The bugs are grayish black, winged, and are bugging the crap out of him. He tosses and shakes his head horribly. There are small blackish "scabs" in his ears that bleed when touched. I feel so horrible for him.
Gelding is regularly wormed and healthy otherwise. It has been rather nasty here lately...huge storms one day and then scorching hot for half a day and then back to huge storms.