Inferior projection of male mandible. 8Megachile (Eutricharaea) leachella, inferior projection pointed and projecting posteriorly 9M. (Creightonella) albisecta, inferior projection rounded and directed ventrally.

 
 
  Part of: Praz CJ (2017) Subgeneric classification and biology of the leafcutter and dauber bees (genus Megachile Latreille) of the western Palearctic (Hymenoptera, Apoidea, Megachilidae). Journal of Hymenoptera Research 55: 1-54. https://doi.org/10.3897/jhr.55.11255