I had the same problem and i got really worried when my mantis just sat at the top for a week and didn't eat the crickets. i thought maybe the crickets were too big. But after a few crickets when it was starved, it molted and could easily tackle 'em. Mine is now about 5th instar and doing great. Keep trying small crickets and if it is always at the top then push the crickets through the netting right in front of it at the top. It will see it and grab it hopefully. Also, wow robo mantis, i didn't know they ate honey, i gotta try that some time.