Habitus of Natural History (HNH)
鉴定描述：雄性面部黑色，上唇和面部侧面蓝色；胸部黑色，侧面具蓝灰色粉霜，翅稍染褐色，末梢具小白斑；腹部黑色。雌性黑色具黄色条纹。广西的雌性与其他地区的身体黄色条纹有差异。
Identification. Male face black, labrum and sides of face blue. Thorax black with bluish grey pruinescence laterally, wings slightly tinted with brown, with the extreme wing tip narrowly whitish. Abdomen black. Female black with yellow markings. Yellow body markings of females from Guangxi differ from those from other parts of China.
鉴定来源：《中国蜻蜓大图鉴》
- 二齿尾溪蟌 Bayadera bidentata ♀ HNH1：6月 Jun.
- 二齿尾溪蟌 Bayadera bidentata ♀ HNH1：冯浈皓
标本库照片拍摄坐标 (Location of Images Taken)
二齿尾溪蟌 Bayadera bidentata ♀ HNH1：31°10’28.956″ N 119°30’3.216″ E （中国江苏省溧阳市深溪岕村）