| Subject | Spanish | English |
| pest.contr., Chil. | agamuzado del peral Epitrimerus pyri (Nal.) | pear rust mite |
| nat.sc., agric. | agrilo del peral | sinuate pear tree borer (Agrilus sinuatus) |
| nat.sc., agric. | agrilo del peral | pear borer (Agrilus sinuatus) |
| pest.contr. | virus del amarilleo de la nervadura de las hojas del peral | vein yellows of pear |
| pest.contr. | amarilleo de las nerviaciones del peral | pear vein yellows |
| pest.contr. | virus del amarilleo de las venas del peral | vein yellows of pear |
| entomol. | antónomo deinvierno del peral Anthonomus pyri | pear blossom weevil |
| entomol. | antónomo deinvierno del peral Anthonomus pyri | apple bud weevil |
| entomol. | antónomo del peral Anthonomus pyri | apple bud weevil |
| entomol. | antónomo del peral Anthonomus pyri | pear blossom weevil |
| agric. | antónomo del peral | apple bud weevil (Anthonomus pyri) |
| entomol., span. | babosa del peral Caliroa cerasi (C. limacina, L.) | pear slug |
| entomol., span. | babosa del peral Caliroa cerasi (C. limacina, L.) | pear and cherry slugworm |
| entomol., span. | babosa del peral Caliroa cerasi (C. limacina, L.) | pear sawfly |
| entomol., span. | babosa del peral Caliroa cerasi (C. limacina, L.) | pear and cherry sawfly |
| entomol., span. | babosa del peral Caliroa cerasi (C. limacina, L.) | pear and cherry slug sawfly |
| nat.res. | babosilla del cerezo y peral | pear slug US (Caliroa cerasi, Caliroa limacina, Eriocampoides limacina) |
| nat.res. | babosilla del cerezo y peral | pear and cherry slug sawfly (Caliroa cerasi, Caliroa limacina, Eriocampoides limacina) |
| entomol., Arg. | babosita de los perales Caliroa cerasi (C. limacina, L.) | pear sawfly |
| entomol., Arg. | babosita de los perales Caliroa cerasi (C. limacina, L.) | pear and cherry sawfly |
| entomol., Arg. | babosita de los perales Caliroa cerasi (C. limacina, L.) | pear slug |
| entomol., Arg. | babosita de los perales Caliroa cerasi (C. limacina, L.) | pear and cherry slugworm |
| entomol., Arg. | babosita de los perales Caliroa cerasi (C. limacina, L.) | pear and cherry slug sawfly |
| entomol. | barrenador delos brotes del peral Janus compressus (F.) | janus compressus |
| agric. | barrenillo del peral | sinuate pear tree borer (Agrilus sunuatus) |
| agric. | barrenillo del peral | pear borer (Agrilus sunuatus) |
| agric. | caracha del peral | pear scab (Fusicladium pirinum, Venturia pirina) |
| nat.sc., agric. | cecidomia de las hojas del peral | pear leaf-curling midge (Dasyneura piri, Dasyneura pyri, Perrisia pyri) |
| entomol. | cecidomia de las hojas del peral Dasineura pyri (Bch.) | pear leaf-roller |
| entomol. | cecidomia de las hojas del peral Dasineura pyri (Bch.) | pear leaf-curling midge |
| entomol. | cecidomia de las hojas del peral Dasineura pyri (Bch.) | pear leaf midge |
| nat.sc., agric. | cecidomia de las hojas del peral | pear leaf midge (Dasyneura piri, Dasyneura pyri, Perrisia pyri) |
| entomol. | cecidomia del peral Contarinia pyrivora (Ril.) | pear midge |
| agric. | cecidomia del peral | pear midge (Contarinia pyrivora) |
| nat.sc., agric. | cefido del peral | janus compressus (Cephus compressus, Janus compressus) |
| pest.contr. | chancro del manzano y del peral Nectria galligena | eye rot |
| pest.contr. | chancro del manzano y del peral Nectria galligena | Nectria canker |
| pest.contr. | chancro del manzano y del peral Nectria galligena | European canker |
| pest.contr. | chancro del manzano y del peral Nectria galligena | apple and pear canker |
| pest.contr. | chancro pustuloso del peral | blister canker of pear |
| entomol. | chinche del peral Stephanitis pyri (F.) | pear tingid |
| agric. | chinche del peral | pear tingitid (Stephanitis pyri) |
| entomol. | chinche del peral Stephanitis pyri (F.) | pear lace bug |
| entomol. | chinche del peral Stephanitis pyri (F.) | pearlace bug |
| agric. | chinche del peral | pear lace bug (Stephanitis pyri) |
| entomol., span. | cochinilla roja del peral Epidiaspis leperii (Sign.) | red oyster shell scale |
| entomol., span. | cochinilla roja del peral Epidiaspis leperii (Sign.) | Italian pear scale |
| entomol., urug.sp. | cochinilla gris del peral Epidiaspis leperii (Sign.) | red oyster shell scale |
| entomol., urug.sp. | cochinilla gris del peral Epidiaspis leperii (Sign.) | Italian pear scale |
| nat.sc., agric. | cochinilla gris del peral | Italian pear scale (Diaspis leperii, Epidiaspis betulae) |
| nat.sc., agric. | cochinilla roja del peral | red oyster shell scale (Diaspis leperii) |
| nat.sc., agric. | cochinilla roja del peral | Italian pear scale (Diaspis leperii) |
| entomol., Chil. | conchuela blanca del peral Epidiaspis leperii (Sign.) | red oyster shell scale |
| entomol., Chil. | conchuela blanca del peral Epidiaspis leperii (Sign.) | Italian pear scale |
| gen. | cribado del peral del Japón | Japanese pear scab (Venturia nashicola) |
| entomol. | céfido del peral Janus compressus (F.) | janus compressus |
| pest.contr. | dibujo en anillos del peral | pear ring pattern mosaic |
| entomol. | enrollador de las hojas del peral Dasineura pyri (Bch.) | pear leaf-roller |
| entomol. | enrollador de las hojas del peral Dasineura pyri (Bch.) | pear leaf midge |
| entomol. | enrollador de las hojas del peral Dasineura pyri (Bch.) | pear leaf-curling midge |
| entomol. | erinosis del peral Eriophyes pyri | pear leaf blister mite |
| nat.sc., agric. | erinosis del peral | pear leaf blister mite (Eriophyes phytoptus, Eriophyes piri, Eriophyes pyri, Phytoptus piri, Phytoptus pyri) |
| entomol., Chil. | erinosis del peral y manzano Eriophyes pyri | pear leaf blister mite |
| nat.sc., agric. | eriofies del peral | pear leaf blister mite (Eriophyes phytoptus, Eriophyes piri, Eriophyes pyri, Phytoptus piri, Phytoptus pyri) |
| agric. | eriófido de las hojas del peral | pear leaf blister mite (Eriophyes pyri) |
| entomol. | filobio del peral Phyllobius pyri (L.) | pear leaf eating weevil |
| entomol. | filobio del peral Phyllobius pyri (L.) | large green weevil |
| entomol. | filobio del peral Phyllobius pyri (L.) | common leaf weevil |
| nat.sc., agric. | filobio del peral | pear leaf eating weevil (Phyllobius piri, Phyllobius pyri) |
| nat.sc., agric. | filobio del peral | larger green weevil (Phyllobius piri, Phyllobius pyri) |
| nat.sc., agric. | filobio del peral | common leaf weevil (Phyllobius piri, Phyllobius pyri) |
| pest.contr. | fogón del peral Erwinia amylovora | fire blight of pear |
| pest.contr. | virus del fruto óseo del peral | vein yellows of pear |
| pest.contr. | fuego bacteriano del peral Erwinia amylovora | fire blight of pear |
| nat.sc., agric. | gorgojo del peral | pear blossom weevil (Anthonomus cinctus, Anthonomus pyri) |
| entomol. | gorgojo del peral Anthonomus pyri | pear blossom weevil |
| entomol. | gorgojo del peral Anthonomus pyri | apple bud weevil |
| agric. | gorgojo del peral | apple bud weevil (Anthonomus pyri) |
| entomol. | hoplocampa del peral Hoplocampa brevis (Klug) | pear sawfly |
| nat.sc., agric. | hoplocampa del peral | pear sawfly (Hoplocampa brevis) |
| entomol. | hoplocampa del peral y del ciruelo Hoplocampa minuta | plum sawfly |
| entomol. | hoplocampa del peral y del ciruelo Hoplocampa brevis (Klug) | pear sawfly |
| nat.sc., agric. | lida del peral | social pear sawfly (Lyda clypeata, Lyda flaviventris, Lyda pyri, Lyda saltuum, Neurotoma clypeata, Neurotoma flaviventris, Neurotoma pyri, Neurotoma salturna, Neurotoma saltuum) |
| entomol. | lida del peral Neurotoma flaviventris | social pear sawfly |
| entomol. | lida del peral Neurotoma flaviventris | pear web-spinning sawfly |
| nat.sc., agric. | lida del peral | pear web-spinning sawfly (Lyda clypeata, Lyda flaviventris, Lyda pyri, Lyda saltuum, Neurotoma clypeata, Neurotoma flaviventris, Neurotoma pyri, Neurotoma salturna, Neurotoma saltuum) |
| nat.sc., agric. | manchas blancas de las hojas del peral | ashy leaf spot of pears (Mycosphaerella sentina) |
| pest.contr. | manchas blancas de las hojas del peral Mycosphaerella sentina | ashy leaf spot of pear |
| pest.contr. | manchas blancas de las hojas del peral Mycosphaerella sentina | leaf speck of pear |
| nat.sc., agric. | manchas blancas de las hojas del peral | pear leaf spot (Mycosphaerella sentina) |
| nat.sc., agric. | manchas blancas de las hojas del peral | leaf fleck of pears (Mycosphaerella sentina) |
| nat.res., agric. | micoplasma de la tristeza de peral | pear decline mycoplasm |
| entomol. | mieleta del peral Psylla pyri, Psylla pyricola | pear sucker |
| entomol. | mieleta del peral Psylla pyri, Psylla pyricola | pear psylla |
| pest.contr. | virus del mosaico anular del peral | ring pattern mosaic of pear |
| pest.contr. | mosaico anular del peral | pear ring pattern mosaic |
| pest.contr. | mosaico en anillos del peral | pear ring pattern mosaic |
| nat.sc., agric. | mosquito del peral | pear midge (Contarinia pyrivora Rilaf) |
| pest.contr. | moteado del peral Venturia pirina | pear scab |
| nat.sc., agric. | moteado del peral | pear scab (Fusicladium pirinum, Venturia pirina) |
| pest.contr. | moteado rojo del peral | red mottle of pear |
| bot. | peral de las Indias Psidium guajava var. pyriferum | pear-shaped guava |
| nat.sc., agric. | peral de las Indias | pear-shaped guava (Psidium guajava var. pyriferum) |
| nat.sc., agric. | peral de las Indias | white guava (Psidium guajava var. pyriferum) |
| bot. | peral de las Indias Psidium guajava var. pyriferum | white guava |
| bot. | peral de monte Sorbus terminalis | chequer tree |
| bot. | peral de monte Sorbus terminalis | wild service tree |
| entomol. | picudo del peral Anthonomus pyri | pear blossom weevil |
| entomol. | picudo del peral Anthonomus spilotus | pear leaf weevil |
| entomol. | picudo del peral Anthonomus pyri | apple bud weevil |
| agric. | picudo del peral | apple bud weevil (Anthonomus pyri) |
| nat.sc., agric. | piedra del peral | stony pit |
| nat.sc., agric. | piedra del peral | stony pit of pears |
| nat.sc., agric. | piedra del peral | lithiasis of pears |
| agric. | piedra del peral | lithiasis pit of pears |
| entomol. | piojo del peral Quadraspidiotus pyri | pear scale |
| entomol. | piojo del peral Quadraspidiotus pyri | Northern yellow scale |
| pest.contr. | podredumbre del tronco del manzano y el peral Phytophthora cactorum | fruit rot of pear |
| nat.sc., agric. | psila del peral | pear sucker (Psylla austriaca, Psylla pirisuga, Psylla pyrisuga, Psylla rufitarsis, Psylla rutila) |
| nat.sc., agric. | psila del peral | pear psyllids (Psylla pyricola) |
| entomol. | psila del peral Psylla pyri, Psylla pyricola | pear psylla |
| entomol. | psila del peral Psylla pyri, Psylla pyricola | pear sucker |
| nat.sc., agric. | psila del peral | pear psylla (Psylla pyricola) |
| nat.sc., agric. | psilido del peral | pear tree psylla (Cacopsylla pyri, Psylla piri, Psyllia pyri) |
| agric. | psílido del peral | pear sucker (Psylla pirisuga) |
| agric. | psílido del peral | pear psylla (Psylla pirisuga) |
| nat.sc., agric. | pulguilla del peral | pear sucker (Psylla pyricola) |
| nat.sc., agric. | pulguilla del peral | pear psyllids (Psylla pyricola) |
| nat.sc., agric. | pulguilla del peral | pear psylla (Psylla pyricola) |
| entomol. | pulgón del peral Dysaphis pyri | pear bedstraw aphid |
| entomol. | pulgón del peral Dysaphis pyri | bedstraw aphid |
| entomol. | pulgón del peral Dysaphis pyri | pear aphid |
| nat.sc., agric. | pulgón del peral | pear bedstraw aphid (Dysaphis pyri, Sappaphis mala, Sappaphis piri, Yezabura piri) |
| nat.sc., agric. | pulgón del peral | pear aphid (Dysaphis pyri, Sappaphis mala, Sappaphis piri, Yezabura piri) |
| nat.sc., agric. | pulgón del peral | bedstraw aphid (Dysaphis pyri, Sappaphis mala, Sappaphis piri, Yezabura piri) |
| entomol. | pulgón negro del peral Anuraphis farfarae | pear-coltsfoot aphid |
| entomol. | pulgón pardo del peral Melanaphis pyraria | pear-grass aphid |
| entomol. | pulgón pardo del peral Melanaphis pyraria | brown pear aphid |
| entomol., span. | pulgón verde del manzano y peral Aphis pomi (Deg.) | permanent apple aphid |
| entomol., span. | pulgón verde del manzano y peral Aphis pomi (Deg.) | apple aphid |
| entomol., span. | pulgón verde del manzano y peral Aphis pomi (Deg.) | green apple aphid |
| pest.contr. | roya del peral Gymnosporangium sabinae | cluster cups |
| pest.contr. | roya del peral Gymnosporangium sabinae | pear rust |
| nat.sc., agric. | roya del peral | pear rust (Gymnosporangium fuscum, Gymnosporangium sabinae) |
| pest.contr. | roña del peral Venturia pirina | pear scab |
| nat.sc., agric. | roña del peral | pear scab (Fusicladium pirinum, Venturia pirina) |
| entomol., span. | sarna del peral Eriophyes pyri | pear leaf blister mite |
| pest.contr. | sarna del peral Venturia pirina | pear scab |
| nat.sc., agric. | sarna del peral | pear scab (Fusicladium pirinum, Venturia pirina) |
| pest.contr. | septoriosis de las hojas del peral Mycosphaerella sentina | leaf speck of pear |
| pest.contr. | septoriosis de las hojas del peral Mycosphaerella sentina | ashy leaf spot of pear |
| pest.contr. | septoriosis del peral Mycosphaerella sentina | leaf speck of pear |
| nat.sc., agric. | septoriosis del peral | leaf fleck of pears (Mycosphaerella sentina) |
| nat.sc., agric. | septoriosis del peral | pear leaf spot (Mycosphaerella sentina) |
| pest.contr. | septoriosis del peral Mycosphaerella sentina | ashy leaf spot of pear |
| nat.sc., agric. | septoriosis del peral | ashy leaf spot of pears (Mycosphaerella sentina) |
| entomol. | tentredino del peral Hoplocampa brevis (Klug) | pear sawfly |
| entomol. | tigre del peral Stephanitis pyri (F.) | pear lace bug |
| entomol. | tigre del peral Stephanitis pyri (F.) | pear tingid |
| entomol. | tigre del peral Stephanitis pyri (F.) | pearlace bug |
| agric. | tigre del peral | pear tingitid (Stephanitis pyri) |
| agric. | tigre del peral | pear lace bug (Stephanitis pyri) |
| pest.contr. | tizón violento del peral Erwinia amylovora | fire blight of pear |
| entomol., Arg. | trips del peral Taeniothrips inconsequens (Uzel) | fruit tree thrips |
| entomol., Arg. | trips del peral Taeniothrips inconsequens (Uzel) | pear thrips |
| nat.sc., agric. | trips del peral | pear thrips (Taeniothrips inconsequens, Taeniothrips pyri) |
| nat.sc., agric. | trips del peral | fruit tree thrips (Taeniothrips inconsequens, Taeniothrips pyri) |
| agric. | ácaro de la erinosis del peral | pear leaf blister mite (Eriophyes pyri) |
| entomol., urug.sp. | ácaro del peral Eriophyes pyri | pear leaf blister mite |
| nat.sc., agric. | ácaro del peral | pear leaf blister mite (Eriophyes phytoptus, Eriophyes piri, Eriophyes pyri, Phytoptus piri, Phytoptus pyri) |