Gypsy moths are potentially the most destructive, defoliating, leaf-eating insects ever introduced into North America.
(Gypsy moths; are potentially; the most destructive, defoliating, leaf-eating insects ever introduced into North America) (the most destructive, defoliating, leaf-eating insects; introduced; into North America; T:ever)
Gypsy moths the most destructive, defoliating, leaf-eating insects
are potentially introduced
the most destructive, defoliating, leaf-eating insects ever introduced into North America
into North America T:ever