单词 | elm sawfly |
释义 | elm sawflynoun : a large American sawfly (Cimbex americana) that has knobbed antennae, orange-tinged tarsi, black head and thorax with somewhat lighter, spotted abdomen, and smoke brown wings, and produces yellowish or greenish white larvae with a dorsal black stripe which are vigorous defoliators chiefly of elm and willow |
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