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némate de l'épicéa Lygaeonematus abietinum; nématode de l'épicéa Nematus abietinum | |||
tenthride du pin (Gilpinia hercyniae) |
spruce sawfly : 16 phrases in 3 subjects |
Entomology | 3 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 12 |