During a recent hike up near Tom’s Thumb, I spotted dozens of Marine Blue (Leptotes marina) butterflies. They feed and host on plants in the pea/legume family (lots of that up there). I tried for almost half and hour but this is the widest any of them opened their wings.
Marine Blue at sunrise
(Hand held. ISO 400. Canon 100mm f/2.8 IS lens. First shot: f/4, 1/3200. 2nd: f/4, 1/1000)