Answer:

borers

Answer	Crossword Clue
BORERS	Insects found in trees
BORERS	Shipworms and pickleworms
BORERS	Moles, e.g.

BORERS	Destructive bugs
BORERS	They're penetrating
BORERS	Augers
BORERS	... from within.
BORERS	Destructive insects.
BORERS	Beetles and termites.
BORERS	Boll weevils.
BORERS	Drillers.

BORERS	Corn pests.
BORERS	Insects.
BORERS	Certain tools.
BORERS	Gimlets and such.
BORERS	Baneful insects.
BORERS	Weevils.
BORERS	Weevils
BORERS	Shipworms.

BORERS	Corn pests
BORERS	Plant pests
BORERS	Destructive insects
BORERS	Iris pests
BORERS	Woodpeckers
BORERS	Shipworms, e.g.
BORERS	Damaging insects
BORERS	Bugs that live in trees

BORERS	Insects found in trunks
BORERS	Wood-damaging insects
BORERS	Orchard menaces
BORERS	Termites and drills
BORERS	Tunneling machines

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.