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| saperda pequena del chopo (Saperda populnea); barrenador del alamo (Saperda populnea); gusano del alamo (Saperda populnea) | |||
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saperde du peuplier : 12 phrases in 3 subjects |
| Entomology | 6 |
| Natural resourses and wildlife conservation | 4 |
| Natural sciences | 2 |