It sounds like you’re describing a botfly (Dermatobia hominis) infestation in a human host—something that can indeed happen to people working or traveling in parts of Central and South America.

Here’s some clear, detailed information about this scenario:

About Human Botfly (Dermatobia hominis) Larvae:

• The human botfly lays its eggs on a vector (usually a mosquito or other biting fly).
• When the mosquito bites a human, the warmth causes the eggs to hatch, and the larvae enter the skin.
• The larvae develop in subcutaneous tissue, forming boils or warble-like swellings.

Clinical Presentation:

• Painful, raised nodules with a central punctum (small opening for the larva to breathe).
• Serous (clear) or sometimes bloody discharge.
• Sensation of movement inside the lesion.

Removal Procedure:

• Occlusive method: Covering the breathing hole with petroleum jelly, nail polish, or bacon fat to asphyxiate the larva, causing it to emerge for air.
• Mechanical extraction: Using forceps to pull the larva out through the breathing hole (care is needed to avoid rupture, which can cause inflammation or secondary infection).
• Surgical removal: A small incision under local anesthesia for complete extraction, especially for larger or stubborn larvae.

Aftercare:

• Thorough cleaning of the wound.
• Antibiotic ointment to prevent secondary infection.
• Tetanus vaccination status should be up to date.

Real-World Context for Ecologists or Fieldworkers:

• Working in humid, forested regions in Central/South America is a known risk.
• Prevention includes insect repellents, protective clothing, and avoiding mosquito bites.

If you’re describing or seeking to script or narrate a video of such a removal (as your phrase suggests), a possible clinical-style caption might be:

If you want even more detail (medical, educational, or for writing purposes), just let me know!