The Eastern Spruce Gall Adelgid (Adelges abietis) is an important pest on spruce. Adults emerge from galls early in the […]

The Cooley Spruce Gall Adelgid (Adelges cooleyi) is an important pest on spruce. Adults emerge from galls early in the […]

The Cankerworm (Paleacrita vernata) is an important pest on a variety of trees. Adults from overwintered pupae emerge early in the […]

The Striped Pine Scale (Toumeyella pini) is an important pest on pine. Overwintered Striped Pine Scale nymphs lay emerge in spring […]

The Spruce Bud Scale (Physokermes piceae) is an important pest on spruce. Overwintered Spruce Bud Scale nymphs lay emerge in spring […]

The Pine Tortoise Scale (Toumeyella parvicornis) is an important pest on pine and spruce. Overwintered Pine Tortoise Scale nymphs lay emerge […]

The Pine Needle Scale (Chionaspis pinifoliae) is an important pest on pine and spruce. Overwintered Pine Needle Scale nymphs lay emerge […]

The Oystershell Scale (Lepidosaphes ulmi) is an important pest on a variety of trees. Overwintered Oystershell Scale nymphs lay emerge in […]

The Magnolia Scale (Neolecanium cornuparvum) is an important pest on Magnolia. Overwintered Magnolia Scale nymphs lay emerge in spring and the […]

The Juniper Scale (Carulaspis juniperi) is an important pest on Juniper. Overwintered Juniper Scale nymphs lay emerge in spring and the […]