Posted by Jan Willem on 18-11-2019 22:13
#10
As far as I remember
T. usta doesn't have such a shiny mesonotum and doesn't have a yellowish scutellum. I think Xylo is right! Seems like the coloration of the mesonotum of
T. ambusta being rather variable. So I'm not at all convinced about this being
T. usta!