Female Trachusa aff. vietnamensis (BSRU-AA-4475) A ventral habitus of mouthparts (with removed mandible) B mid tibia C all specimens in dorsal view, showing variation (BSRU-AA-4471–4475, respectively from left to right). Scale bar: 2 mm (C); 0.5 mm (A, B).

 
 
  Part of: Nalinrachatakan P, Ascher JS, Kasparek M, Traiyasut P, Thanoosing C, Warrit N (2023) A review of the anthidiine bees (Apoidea, Megachilidae) in Thailand. ZooKeys 1186: 235-284. https://doi.org/10.3897/zookeys.1186.95203