| Insecticide ingredient: Comb. form | 34 |
| Insecticide ingredient | 22 |
| Insecticide in disrepute | 24 |
| Insecticide device | 18 |
| Insecticide brand | 17 |
| Insecticide banned since 1973 | 29 |
| Insecticide banned since 1972 | 29 |
| Insecticide banned in 1972 | 26 |
| Insecticide banned by the EPA | 29 |
| Insecticide alternative | 23 |
| Insecticide | 11 |
| Insectarium's place | 23 |
| Insect: Prefix | 14 |
| Insect: Comb. form | 18 |
| Insect-world animated film | 26 |
| Insect-trapping tools | 21 |
| Insect-trapping resin | 21 |
| Insect-resistant plant, e.g., briefly | 37 |
| Insect-repelling compound | 25 |
| Insect-repelling chemical | 25 |
| Insect-repellent wood | 21 |
| Insect-repellent compound | 25 |
| Insect-eating songbird | 22 |
| Insect-eating singers | 21 |
| Insect-eating plants | 20 |
| Insect-eating plant | 19 |
| Insect-eating mammal of Madagascar | 34 |
| Insect-eating mammal | 20 |
| Insect-eating lizard | 20 |
| Insect-eating birds | 19 |
| Insect-eating bird | 18 |
| Insect-eater of Madagascar. | 27 |
| Insect-eater | 12 |
| Insect-catching tool | 20 |
| Insect-catching bird | 20 |
| Insect's working hours? | 27 |
| Insect's wings | 18 |
| Insect's wing | 17 |
| Insect's vital vessel | 25 |
| Insect's trill | 18 |
| Insect's trachea, e.g. | 26 |
| Insect's stinger | 20 |
| Insect's spiracle | 21 |
| Insect's sensory organs | 27 |
| Insect's sensory organ | 26 |
| Insect's sensory device | 27 |
| Insect's sensory appendage | 30 |
| Insect's sensor | 19 |
| Insect's sense organs | 25 |
| Insect's secretion | 22 |
| Insect's receptacle | 23 |
| Insect's quiescent stage | 28 |
| Insect's post-pupal stage | 29 |
| Insect's pair | 17 |
| Insect's orifice | 20 |
| Insect's organ of sense | 27 |
| Insect's organ | 18 |
| Insect's opening for air | 28 |
| Insect's mouth part | 23 |
| Insect's middle | 19 |
| Insect's lower lip | 22 |
| Insect's lips | 17 |
| Insect's legal document? | 28 |
| Insect's home | 17 |
| Insect's forehead | 21 |
| Insect's final stage of life | 32 |
| Insect's final stage | 24 |
| Insect's feeler | 19 |
| Insect's eye | 16 |
| Insect's egg-laying apparatus | 33 |
| Insect's dessert | 20 |
| Insect's crop | 17 |
| Insect's bedtime ritual? | 28 |
| Insect's appendage | 22 |
| Insect's antenna | 20 |
| Insect's adult stage | 24 |
| Insect young | 12 |
| Insect you can see in the dark | 30 |
| Insect wound | 12 |
| Insect with striped wings | 25 |
| Insect with pincers | 19 |
| Insect with lime-green wings | 28 |
| Insect with grasping forelegs | 29 |
| Insect with forceps | 19 |
| Insect with eyespots on its wings | 33 |
| Insect with eyespots | 20 |
| Insect with abdominal pincers | 29 |
| Insect with a stinger | 21 |
| Insect with a slender waist | 27 |
| Insect with a shiner? | 21 |
| Insect with a queen | 19 |
| Insect with a pollen basket | 27 |
| Insect with a name from the Greek word for "prophet" | 62 |
| Insect with a long proboscis | 28 |
| Insect with a 17-year life cycle | 32 |
| Insect wings | 12 |
| Insect wing | 11 |
| Insect whose larvae destroy foliage | 35 |
| Insect traps | 12 |
| Insect trapper | 14 |