larvicide

1. Larvicidal oil or larvicide ( such as temephos, Bacillus thuringiensis subspecies israelensis etc.) can be applied to stagnant water directly with dosage according to the label instructions.
   须直接向积水用蚊油或杀幼虫剂（例如相硫磷、杆菌属亚种苏云金杆菌等），按照标签上所列明的剂量。
2. Depending on the product, larvicide may be applied weekly into the stagnant water until the water has been removed.
   视乎个别杀幼虫剂的效力，在有积水的地方每星期施用杀幼虫剂，直至积水清除为止。
3. Methods The density surveillance was conducted by the spoon method, and10% beta-cypermethrin and1% Abate larvicide were deployed on the spot for larval control.
   方法蚊幼虫密度调查采用勺捕法，使用10%高效氯氰菊酯、安备1%颗粒剂投放于现场。
4. Conclusion Alpha terthienyl is an effective, practicable larvicide which prohibits the growth and development of the larvae of Aedes albopictus.
   结论α三噻吩是一种高效、实用、并能够抑制蚊幼虫生长发育的杀虫剂。

noun

1. a chemical used to kill larval pests