 |
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| 牡蛎蚧; 牡蛎介壳虫 | |||
| |||
| 榆蛎蚧苹蛎蚧，Lepidosaphes ulmi(L.)，蚧总科 | |||
| 桦笠圆盾蚧 Quadraspidiotus ostreaeformis; 榆蛎蚧 Quadraspidiotus ostreaeformis | |||
| oyster shell scale: 4 phrases in 2 subjects |
| Biology | 2 |
| Entomology | 2 |
|
| |||
| 牡蛎蚧; 牡蛎介壳虫 | |||
| |||
| 榆蛎蚧苹蛎蚧，Lepidosaphes ulmi(L.)，蚧总科 | |||
| 桦笠圆盾蚧 Quadraspidiotus ostreaeformis; 榆蛎蚧 Quadraspidiotus ostreaeformis | |||
| oyster shell scale: 4 phrases in 2 subjects |
| Biology | 2 |
| Entomology | 2 |