beneficial insect

Paederus medical pests, but it is beneficial insect agriculture.

隐翅虫是医学害虫, 但它确是农业上的益虫.

It has obvious effect to wheat or vegetable aphis, and no harm to and beneficial insect.

本杀虫剂对小麦蚜虫和蔬菜蚜虫防效显著, 对天敌和人畜无害.

gecko is a beneficial insect ah, it is best not to kill them, drive them out just fine.

壁虎是益虫啊，最好是不要杀死们，赶出去就好了。

Research on the insect brain neuropeptides and neuroendocrine system is one of the important fields of modem molecular biology, and is also a frontier field of beneficial insect utilization and biological pesticides development.

昆虫脑神经肽和昆虫神经内分泌系统（neuroendocrine system）的研究是现代分子生物学的重要领域之一，也是益虫利用、害虫生物防治的前沿研究领域。