Tent Caterpillars are
more unsightly than destructive. However, new nests like the one above,
are much less offensive to the eye than the perforated dropping-laden abandoned
nests, which later attract dirty debris.
Favored trees or shrubs may contain
many such nests, and the concentration of Caterpillars may denude the host.
Some nests harbor a dozen or two, while others may have many dozens of
center image shows the trail
of webbing left behind by individuals on their nocturnal forays to and
from the nearby foliage. It is thought that this trail is needed by
Caterpillars to find their way back to the daylight security of the
The matured Caterpillars tend
to vacate their dirty nests and migrate to nearby food sources. Because
of this migration, a gardener may find one or two on the underside of garden
plants where they seek shelter from natural predators. But this lack of
concentration does not pose a major threat which requires the application
A major predator is the Black-billed
Cuckoo, which uses its downward-curving bill to invade these nests and
those of theWebworms,
which appear later in the year.
To quickly remove the nests and occupants, go HERE