this mantis was just over 1.5cm~
Taken with 12-20-36mm extention tubes and my new 28-135mm IS Canon lens. :-) I was just testing it out and I think I got a good photo out of it! :-D
Exif:
Focal Length: 135mm
Aperture: F/11
Shutter Speed: 1/200
Flash Used: Yes
ISO: 400