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| silver fir adelges (Adelges nordmannianae, Adelges nuesslini, Chermes nuesslini, Dreyfusia nordmannianae, Dreyfusia nuesslini); silver fir migratory adelges (Adelges nordmannianae, Adelges nuesslini, Chermes nuesslini, Dreyfusia nordmannianae, Dreyfusia nuesslini) | |||
| balsam twig aphid (Mindarus abietinus) | |||
| Tannentrieblaus: 2 phrases in 1 subject |
| Natural sciences | 2 |