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| Subject | English | French |
| entomol. | Douglas fir bark-beetle | dendroctone du Douglas Dendroctonus pseudotsugae |
| nat.res., agric. | Douglas fir beetle | dendroctone du Douglas (Dendroctonus pseudotsugae) |
| nat.sc., agric. | douglas fir beetle | dendroctone du sapin douglas (Dendroctonus pseudotsugae) |
| entomol. | Douglas-fir beetle | dendroctone du sapin Douglas Dendroctonus pseudotsugae |