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| German cockroach (Blatella germanica, Phyllodromia germanica); croton bug (Blatella germanica, Phyllodromia germanica) | |||
| cockroach | |||
| German cockroach (Blatella germanica) | |||
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Hausschabe : 4 phrases in 2 subjects |
| Entomology | 2 |
| Natural resourses and wildlife conservation | 2 |