A–E Bathanthidium (Bathanthidium s. str.) paco Tran & Nguyen, sp. nov., holotype, female A middle tibia in dorso-lateral view, showing the tibial spine B distitarsus of hind leg in frontal view, showing the arolium C metasoma in lateral view D T6 in dorsal view E mesoscutum and scutellum in dorsal view. Scale bars: 1 mm (C, D, E); 0.5 mm (A, B).

 
 
  Part of: Tran TN, Truong LX, Ljubomirov T, Nguyen LTP (2021) First record of the bee genus Bathanthidium (Bathanthidium s. str.) Mavromoustakis (Hymenoptera: Megachilidae) from Vietnam: Description of a new species and a key to species. Journal of Hymenoptera Research 88: 51-60. https://doi.org/10.3897/jhr.88.73969