About Tramea transmarina Brauer, 1867
Members of the Tramea genus typically have colored bases on their hindwings. When these dragonflies fly, this colored marking creates the visual impression that they are carrying bags at the top of their abdomen, which is why they are commonly called saddlebags gliders. For the species Tramea transmarina Brauer, 1867, adult males generally have a dark thorax and a bright abdomen.