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tulip tree
| aphid
| tulip tree | |
| biol. | Liriodendron L.; Liriodendron chinese Sargent; Liriodendron tulipifora L. |
| aphid | |
| biol. | Aphididase |
| nat.res. agric. | Aphididae |
| pest.contr. | Toxoptera aurantii |
| aphids | |
| entomol. | Aphididae |
| |||
| Liriodendron L.; Liriodendron chinese Sargent; Liriodendron tulipifora L. | |||
| Liriodendron tulipifera | |||
| tulip tree: 5 phrases in 4 subjects |
| Biology | 1 |
| Entomology | 2 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 1 |