Cobboldia is a genus of parasitic flies in the family Oestridae.

A parasitic fly that lays its eggs on the legs, muzzle, and jaw of horses.

A parasitic fly, Lucilia bufonivora, attacks adult common toads.

Obligate parasitic flies require a host to complete their development.

Four species of parasitic flies prey on gypsy moth larva.

Since then, many species of crickets have been found to be carrying the same parasitic fly, or related species.

You can see it has a parasitic fly on it, a scuttle fly.

Their characteristic chirp, designed to lure mates, can attract a parasitic fly as well.

I understand a tiny parasitic fly is now thought to be a major factor in this.

The Hypodermatinae include large parasitic flies, some of which are known as warble flies.