Unless it has given unmistakable evidence of possessing high intelligence, torture is pointless. It doesn’t understand its transgression, or how you feel, let alone they’ll ever be able to link the cause of their suffering as a consequence of such transgression.
I would suggest you re evaluate the costs and benefits of making this alien suffer. It’s likely not that convenient for you anyway.
And no, no aliens lay eggs on people. The dust is already unusual.