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hylaste du sapin (Hylastes cunicularius); hylésine mineur de l'épicéa (Hylastes cunicularius); dondroctone rouge du pin Dentroctonus rufipennis |
spruce beetle : 19 phrases in 5 subjects |
Entomology | 10 |
Environment | 1 |
Natural resourses and wildlife conservation | 4 |
Natural sciences | 3 |
Pest control | 1 |