I've got a yellow foot that fully hatched yesterday... I notice quite a bit of larvae (only what I can assume are some type of maggots) on the baby... Should this be cause for concern? It appears to be fine otherwise.
Yes, it is a concern. They will eat on the baby. Rinse them off the baby under a stream of warm water from the faucet. It looks like he has a pretty large yolk sac, so be very careful around that. Don't break or tear it.
Can you please tell us how long the eggs incubated before hatching?
This is a very big problem with Manouria eggs/hatchlings. I didn't realize it also occurred in YF eggs. It is gnats and their maggots. They sort of look like fruit gnats.
That's exactly what they look like. My first hatchling had 1 on the egg shell but, I didn't think anything of it. This egg was kinda funky though... The hatchling wasn't as clean when it came out.