小型工蚁:TL 1.6~1.8, HL 0.42~0.45, HW 0.40~0.41, CI 88~95, SL 0.31~0.32, SI 77~80, PW 0.23~0.25, AL 0.42~0.46, ED 0.01.
头长略大于宽,后头缘浅凹。上颚具4钝齿。触角11节,端2节形成触角棒;柄节长为其着生处至后头缘距离的4/5~5/6。复眼小,仅具1个小眼。前、中胸背板凸,背面较平;中-并胸腹节缝明显凹陷;并胸腹节基面平滑进入斜面,基面与斜面近等长,缺刺或齿。第1结节高,圆锥形,顶端钝圆;第2结节圆,低于第1结节。后腹部卵形。上颚、唇基、头部、前胸背板、两结节以及后腹部光亮,刻点细弱。中胸侧板、并胸腹节及结前柄具密集网状刻点。立毛浅黄白色,长,稀疏,仅存在于唇基、额区及后腹部末端。茸毛在头及体短而稀疏,在触角和足跗节较密集。体黄色。触角和足颜色略浅于体;上颚齿及唇基边缘红色。
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