spruce budworm

常見例句

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(yè)局的丹尼爾-詹寧斯征募蜘蛛來與云杉芽卷蛾——東北部云杉和冷杉林最兇惡的敵人——作戰(zhàn)。
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的森林里，過去的25年里，多種殺蟲劑被噴灑以控制云杉蚜蟲，一種經(jīng)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(nèi)僅有一種云杉蚜蟲——北美洲東面樹林內(nèi)一類不知名的害蟲。