spruce budworm

常见例句

In maine daniel jennings of the u. s. forest service has enlisted spiders in the war against the spruce budworm the northeast's most devastating enemy of spruce and fir forests.
在緬因州，美國林業侷的丹尼爾-詹甯斯征募蜘蛛來與雲杉芽卷蛾——東北部雲杉和冷杉林最兇惡的敵人——作戰。
In the forests of New Brunswick, for example, various pesticides have been sprayed in the past 25 years in efforts to control the spruce budworm , an economically significant pest.
例如，在NB的森林裡，過去的25年裡，多種殺蟲劑被噴灑以控制雲杉蚜蟲，一種經濟上嚴重的病害蟲。
The moths also look the same at first glance, and Miller says this drawer holds nothing but a single species of spruce budworm, an infamous pest of eastern forests in North America.
第一眼瞥去，這些蛾也長得完全一樣，Miller說這個抽屜內僅有一種雲杉蚜蟲——北美洲東麪樹林內一類不知名的害蟲。