A gulf fritillary butterfly feeds on the nectar of a latana.
The raw file was processed in Aftershot Pro 2.
Camera settings:

Canon EOS Digital Rebel XSi
AV: ƒ/5.6
Lens: EF 75-300mm f4-5.6 III
Focal Length: 300.0 mm
TV: 1/2000
ISO: 1600