Cataulacus granulatus(粒沟切叶蚁)-Chinese Ant Database(蚂蚁数据库)-Chinese antweb(蚁网)

次异名：Cataulacus hispidus Smith, F., 1876

粒沟切叶蚁于1802年首先被发现于印度。

工蚁：体长4.2mm~5.6mm。头宽，三角形，前窄后宽，后头缘中央深凹，后头角尖。上颚发达，沿咀嚼缘有一光亮的亚端线。唇基三角形，前面扁平，前缘中央凹陷，后缘界线不清。触角短折叠于触角沟内。复眼大。前胸背板宽；中胸背板后部变窄，两侧具明显的缺切，为其与并胸腹节的分界；背扳缝部分明显；并胸腹节基面横形，末端具刺1对，其长度小于2刺基部之距，端尖，指向后外方；斜面平截且明显垂直。足粗短。结节前面平截，后面钝圆，第1结节略宽于第2结节；腹柄下突指状，指向下方。后腹部宽卵形。上颚具细纵刻纹；头和并腹胸具粗皱纹和小颗粒，其上密布粗糙的纵长刻纹，边缘明昂其上具多数尖齿突。结节具粗糙颗粒和皱纹。后腹部具细密的纵长刻纹，仅基部略具边缘，并有少许齿状突，有一定光泽。立毛黄白色，短而钝，较粗，遍布全身。体黑色。触角柄节和鞭节端部、足胫节和跗节下部红褐色。

图注：粒沟切叶蚁的工蚁，正面观，摄影：刘聪

图注：粒沟切叶蚁的工蚁，侧面观，摄影：刘聪

图注：粒沟切叶蚁的工蚁，正面观，摄影：李俊龙，标本采集于云南西双版纳

图注：粒沟切叶蚁的工蚁，侧面观，摄影：李俊龙，标本采集于云南西双版纳

图注：粒沟切叶蚁的工蚁，背面观，摄影：李俊龙，标本采集于云南西双版纳

雌蚁：体长6.4mm~7.2mm。与工蚁极为近似。但头和并腹胸刻纹较细致，后腹部基部边缘不甚清晰；并胸腹节刺缩至齿状；立毛较短。

图注：粒沟切叶蚁的蚁后，正面观，摄影：李俊龙，标本采集于云南西双版纳

图注：粒沟切叶蚁的蚁后，侧面观，摄影：李俊龙，标本采集于云南西双版纳

图注：粒沟切叶蚁的蚁后，背面观，摄影：李俊龙，标本采集于云南西双版纳

雄蚁：体长4.8~5.4mm。

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