| Clue | Source | Date |
|---|---|---|
| Weevils | Canadiana | 09 Jan 2023 |
| Destructive insects | Wall Street Journal | 22 Mar 2022 |
| Hole-making bugs | Newsday | 19 Sep 2021 |
| Termites and drills | New York Times | 15 Jan 2019 |
| Termites and drills | ||
| Tunneling machines | New York Times | 23 Jun 2018 |
| Tunneling machines | ||
| Destructive beetles | LA Times Daily | 17 Dec 2016 |
| Destructive insects | Newsday | 13 Nov 2016 |
| Orchard menaces | ||
| Wood-damaging insects | ||
| Augers | ||
| Moles, e.g. | ||
| They're penetrating | ||
| Insects found in trunks | ||
| Insects found in trees | ||
| Destructive bugs | ||
| Bugs that live in trees | ||
| Shipworms and pickleworms | ||
| Shipworms and pickleworms | ||
| Damaging insects | ||
| Shipworms, e.g. | ||
| Augers | ||
| Woodpeckers | ||
| Iris pests | ||
| Farmers' bêtes noires | ||
| Destructive insects | ||
| Plant pests | ||
| Corn pests | ||
| Gimlets and such. | ||
| Drillers. | ||
| Certain tools. | ||
| Corn pests. | ||
| Beetles and termites. | ||
| ___ from within. | ||
| Insects. | ||
| Weevils | ||
| Shipworms. | ||
| Destructive insects. | ||
| Weevils. | ||
| Baneful insects. | ||
| Boll weevils. |