Nasal Botfly larvae in the sinus cavity of a roe deer head. There's always a few in there but this poor guy had around 40-50. : r/natureismetal

Those White Worms in Your Deer Are Just Botfly Larva

Nasal Botfly larvae in the sinus cavity of a roe deer head

Asagittal section sheep head shows various larval stages bot fly

Nasal Bots

Those White Worms in Your Deer Are Just Botfly Larva

Deer with Nose Bots in Throat Cavity (Graphic)

10 Weird Parasites that Live Inside Deer

Bot fly larva in a whitetail deer's nasal cavity

Diseases and Parasites of Maryland Deer

Nasal Bot fly larva in the back of a whitetail deer throat

Reindeer Bot Flies Are Not Particularly Festive

What the heck is this in my deer?

Those White Worms in Your Deer Are Just Botfly Larva