On the fourth hatching, one finally made it this far.
The wheelbugs were gone by the third round. I'm pretty sure this was the main killer for the last two attempts and may even be why the wheelbugs are gone. Here it's got a grasshopper, but it seems indiscriminate about what's on for dinner. As far as I can tell it doesn't use a web to trap the prey. He moves around and is really clever about hiding. It took some patience for me to get even this poor photo because it kept moving and keeping plant stems as cover.