Agapostemon thorax characters (anterior of bee to left, “mc” refers to the base of the middle coxa) A Agapostemon sericeus close-up of rugosopunctate scutum B Agapostemon splendens close-up of densely punctate scutum C Agapostemon sericeus with ventral pleural tubercle flush with rest of plate D Agapostemon splendens with ventral pleural tubercle slightly upraised. Yellow arrows indicate the ventral pleural tubercle.