L - larvicide 中文 - EN166

larvicide n.殺幼蟲劑。adj.-vicidal

laryng-
“ afcd staffs had inspected 20 trails and 135 recreational sites , including barbecue sites , picnic sites , and camp sites in various country parks . over 2 , 500 containers were removed , and depressions found on sites were leveled to prevent holding of stagnant water . “ we have also cleared drains and kept them free from choke . petroleum oil or larvicide was applied to water bodies at work sites wherever necessary , “ a spokesman for afcd said today ( september 27 ) 漁護署發言人今日（九月二十七日）說：漁護署職員已巡視二十條行山徑和一百三十五個康樂場地，包括燒烤場、野餐區和露營地點，清除超過二千五百個器皿，亦將場地內的一些凹陷地方填平，避免積水。
Members of the steering committee will adopt wide - ranging measures to tackle mosquito problems , which include inspection for larval habitats , clearance of solid waste , removal or covering of containers , leveling of depressions , application of insecticides and larvicides , and installation of mosquito traps 委員采取多項措施處理蚊患，包括檢查目標地點以找出蚊蟲滋生地、清理固體廢物、填平凹凸不平地面、使用滅蚊劑或殺幼蟲劑及設置蚊子誘捕器。
Pesticides used for outdoor mosquito control can be broadly divided into larvicides and adulticides , depending on the stages of the mosquitoes to be treated . larvicides are intended for killing immature mosquitoes in their aquatic habitat while adulticides are intended for killing the flying adult mosquitoes 戶外滅蚊用的除害劑大致可分為滅蚊幼蟲劑及滅成蚊劑兩類，使用哪一類，則視乎要對付的蚊子所處的生長階段而定。
In addition to the elimination of mosquito breeding sites and the spraying of larvicide , fehd also issues warning or takes enforcement action against the responsible parties upon discovery of mosquito breeding places 食環署職員一旦發現蚊子滋生地點，除了即時清除積水和殺滅孑孓外，也會向違法者發出警告或采取執法行動。
When it is not possible to eliminate stagnant water that may become breeding grounds of mosquitoes , and there are no alternative methods of control , larvicides may be applied to the water bodies 當積水無法清除并且成為蚊子滋生的溫床時，又沒有其他有效控制蚊患的方法，可將滅蚊幼蟲劑施放于水體。
It may be necessary to resort to adulticides when larvicide application cannot provide adequate and satisfactory control and the mosquito population reaches an annoying level and there is a threat of mosquito - borne diseases 若使用滅蚊幼蟲劑不足以控制蚊患，而蚊子數量又達到非常滋擾的程度及
Since larvicides are directed at the most concentrated developmental stage of mosquitoes , they can provide very effective control and reduce the need for adulticides later 顧名思義，滅蚊幼蟲劑是用來殺滅水中蚊子的幼蟲(俗稱孑孓) ，而滅成蚊劑則用來殺滅成蚊。
To that end , when it is necessary to resort to chemical control , the use of larvicides should always be the backbone of the programme with adulticides as a supplement only 因此，當必要使用除害劑控制蚊患時，應以滅蚊幼蟲劑作為控制蚊患整體計劃的骨干
With its neurotoxic mode of action different from other larvicides , it can be used in rotation with other larvicides to prevent the development of resistance 雙硫磷的滅殺作用模式是令蚊子神經中毒，可和其他不同的滅蚊幼蟲劑輪流使用，防止蚊子產生抗藥
The fehd has been conducting anti - mosquito actions in the area and around nearby piggeries on a regular basis . larvicides have been applied to control mosquito breeding 食物環境生署一直定期在該區及附近豬場一帶進行滅蚊行動，施放除害劑消滅蚊子。
“ the fehd has been conducting anti - mosquito operations around piggeries on a regular basis . “ larvicides have been applied to control mosquito breeding 袁銘志說：食物環境生署一直定期在豬場附近一帶進行滅蚊行動。
Fehd will step up anti - mosquito work around the area where the patient stayed . larvicides have been applied to control mosquito breeding 食物環境生署已在病人露宿的地方加強滅蚊行動和噴灑除蟲劑，預防蚊子滋生。
A list of registered pesticides that can be used as mosquito larvicides is presented in table 1 表一列出一些可用作殺滅蚊子幼蟲的已注冊除害劑。
Petroleum oil or larvicide is applied to water bodies at work sites wherever necessary 在有需要時，會在工地內積水的地方施用蚊油或殺幼蟲劑。