Raising Monarch's has proven to be a challenge for me. This was captured just hours before she emerged from her cocoon and I had 10 caterpillars and 1 made it to butterfly.

Canon Mark III
Lens MPE-65mm f/2.8 1-5x Macro Photo
Focal Length 65.0mm X5 magnification
1/200 sec
f16
ISO 100
spot metering
Canon MR-14EX Macro Ring Lite