| 单词 | Fenusa pusilla |
| 释义 | Fenusa pusilla (extremely rare) n WORD FAMILY Fenusa pusilla n small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation Syn|Hyper birch leaf miner sawfly insect whose female has a saw-like ovipositor for inserting eggs into the leaf or stem tissue of a host plant |
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