Comparing specimens of Anthidiellum (Ranthidiellum) recently collected from Thailand, and its cleptoparasite A female Anthidiellum ignotum Engel, 2009 (BSRU-AA-1249) B female paratype of Anthidiellum phuchongense Nalinrachatakan & Warrit, 2021 (BSRU-AB-0159) C male paratype of cleptoparasite Stelis flavofuscinular Nalinrachatakan & Warrit, 2021 (BSRU-AB-0156). Scale bar: 2 mm.

 
 
  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