| Subject | English | Dutch |
| nat.sc., agric. | pear tree psylla | gewone perebladvlo (Cacopsylla pyri, Psylla piri, Psyllia pyri) |
| construct. | pear tree wood | perehout (pyrus communis) |
| nat.sc., agric. | sinuate pear tree borer | perenspiraalboorder (Agrilus sinuatus) |
| nat.sc., agric. | sinuate pear tree borer | perenringworm (Agrilus sinuatus) |
| nat.sc., agric. | sinuate pear tree borer | ringworm (Agrilus sinuatus) |