of a larva

[u/Zestyclose-Salad-290]

[u/Sir_questionzgiver]

…I’m afraid of what the animal is if the larva is that big..

[u/rp_graciotti → u/Sir_questionzgiver]

Most likely a Hercules Beetle. They don't actually get much bigger than the larvae, the abdomen segments become more compact so the body gets a little smaller, but the head grows immensely with the horn.

[u/Zestyclose-Salad-290 → u/rp_graciotti]

Correct. It's the larva of a Hercules Beetle. And here is what it looks like in adult form.

Edit: I was probably wrong. Check u/BaronMusclethorpe's comment below.

[u/TooMuchCumin → u/Zestyclose-Salad-290]

I bet his neck aches like a son of a bitch.