Posted by Sundew on 19-03-2020 21:21
#5
Well, with a white basicosta (visible here) we have to discriminate only between
L. sericata and
L. richardsi (
https://quelestce...132016.pdf), and here the width of the gap between the eyes is helpful. - As to the Orion website (
https://www.orion...en&sp=), uncertain cases are given the addition "Artbestimmung unsicher" for a good reason ;)