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| San-José-Schildlaus f (Aspidiotus perniciosus, Quadraspidiotus perniciosus); Kalifornische Schildlaus (Aspidiotus perniciosus, Quadraspidiotus perniciosus) | |||
| Kalifornische Schildlaus (Quadraspidiotus pemiciosus); San-Jose-Schildlaus f (Quadraspidiotus pemiciosus) | |||
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Chinese scale : 4 a las frases, 2 temas |
| Ciencias naturales | 2 |
| Entomologia | 2 |