| Subject | English | Spanish |
| pest.contr. | pear rust | roya del peral Gymnosporangium sabinae |
| nat.sc., agric. | pear rust | roya del peral (Gymnosporangium fuscum, Gymnosporangium sabinae) |
| pest.contr., Chil. | pear rust mite | agamuzado del peral Epitrimerus pyri (Nal.) |