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

What the heck is this in my deer?

Topic 5-1 Interactions in Ecosystems Flashcards

Deer we hunted probably swallowed a bot fly. : r/natureismetal

EENY-742/IN1267: Sheep Bot Fly Oestrus ovis Linnaeus (1761) (Insecta: Diptera: Oestridae)

Reindeer Bot Flies Are Not Particularly Festive

Those White Worms in Your Deer Are Just Botfly Larva

Those White Worms in Your Deer Are Just Botfly Larva

Those White Worms in Your Deer Are Just Botfly Larva

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

Those White Worms in Your Deer Are Just Botfly Larva

The moose throat bot fly Cephenemyia ulrichii larvae (Diptera: Oestridae) found developing in roe deer (Capreolus capreolus) for the first time, Acta Veterinaria Scandinavica