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This common pest has several control options, including natural enemies

机译:这种常见的害虫有几种防治方法,包括天敌

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摘要

With the flush of new growth in the spring, many insects arrive. One of the more obvious arrivals is the aphid—in high numbers and assorted colors. In northern regions they are found mostly outdoors in the spring and summer, but in southern regions they may be present throughout the year. Aphids are small (1-10 mm) and pear shaped. Colors vary by species, but the more common colors are green, red, yellow or black. They can be smooth or some of the more ornate, "woolly" aphids may have white fluff similar to mealybugs. To distinguish the aphid from another pest like a scale, look for cornicles—two "tail pipes" that extend from the end of its body.
机译:随着春季新植物的大量涌现,许多昆虫来了。蚜虫最明显的到来之一是数量众多且颜色各异的蚜虫。在北部地区,春季和夏季大多在户外发现它们,但是在南部地区,全年可能都在它们身上。蚜虫小(1-10毫米),梨形。颜色因物种而异,但更常见的颜色是绿色,红色,黄色或黑色。它们可以是光滑的,或者某些更华丽的“羊毛状”蚜虫可能具有类似于粉虱的白色绒毛。为了将蚜虫与其他有害生物(例如鳞片)区分开来,寻找角质-从其身体末端伸出的两个“尾管”。

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    《Nursery Management》 |2011年第6期|共4页
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  • 中图分类 园艺;
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