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| ädelgranbarrlus (Adelges nordmannianae, Adelges nuesslini, Chermes nuesslini, Dreyfusia nordmannianae, Dreyfusia nuesslini) | |||
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| ädelgranstamlus (Adelges piceae, Chermes piceae, Dreyfusia piceae) | |||
| silver fir adelges: 2 Phrasen in 1 Thematik |
| Naturwissenschaften | 2 |