雌性边缘完整,端部具1对明显瘤突; 雌性腹部特化腹片:第5腹节后缘宽凹; 前足胫节:自基部向端部膨大,外表面扁平; 分布:印度、斯里兰卡、老挝、中国香港、中国台湾。 2. Xylodectes属(Xylodectes Lesne, 1901,模式种:X. ornatus Lesne, 1897)*: 触角节数:10节; 触角棒感觉结构:棒节第1、2触角小节前缘具模糊的两束感觉毛区; 唇基侧缘具棘:×; 额部具长毛:×; 前胸背板侧脊:Ⅴ; 侧片:Ⅴ; 鞘翅斜面盘区形状:略隆起; 鞘翅斜面后缘刻饰:端部具细小V形凹刻; 雌性腹部特化腹片:无法检视; 前足胫节:自基部向端部膨大,外表面扁平; 分布:中国台湾、菲律宾、印度尼西亚、越南、老挝、印度。 3. Xylodrypta属(Xylodrypta Lesne, 1901): 触角节数:10节; 触角棒感觉结构:棒节第1、2触角小节前缘密被感觉毛; 唇基侧缘具棘:Ⅴ; 额部具长毛:Ⅴ; 前胸背板侧脊:×; 侧片:Ⅴ; 鞘翅斜面盘区形状:略隆起; 鞘翅斜面后缘刻饰:边缘完整; 雌性腹部特化腹片:×; 前足胫节:自基部向端部膨大,外表面弱隆起; 分布:印度与泰国。 4. Xylophorous属(Xylophorous Lesne, 1906,依据Lense的描述): 触角节数:9节; 触角棒感觉结构:棒节第1、2触角小节前缘密被感觉毛; 唇基侧缘具棘:×; 额部具长毛:Ⅴ; 前胸背板侧脊:×; 侧片:Ⅴ; 鞘翅斜面盘区形状:扁平; 鞘翅斜面后缘刻饰:边缘完整; 雌性腹部特化腹片:后缘中部隆起; 前足胫节:自基部向端部膨大,外表面具沟; 分布:斯里兰卡。 5. Xylopsocus属(Xylopsocus Lesne, 1901,10/17)**: 触角节数:9/10节; 触角棒感觉结构:模糊不清; 唇基侧缘具棘:Ⅴ; 额部具长毛:Ⅴ; 前胸背板侧脊:Ⅴ; 侧片:×; 鞘翅斜面盘区形状:扁平/略隆起; 鞘翅斜面后缘刻饰:端部略隆起; 雌性腹部特化腹片:无法检视; 前足胫节:自基部向端部膨大,外表面具弱沟; 分布:东南亚。 6. Xylothrips属(Xylothrips Lesne, 1901,含X. flavipes (Illiger, 1801))*: 触角节数:10节; 触角棒感觉结构:模糊不清; 唇基侧缘具棘:Ⅴ; 额部具长毛:Ⅴ; 前胸背板侧脊:Ⅴ; 侧片:×; 鞘翅斜面盘区形状:略隆起; 鞘翅斜面后缘刻饰:端部具细小V形凹刻; 雌性腹部特化腹片:无法确认; 前足胫节:自基部向端部膨大,外表面具沟; 分布:东南亚。

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