| DEATHWATCH | Insect, Xestobium rufovillosum, whose woodboring larvae are a serious pest (10) |
| BEETLE | Insect, Xestobium rufovillosum, whose woodboring larvae are a serious pest (6) |
| DEATHWATCHBEETLE | The insect Xestobium rufovillosum that produces a rapid tapping sound with its head |
| MEALMOTH | Small, butterfly-like creature whose larvae are a pest of stored grain (4,4) |
| TIGERMOTHS | Insects whose larvae are "woolly bears" (5,5) |
| COLORADOBEETLE | A black-and-yellow insect; a serious pest of potatoes (8,6) |
| BEE | The varroa mite is a serious pest of this insect (3) |
| ICHNEUMONFLY | Any hymenopterous insect whose larvae are parasitic in caterpillars and other insect larvae (9,3) |
| RATHER | A serious pest, that girl? I should say! |
| BEES | The varroa mite is a serious pest of these insects (4) |
| POTATO | Crop of which Colorado beetle is a serious pest |
| MOTH | The codlin ___ is a serious pest of apple trees (4) |
| CORNBORER | The larva of the pyralid moth Pyrausta nubilalis, which is a serious pest of maize |
| WARBLEFLY | Dipterous insect whose larvae are endoparasites of cattle, etc. (6,3) |
| ANTLION | Neuropterous insect of the family Myrmeleontidae whose larvae are commonly called doodlebugs in the US (7) |
| FLY | Insect whose larvae are maggots |
| GRUBS | Insect larvae are reportedly eaten by assorted bugs (5) |
| CATACAIA | Moths whose larvae are cutworms. |
| CABBAGE | - white; species of butterfly whose larvae are considered pests by allotment holders and vegetable gardeners (7) |
| BEETLES | Insects whose larvae are mealworms (7) |