 |
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| Douglas fir beetle (Dendroctonus pseudotsugae) | |||
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| Douglas fir bark-beetle | |||
| dendroctone du Douglas: 3 do fraz, 2 tematyki |
| Entomologia, owadoznawstwo | 2 |
| Nauki przyrodnicze | 1 |
|
| |||
| Douglas fir beetle (Dendroctonus pseudotsugae) | |||
| |||
| Douglas fir bark-beetle | |||
| dendroctone du Douglas: 3 do fraz, 2 tematyki |
| Entomologia, owadoznawstwo | 2 |
| Nauki przyrodnicze | 1 |