The Regal Darner (Coryphaeschna ingens) is a large dragonfly having a green thorax with wide brown stripes. 
Adult Regal Darners are 8.6 to 9.9 cm long. 
Males and immatures have green eyes; adult females have blue eyes.
The similar Swamp Darner (Epiaeschna heros) has a brown thorax with green stripes and always blue eyes instead of green eyes.

1st, 2nd & 3rd photo: Crews Lake Wilderness Park, Spring Hill, Florida, USA, 30 March 2022
4th & 5th photo: Jay B. Starkey Wilderness Park, New Port Richey, Florida, USA, 30 March 2022