寄生小麦粒中的米象与玉米象的蜂量之间差异不显著,雌雄性比之间也差异不显著。
然而在上世纪初期,棉铃象甲开始侵嗜美国南部的棉花农场。
象甲物种多样性与土壤养分、植被恢复时间长短、恢复措施和经营措施存在一定关系。
从长远来看,他们发现棉铃象甲虫虽破坏了农作物,但实际上反倒帮了他们的忙。
文章介绍具体防治方法,并应用聚集信息素对红棕象甲成虫进行田间引诱试验。
好吧,我们假设哈,明天一只象鼻虫把地球上所有的流金岁月烟都吃掉了。
在马达加斯加有已知的1300种象鼻虫,比如毛毛象鼻虫和上面所说的长颈象鼻虫都是这个岛上所有的。
1993年,卡诺曾与坡因纳尔以及其他人一道,试图从琥珀中一只一亿两千五百万年前的象鼻虫体内提取DNA标本。
啮齿动物鉴别虫蛀种子的能力及其对坚果植物更新的潜在影响
1·The country has pretty much defeated the boll weevil, and the Department of Agriculture individually tests every bale on obscure measures.
这个国家几乎已经打败了棉铃象鼻虫,农业部对每包棉铃都用复杂难懂的方法进行了单独的测试。
2·CIBC successfully used a seed-feeding weevil, native to Mexico, to control the obnoxious parthenium weed, known to exert devious influence on agriculture and human health in both India and Australia.
加拿大帝国商业银行成功地使用了一种原产于墨西哥的以种子为食的象鼻虫来控制讨厌的帕特农杂草,这种杂草已知会对印度和澳大利亚的农业和人类健康产生负面影响。
3·The hoax included the claim that because of a mild winter and the elimination of the "dreaded spaghetti weevil," Swiss farmers were experiencing a highly successful "spaghetti crop.
“全景图”宣传,由于冬季气温暖和,恐怖的象鼻虫已经消灭,瑞士农民正沉浸在面条大丰收的喜悦之中。
4·Humans turn a screw to make it move along its length, but the weevil's muscles pull along the length of its leg to make it turn.
人类旋转螺丝使其前进,而象鼻虫的肌肉沿着腿的方向牵拉,使其旋转。
5·Farm demonstration work in the South helped to fight the cotton boll weevil.
南部农场示范工作大大帮助了对棉花象鼻虫的防治。
1·In the early years of the century, the boll weevil began devastating the cotton farms in the south.
在上世纪初期,棉铃象甲开始破坏南部的棉花农场。
2·Weevil starts to work for Keith and goes out on his first assignment;
象甲开始为基思工作,去了他的第一个任务;