Natural Enemies of Dormant Season Pests

Frosted scale (parasitized)
Identification tip: Parasitized frosted scales turn black.

Walnut scale (parasitized)
Identification tip: Look for exit holes in walnut scale covers.

San Jose scale (parasitized)
Identification tip: Look for exit hole in the covering of the scale.

European fruit lecanium scale (parasitized)
Identification tip: Parasitized European fruit lecanium scales, such as the center one above, turn black.