Key to Myrmecorhynchus species

The following key to Myrmecorhynchus workers is based on Shattuck (2015).

1

 * Mesosomal dorsum and legs with abundant erect hairs => Myrmecorhynchus emeryi




 * Mesosomal dorsum with at most a few scattered erect hairs, legs with appressed pubescence but lacking erect hairs => 2



2

 * Extensive yellow on clypeus covering at least 1/3 of surface; mandibles completely yellow (except dark teeth) => Myrmecorhynchus nitidus




 * Clypeus generally completely dark, at most with a narrow band of yellow on anterolateral margin; mandibles bicoloured, yellow basally and dark apically => Myrmecorhynchus carteri