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| puceron des serres (Aulacorthum circumflexus, Myzus circumflexus, Neomyzus circumflexus); puceron du lis (Aulacorthum circumflexus, Myzus circumflexus, Neomyzus circumflexus) | |||
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arum aphid : 4 phrases, 2 sujets |
| Entomologie | 1 |
| Sciences naturelles | 3 |