Members of the Genus Rhionaeschna, or Neotropical Darners, can be identified from members of the Genus Aeshna by light patches on the sides of the 'T' spot on top of the frons and a small bump on the bottom of abdominal segment one, that other Darners do not have
Does the specimen have pale patches next to the "T" spot on the frons and a bump on the bottom ?
Does the specimen not have pale patches next to the "T" spot on the frons or a bump on the bottom ?
