| |||
| schuimblaasjes n; schuimbeestje (Philaenus leucophthalmus, Philaenus spumarius); schuim n | |||
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| schuimcicaden f (Cercopidae) | |||
|
spittle bug : 4 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 3 |
| Zoology | 1 |
| |||
| schuimblaasjes n; schuimbeestje (Philaenus leucophthalmus, Philaenus spumarius); schuim n | |||
| |||
| schuimcicaden f (Cercopidae) | |||
|
spittle bug : 4 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 3 |
| Zoology | 1 |