| Subject | English | Spanish |
| agric. | crushed oyster shells | conchas trituradas |
| agric., fish.farm. | oyster shell | concha de ostra |
| nat.sc., agric. | oyster shell scale | cochinilla ostreiforme (Aspidiotis ostreaeformis) |
| econ., agric., fish.farm. | oyster shells | conchilla de ostra |
| gen. | oyster shells | conchas de ostras |
| nat.sc., agric. | oyster-shell scale | cochinilla ostriforme (Aspidiotus ostreaeformis, Quadraspidiotus ostreaeformis) |
| entomol. | oyster-shell scale | cochinilla ostriforme Quadraspidiotus ostreaeformis |
| entomol., Arg. | oyster-shell scale | cochinilla del álamo Quadraspidiotus ostreaeformis |
| agric. | oyster-shell scale | quereza ostriforme (Aspidiotus ostreaeformis, Quadraspidiotus ostraeformis) |
| entomol., Chil. | red oyster shell scale | conchuela blanca del peral Epidiaspis leperii (Sign.) |
| entomol., span. | red oyster shell scale | cochinilla roja del peral Epidiaspis leperii (Sign.) |
| entomol., urug.sp. | red oyster shell scale | cochinilla gris del peral Epidiaspis leperii (Sign.) |
| nat.sc., agric. | red oyster shell scale | cochinilla roja del peral (Diaspis leperii) |