同时,探索了松实小卷蛾的室内饲养方法。
结果表明:卷蛾分索赤眼蜂的嗅觉反应不仅与挥发物组分的种类有关,而且与每一种物质的浓度也有一定的关系。
The results indicated that olfactory responses of T. bactrae were influenced not only by volatile components but also by concentrations of each component.
在缅因州,美国林业局的丹尼尔·詹宁斯征募蜘蛛来与云杉芽卷蛾——东北部云杉和冷杉林最凶恶的敌人——作战。
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.
我每天从这只凤蝶蛾毛虫旁边经过,它把自己卷在一棵黄樟树的叶子里,起初还是一条小小的绿虫。
Every day I walked past this spicebush swallowtail caterpillar. It hid inside a rolled-up sassafras leaf; it was just a little green thing at first.
我每天从这只凤蝶蛾毛虫旁边经过,它把自己卷在一棵黄樟树的叶子里,起初还是一条小小的绿虫。
Every day I walked past this spicebush swallowtail caterpillar. It hid inside a rolled-up sassafras leaf; it was just a little green thing at first.
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