| Subject | English | Spanish |
| nat.sc., agric. | pear psylla | psila del peral (Psylla pyricola) |
| nat.sc., agric. | pear psylla | pulguilla del peral (Psylla pyricola) |
| entomol. | pear psylla | psila del peral Psylla pyri, Psylla pyricola |
| entomol. | pear psylla | mieleta del peral Psylla pyri, Psylla pyricola |
| agric. | pear psylla | psílido del peral (Psylla pirisuga) |
| nat.sc., agric. | pear tree psylla | psilido del peral (Cacopsylla pyri, Psylla piri, Psyllia pyri) |
| nat.sc., agric. | pear tree psylla | psila de la pera (Cacopsylla pyri, Psylla piri, Psyllia pyri) |