| |||
| cochenille de l'orme (Gossyparis spuria); kermès de l'orme (Gossyparis spuria) | |||
|
elm scale : 7 phrases in 3 subjects |
| Entomology | 4 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 2 |
| |||
| cochenille de l'orme (Gossyparis spuria); kermès de l'orme (Gossyparis spuria) | |||
|
elm scale : 7 phrases in 3 subjects |
| Entomology | 4 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 2 |