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| Gallenblattlaus der Johannisbeere (Aphis ribis, Capitophorus ribis, Cryptomyzus ribis); Johannisbeerbeulenlaus f (Aphis ribis, Capitophorus ribis, Cryptomyzus ribis); Johannisbeerblasenlaus f (Aphis ribis, Capitophorus ribis, Cryptomyzus ribis) | |||
| red currant aphid: 4 phrases in 1 subject |
| Natural resourses and wildlife conservation | 4 |