A natural predator indigenous to India, Neodumetia sangawani, was found useful in controlling the Rhodes grass-scale insect that was devouring forage grass in many parts of the US.
人们发现来自印度本土的食肉动物 Neodumetia sangawani 有助于控制在罗德岛草场大规模泛滥的昆虫，这种昆虫吞食了美国多地的草场。
The results showed that pest increased as decrease of the neutral insectabundance, while predator abundance increased as increase of the insect abundance.
结果证明中性昆虫数量减少害虫数量增加，中性昆虫与害虫呈显著的负相关、与天敌呈显著的正相关。
The effect of predator, parasitoid, insect pest and neutral insect groups in the arthropod community in the weed habitat on the corresponding groups in the paddy habitat were varied.
杂草地生境节肢动物群落的害虫、中性昆虫、捕食性天敌和寄生性天敌亚群落对稻田生境相应亚群落的影响程度不同。
应用推荐