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Mosquito Control, Killing off the Females
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作者 Phi Tran 《Open Journal of Animal Sciences》 2024年第1期14-22,共9页
In addition to causing discomfort, female mosquitoes introduce disease-carrying viruses and bacteria into the bloodstream of their victims. There are numerous publications describing the uses of sugary mosquito baits ... In addition to causing discomfort, female mosquitoes introduce disease-carrying viruses and bacteria into the bloodstream of their victims. There are numerous publications describing the uses of sugary mosquito baits with promising results. Without temperature control measures however, these methods are mainly useful for only nectar-feeding insects, including male mosquitoes, because the warmth of the blood is a condition for the females to locate their meals. The efforts required to keep the baits fresh against the natural spoiling process make them less attractive or impractical to implement. These experiments address these issues by using warm baits of water, sugar, boric acid, and antibiotics. Overnight, the general areas became clear of blood-sucking female mosquitoes while in numbers, the harmless males concentrated into the immediate vicinities. Control vs. experiment protocol established no other logical explanation for this phenomenon other than that females were attracted and killed by the bait. As expected, there was no female mosquito’s activity in these areas. There weren’t many left to do the work. 展开更多
关键词 mosquitoes Malaria Dengue control TOXIC Sugar Bait ATSB Samples
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Scale and Associated Factors of Using Pyrethroid-Impregnated Mosquito Nets as Fishing Tools on Nokoué Lake within Sô-Ava Municipality in Benin, 2020
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作者 Nicolas Ayokpon Hondo Horace Degnonvi +4 位作者 Rodrigue Landeou Franck Zinsou Mignanwande Zoulkifl Salou Bachirou Roch Christian Johnson Ghislain Emmanuel Sopoh 《Open Journal of Preventive Medicine》 2023年第6期199-212,共14页
Background: In lacustrine communities, whether in Benin or elsewhere, populations use impregnated mosquito nets (IMNs) as fishing nets. This depletes the lake of its fishery resources, which in turn are contaminated b... Background: In lacustrine communities, whether in Benin or elsewhere, populations use impregnated mosquito nets (IMNs) as fishing nets. This depletes the lake of its fishery resources, which in turn are contaminated by the pyrethroids impregnated in the nets. This study aims to determine the scale and factors associated with the use of pyrethroid-impregnated mosquito nets as fishing tools in the municipality of Sô-Ava in Benin. Methods: This is a cross-sectional and analytical study with two components. First, a quantitative component was made up of 280 volunteers who were interviewed in the seven districts of the city. Data collection was done in two phases: the first from September to October 2020, and the second in August 2022. Data were analyzed with Stata and logistic regression was used. Another qualitative component was made up of forty participants chosen by reasoned choice, of which 32 were split into four focus groups of eight members each, and the rest participated in semi-structured interviews. Triangulation of the different sources was used to analyze the data. Results: Around 67% of the population reported using impregnated mosquito nets as fishing tools and 33% exclusively for malaria. Seasonal fishermen (ORa = 2.03, CI = 1.35 - 4.97, P = 0.004) and years of professional experience (ORa = 1.53, CI = 1.00 - 2.05, P = 0.021) increase the risk of using these nets as fishing tools. The use of insecticide-treated mosquito nets against mosquitoes causes skin scratching and impairs breathing because of the impregnation products, as reported by respondents. Conclusion: A high prevalence of inappropriate use of impregnated mosquito nets in fishing practices is highlighted in this study. Interviews in the field revealed that nets are diverted for fishing purposes to increase the volume of catches. Consequently, it will be appropriate to assess the pyrethroid content in water and fishery products. 展开更多
关键词 Associated Factor impregnated mosquito nets PYRETHROIDS Fishing Tools Sô-Ava
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Applications of nanomaterials in mosquito vector control:A review 被引量:1
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作者 Sahadiya Mandodan Aneha Kunnikuruvan +8 位作者 Bhagyashree Bora Hemaladkshmi Padmanaban Abhisubesh Vijayakumar Kakhuangailiu Gangmei Manikandan Sivaprakasam Jibi Lukose Mathivanan Ashokkumar Vijayalakshmi Krishnamoorthy Subbiah Poopathi 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2023年第11期479-489,共11页
The periodic outbreak of mosquito-borne diseases like dengue fever,zika fever,and yellow fever all over the world highlights the need for effective mosquito control methods targeting the biological system.Due to the l... The periodic outbreak of mosquito-borne diseases like dengue fever,zika fever,and yellow fever all over the world highlights the need for effective mosquito control methods targeting the biological system.Due to the lack of therapeutic measures,preventive treatments or vaccines against pathogens,insecticide resistance eventually lead the research focus towards novel technological applications in mosquito management.Nanomaterials with ovicidal,larvicidal,adulticidal,and repellent properties for controlling mosquito vectors are under research.A literature search was carried out for advancements in nanomaterials,insecticides,and mosquito control in PubMed/MEDLINE,Scopus,Google Scholar,ScienceDirect,and Web of Science.This paper aims to provide insights into various nanomaterials relevant to mosquito-borne diseases,in vivo and in vitro toxicity evaluation against mosquito species,mode of action,effect on non-target organisms,and ecological risks.Organic and inorganic materials that provide controlled release,target delivery,less dosage,prolonged efficacy,a reduction in the use of organic solvents and emulsifiers,and minimum pollution to the environment have already been explored.Indeed,further research on the ecological risk and economic feasibility of nanomaterials in mosquitocidal applications should be done prior to commercialization. 展开更多
关键词 NANOMATERIALS Nanoformulation Nanopesticides mosquito control
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Evaluation of the Effectiveness of “Electron Go out Mosquito Small Lamp” in Disease Vector Mosquito Control Benin West Africa
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作者 Tatchémè Filémon Tokponnon Phidias Gbaguidi +7 位作者 Zannou Robert Franck Razaki Osse Sébastien Koudenoukpo Mazaire Bata Sare Dabou Zoulkifilou Houessinon Festus Gounou Idayath Martin C. Akogbeto 《Advances in Entomology》 2023年第2期95-104,共10页
In the context of mosquito control, a plethora of devices have been put on the market. The effectiveness of these devices is not always proven, but some have interesting principles that have the potential to be a good... In the context of mosquito control, a plethora of devices have been put on the market. The effectiveness of these devices is not always proven, but some have interesting principles that have the potential to be a good means of mosquito control. Among these interesting devices are the photonic traps. We have carried out nightly captures of mosquitoes on human baits in the presence and absence of the device. These captures were made during the rainy season in the localities of Zogbadjè and Mènontin. The captures were made under the same atmospheric conditions at the same locations at 5-day intervals. These captures were made twice per house, indoors and outdoors, with one blank capture without the device and one capture with the device. The captured mosquitoes were identified and classified by genus and their aggressiveness determined by calculating the biting rate. A total of 845 mosquitoes were captured during these captures with 296 mosquitoes captured indoors without the device and 132 mosquitoes with the device present. This represents a decrease of 55.40% in culicidae density. Furthermore, a significant decrease was observed in aggressiveness, from 49 to 22 bites per man per night (b/m/n) with the use of the device. This decrease is even more important for nocturnal species such as Anopheles spp. whose aggressiveness decreased by 90%. The present study confirms the effectiveness of the “Electron go out mosquito small lamp” in reducing Culicidae density and mosquito aggression even in the presence of chemotactic interference. However, this study was limited in time and focused only on the ability of the device to reduce mosquito numbers and did not assess its epidemiological efficacy. It is therefore important to extend the work to examine the influence of the use of this device on population health and the occurrence of mosquito-borne diseases, particularly malaria. 展开更多
关键词 mosquito control Electron Go Out mosquito Effectiveness Culicidae Density Phototactism Bénin
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Evaluation of biological control agents for mosquitoes control in artificial breeding places
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作者 Salim Abadi Yaser Vatandoost Hassan +3 位作者 Rassi Yavar Abai Mohammad Reza Sanei Dehkordi Ali Reza Paksa Azim 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2010年第4期276-277,共2页
Objective:To evaluate the entomological impact of chlorpyrifos-methyl,Bacillus thuringiensis, and Gambusia affinis on mosquitoes control in artificial breeding places.Methods:A Latin square design with 4 replicates wa... Objective:To evaluate the entomological impact of chlorpyrifos-methyl,Bacillus thuringiensis, and Gambusia affinis on mosquitoes control in artificial breeding places.Methods:A Latin square design with 4 replicates was performed in order to evaluate the efficacy of chlorpyrifosmethyl, Bacillus thuringiensis,and Gambusia affinis on larva.The larvicide was applied at the dosage of 100 mg a.h/ha,Bacillus thuringiensis at the recommended dosage and 10 fishes per m^2 were applied at 1×1 m^2 artificial breeding sites.The larval densities for both anopheline and culicine were counted according to larvae /10 dippers prior and 24 h after application.Results: All three control agents are effective for mosquito density reduction,and the difference between the three agents and the control is significant(P【0.05).There is also significant difference among chlorpyrifos-methyl,Bacillus thuringiensis and Gambusia affinis.Bacillus thuringiensis exhibited more reduction on mosquito larval density than fish and larvicide(P【0.05).Conclusions: Bacillus thuringiensis in comparison with two other agents is the appropriate method for larviciding in the breeding places.Although long term assessing for biological activities as well as monitoring and mapping of resistance is required. 展开更多
关键词 LARVICIDE BIOLOGICAL control mosquito Iran
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Immatures of Lutzia fuscana(Wiedemann,1820)(Diptera:Culicidae) in ricefields:implications for biological control of vector mosquitoes
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作者 Mihir Kumar Pramanik Gautam Aditya 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2009年第3期29-34,共6页
Objective:Rice fields are dynamic mosquito larval habitats with assemblage of different predator taxa,including the larva of the mosquitoes Lutzia.Entomological surveillance in the ricefields is essential to evaluate ... Objective:Rice fields are dynamic mosquito larval habitats with assemblage of different predator taxa,including the larva of the mosquitoes Lutzia.Entomological surveillance in the ricefields is essential to evaluate the potential of these predators as biological resource to regulate vector mosquito population.In view of this,a survey of ricefields for immatures of different mosquito species including Lutzia was conducted.Methods:Survey of selected ricefields was carried out to evaluate the species composition of mosquitoes.Laboratory evaluation of the immatures of Lutzia mosquitoes was carried out to assess its predation potential using mosquitoes and chironomid as preys.Results:The survey revealed the presence of five mosquito species belonging to the genera Anopheles and Culex and the predatory immatures of the mosquito Lutzia Juscana(Wiedemann,1820).The ratio of prey and predatory larva ranged between 1.46 and 4.78 during the study period,with a significant correlation on the relative abundance of the larval stages of Lt.Juscana and Anopheles and Culex larvae.Under laboratory conditions,a single IV instar larvae of Lt.fuscana was found to consume on an average 5 to 15 equivalent instars of Anopheles sp.and Culex sp.larvae per day depending on its age.The prey consumption reduced with the larval stage approaching pupation.When provided with equal numbers of chironomid and Anopheles or Culex larvae,larva of Lt.fuscana consumed mosquito larvae significantly more compared to chironomids.Conclusion: The survey results and the preliminary study on predation are suggestive of the role of Lt.Juscana in the regulation of vector mosquito populations naturally in the ricefields.Since Lt.Juscana is common in many Asian countries,further studies on bioecology will be helpful to justify their use in mosquito control programme. 展开更多
关键词 mosquito LARVAE Lutzia fuscana ANOPHELES CULEX CHIRONOMID LARVAE Ricefield Biological control
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Mathematical Modelling of Sterile Insect Technology for Mosquito Control
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作者 Regina Jijoho Patinvoh Alfred Akpoveta Susu 《Advances in Entomology》 2014年第4期180-193,共14页
Reduction of mosquito populations will, at least, reduce substantially the transmission of malaria disease. One potential method of achieving this reduction is the environmentally-friendly population control method kn... Reduction of mosquito populations will, at least, reduce substantially the transmission of malaria disease. One potential method of achieving this reduction is the environmentally-friendly population control method known as the Sterile Insect Control (SIT) method. The SIT method has so far not been widely used against insect disease vectors, such as mosquitoes, because of various practical difficulties in rearing, sterilization and distribution of the parasite population. For mosquitoes, male-only release is considered essential since sterile females will bite and so may transmit disease, whereas male mosquitoes do not bite. This work concerns the mathematical modelling of the effectiveness of Sterile Insect Technique for Aedes aegypti mosquitoes, when the female sexual preference is incorporated. We found that for a released value of the sterile male mosquito below 40,000, the wild mosquito population decreases over time while the sterile male mosquito population increases. Therefore, the transmission of malaria and dengue infection declines because the sterile male mosquitoes dominated the environment. We also found that for a released value of the sterile male mosquito above 40,000, the wild mosquito population decreases and the sterile male mosquito population decreases as well. Therefore, if the injection of sterile male mosquitoes is large enough, the environment will be rid of mosquitoes over time. The result also shows that if sexual selection is incorporated into a reaction diffusion system, modelling the spread of Aedes aegypti mosquitoes, the Sterile Insect Technique (SIT) will still be a successful control measure. 展开更多
关键词 STERILE Insect Technique (SIT) AEDES aegypti mosquitoES Environment MALARIA control Computer Simulation
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Citrus-based essential oils could be used for dengue vector mosquitoes control
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作者 Hafiz Azhar Ali Khan Waseem Akram 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2013年第6期504-504,共1页
Dear Editor The mosquitoes Aedes aegypli(I,) and Aedes albopictus (Skuse)(Diptera:Culicidae) are important vectors of dengue fever in tropical and subtropical parts of the world. Chemical control has been considered a... Dear Editor The mosquitoes Aedes aegypli(I,) and Aedes albopictus (Skuse)(Diptera:Culicidae) are important vectors of dengue fever in tropical and subtropical parts of the world. Chemical control has been considered as an effective tool for their management in different areas of the world.However, injudicious use of the chemicals result in environmental pollution,ill effects to humans and other animals,and the development of insecticide resistance,which ultimately limits the efficacy of many insecticides!’].Essential oils can be used for mosquito control with no harmful effects to the ecosystem and non-target organisms.Essentials oils from different plants have been found very 展开更多
关键词 Citrus-based essential oils could be used for dengue vector mosquitoes control
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Assessment of anti mosquito measures in households and resistance status of Culex species in urban areas in southern Ghana:Implications for the sustainability of ITN use 被引量:1
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作者 Andreas A Kudom Ben A Mensah Jacob Nunoo 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2013年第11期859-864,共6页
Objective:To determine resistance status of Culex species to different class of insecticides and assess the major anti-mosquito strategies employed by urban households and their possible effects on malaria acquisition... Objective:To determine resistance status of Culex species to different class of insecticides and assess the major anti-mosquito strategies employed by urban households and their possible effects on malaria acquisition.Methods:Structured questionnaires were randomly administered to obtain information on demographic characteristics,measures that people use to prevent mosquito bites and their perception of where mosquitoes breed in their communities.Adult susceptibility assays were also carried out using WHO discriminating dosages of four insecticides from different chemical classes against Culex species.Results:Majority of respondents(54.75%) preferred the use of domestic insecticides in the form of aerosols and coils.Among households that used domestic insecticides,the use of coil was most frequent(62.9%) with a mean(95%CI) of 9.18(8.99,9.37) coils per week.Strong level of pyrethroid-resistance and multiple insecticide resistance in Culex species were also detected in some of the study sites.Conclusions:The excessive use of domestic insecticides and high level of resistance in Culex species observed in the study area has implications for the ITN component of the nation's malaria control program in more subtle ways.People will lose interest in the use of ITN when it fails to protect users from bites of resistant Culex species.Excessive use of domestic insecticides may also select resistance in both malaria vectors and Culex species.On this account we recommend that nuisance mosquitoes must be controlled as part of malaria control programs to improve acceptance and utilization of ITN. 展开更多
关键词 CULEX SPECIES Insecticide RESISTANCE NUISANCE mosquitoES ITN Malaria control mosquito coil
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Mosquito vector management with botanicals-the most effective weapons in controlling mosquito-borne diseases 被引量:2
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作者 Shyamapada Mandal 《Asian Pacific Journal of Tropical Biomedicine》 SCIE CAS 2012年第4期336-336,共1页
Dear editor,Mosquito-borne diseases,viz.,malaria,filariasis,dengue hemorrhagic fever,chikungunya,Japanese encephalitis etc.,created huge impact on humans over the world,and the chemical insecticides remain the mainsta... Dear editor,Mosquito-borne diseases,viz.,malaria,filariasis,dengue hemorrhagic fever,chikungunya,Japanese encephalitis etc.,created huge impact on humans over the world,and the chemical insecticides remain the mainstay of effective control.But,indiscriminate and rampant use of the chemical insecticides in controlling mosquito vectors,in order to prevent diseases vectored by them,has resulted problems related to the adverse environmental effects for their(insecticides)potential toxicity,high operational cost,community acceptance,and the development of insecticide resistance among the vectors.The factors mentioned above prompted the search for new means of control strategies.Currently,the botanicals(viz.,plant extracts,essential oils and phytochemicals)with mosquitocidal potential 展开更多
关键词 ppm LC mosquito vector management with botanicals-the most effective weapons in controlling mosquito-borne diseases
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Possible Mosquito Control by Silver Nanoparticles Synthesized by Soil Fungus (<i>Aspergillus niger 2587</i>)
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作者 Namita Soni Soam Prakash 《Advances in Nanoparticles》 2013年第2期125-132,共8页
Here, we have synthesized the silver nanoparticles (AgNPs) by using the soil fungus Aspergillus niger 2587. The results recorded from UV-vis spectrophotometer and transmission electron microscopy (TEM) support the bio... Here, we have synthesized the silver nanoparticles (AgNPs) by using the soil fungus Aspergillus niger 2587. The results recorded from UV-vis spectrophotometer and transmission electron microscopy (TEM) support the biosynthesis and characterization of AgNPs. The synthesized silver nanoparticles have also been tested against the larvae and pupae of Anopheles stephensi, Culex quinquefasciatus and Aedes aegypti. The efficacy test was performed at different concentrations for a period of different hours by the probit analysis. The larvae of Cx. quinquefasciatus have shown the 100% mortality to the synthesized AgNPs after 1 h of exposure, while the larvae of An. stephensi and Ae. aegypti were found less susceptible to the synthesized AgNPs. The pupa of Ae. aegypti has shown the efficacy LC50 4, LC90 12 and LC99 19 ppm after 2 h of exposure of the synthesized AgNPs, while, the pupae of Cx. quinquefasciatus and An. stephensi were found less susceptible to the synthesized AgNPs. By this approach, it is suggestive that this rapid synthesis of nanoparticles would be proper for developing a biological process for mosquito control. 展开更多
关键词 Soil FUNGUS Silver Nanoparticles mosquito control
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上海市青浦区居民蚊虫防治知识态度行为现状分析
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作者 任志华 王鹏莉 +3 位作者 陈剑锋 刘天 潘引君 潘俊锋 《中华卫生杀虫药械》 CAS 2024年第2期174-177,共4页
目的了解上海市青浦区居民蚊虫防治知识、态度及行为现状,为更好地制订蚊虫防治及宣传教育提供科学依据。方法随机抽取青浦区各街镇1个居民小区,以线上形式对年龄≥18岁的常住居民开展问卷调查。结果研究共回收有效问卷1604份。在蚊虫... 目的了解上海市青浦区居民蚊虫防治知识、态度及行为现状,为更好地制订蚊虫防治及宣传教育提供科学依据。方法随机抽取青浦区各街镇1个居民小区,以线上形式对年龄≥18岁的常住居民开展问卷调查。结果研究共回收有效问卷1604份。在蚊虫防治知晓方面,9713%的居民知道蚊虫会传播疾病,7887%的居民知道蚊虫孳生在水中,性别和文化程度对防蚊知晓差异影响显著(均P<005);行为方面,9308%的居民安装了纱窗或纱门,8491%的居民蚊虫高峰期外出采取防蚊措施,年龄和文化程度对防蚊行为差异影响显著(均P<005);防蚊态度方面,7369%的居民愿意配合小区蚊虫防治,7238%的居民愿意筹集资金开展居民小区蚊虫防治,配合小区蚊虫防治方面文化程度差异影响显著(P<005)。结论青浦区居民对防蚊知识、防蚊行为相关较为了解,对蚊虫防治较为支持,可针对不同性别、不同文化程度开展蚊虫相关知识健康教育,探索居民小区筹集资金开展蚊虫防治工作。 展开更多
关键词 蚊虫防治 知识 防蚊行为 问卷调查
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4种灭幼剂对广州市白纹伊蚊幼虫和蛹的杀灭效果
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作者 梁雪莹 江毅民 +2 位作者 李晓宁 何时雨 周金华 《中华卫生杀虫药械》 CAS 2024年第3期220-222,共3页
目的 了解常用灭蚊幼剂对广州市白纹伊蚊幼虫和蛹的杀灭效果,为登革热等蚊媒传染病媒介控制中合理使用杀虫剂提供参考依据。方法 采用《卫生杀虫剂现场药效测定与评价杀蚊幼剂》(GB/T 31711—2015)中容器实验法,分别测试4种灭蚊幼剂对... 目的 了解常用灭蚊幼剂对广州市白纹伊蚊幼虫和蛹的杀灭效果,为登革热等蚊媒传染病媒介控制中合理使用杀虫剂提供参考依据。方法 采用《卫生杀虫剂现场药效测定与评价杀蚊幼剂》(GB/T 31711—2015)中容器实验法,分别测试4种灭蚊幼剂对白纹伊蚊幼虫和蛹的杀灭效果。结果 4种常用灭蚊幼剂对白纹伊蚊幼虫均有良好杀灭效果,96 h死亡率为95.00%~100.00%;对蚊蛹的杀灭效果差别较大,其中倍硫磷、高效氟氯氰菊酯对蚊蛹杀灭效果显著,72 h死亡率为88.33%~100.00%,吡虫啉对蚊蛹杀灭效果较差,72 h死亡率为16.67%,苏云金杆菌对蚊蛹几乎无效。结论 灭蚊工作中处置难以清除的孳生水体时,应当根据孳生蚊虫的生活史不同阶段合理投药。 展开更多
关键词 蚊媒控制 灭蚊幼剂 幼虫
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城市公园蚊虫防控景观设计
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作者 廖晨阳 蒋雨濛 +2 位作者 高庆 吴芬 冯可心 《中国城市林业》 2024年第5期42-49,共8页
城市公园是优质人居环境和生态斑块的重要组成部分,然而茂密的植被和阴湿的环境也使城市公园成为蚊虫孳生的主要场所,蚊虫滋扰已成为影响人们游憩康养舒适感的最主要因素之一,还存在潜在的传染病传播风险。文章根据蚊虫防控的相关研究... 城市公园是优质人居环境和生态斑块的重要组成部分,然而茂密的植被和阴湿的环境也使城市公园成为蚊虫孳生的主要场所,蚊虫滋扰已成为影响人们游憩康养舒适感的最主要因素之一,还存在潜在的传染病传播风险。文章根据蚊虫防控的相关研究和现实案例,解析城市公园蚊虫防治的基本原理和主要手段,分别从公园水生环境与陆生植物群落设计、驱虫捕虫植物、蚊虫天敌的栖息地营造、蚊虫诱捕装置以及管理维护等方面提出基于环境防治和生物防控相结合的城市公园景观设计方法和措施,为建设无蚊型城市公园、促进园林康养、创建宜居城市环境提供理论依据和实践参考。 展开更多
关键词 蚊虫防控 城市公园 植物景观设计 栖息地营造 驱蚊植物
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在“同一健康”下浙江省病媒生物可持续控制“无四害村”的实践
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作者 龚震宇 高奕 +4 位作者 王金娜 陈恩富 孙继民 郭俊香 王晓林 《中华卫生杀虫药械》 CAS 2024年第2期101-105,共5页
目的系统总结浙江省农村病媒生物可持续控制的实践经验。方法回顾“同一健康”(One Health)理念和媒介生物可持续控制策略的提出和变迁,阐述浙江实践的依据、前提、基础和发展历程。结果从“无蚊村”“无蝇村”“无蚊蝇村”“无四害村... 目的系统总结浙江省农村病媒生物可持续控制的实践经验。方法回顾“同一健康”(One Health)理念和媒介生物可持续控制策略的提出和变迁,阐述浙江实践的依据、前提、基础和发展历程。结果从“无蚊村”“无蝇村”“无蚊蝇村”“无四害村”再到“无蚊单位”建设,提出了农村病媒生物可持续控制创新理念,强调的是“环境—宿主媒介—人类健康”。结论浙江农村病媒生物可持续控制探索是媒介生物及相关传染病可持续控制策略的成功实践,在当前全球严峻的病媒生物性传染病防控形势下,需要全球各部门合作和统一行动。政府首先应该负起责任,整治健康环境。新时代爱国卫生运动应该从城市扩展到农村,进一步提高农村健康环境,为传染病防控服务。 展开更多
关键词 同一健康 农村病媒生物可持续控制 无蚊村 无四害村(除四害村) 爱国卫生运动 疾病控制
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紫苏精油纳米乳液对非成虫期淡色库蚊杀灭活性的初步探讨
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作者 张文星 张颖 +2 位作者 张瑞敏 李瑞 沈波 《寄生虫与医学昆虫学报》 CAS 2024年第2期104-110,共7页
目的探讨紫苏精油及紫苏精油纳米乳液对淡色库蚊Culex pipiens pallens幼虫、蛹的毒性活性,为开发安全有效的植物源杀蚊剂提供科学依据。方法测定紫苏精油和纳米乳液对淡色库蚊幼虫和蛹的杀灭活性、持效性以及对非靶标生物的毒性。结果... 目的探讨紫苏精油及紫苏精油纳米乳液对淡色库蚊Culex pipiens pallens幼虫、蛹的毒性活性,为开发安全有效的植物源杀蚊剂提供科学依据。方法测定紫苏精油和纳米乳液对淡色库蚊幼虫和蛹的杀灭活性、持效性以及对非靶标生物的毒性。结果紫苏精油对一龄、二龄、三龄幼虫LC_(50)分别为25.4、43.0、46.6 mg/L;紫苏精油纳米乳液对一龄、二龄、三龄幼虫的LC_(50)分别为<25.0、35.1、38.1 mg/L。在幼虫的各阶段中,同等浓度下,纳米乳液的杀灭活性明显强于纯精油;在蛹期,同一浓度下,24、48 h精油组死亡率分别为1.3%、2.0%,而精油纳米乳组分别为34.7%、40%。在高浓度下,精油杀蚊幼活性仅维持1~2 d,而纳米乳液的杀灭活性可延长至5 d;精油和纳米乳对于常见水生植物是无毒的;对于水中的鱼类,纳米乳包裹精油后毒性大幅度降低。结论与紫苏精油纯液相比,纳米乳液制剂更加稳定,对淡色库蚊幼虫、蛹的杀灭活性增高,对非靶标生物毒性减弱。紫苏精油纳米乳液有望作为一种绿色、可持续、有效的杀蚊剂,应用于现场非成虫期蚊媒控制。 展开更多
关键词 淡色库蚊 紫苏精油 纳米乳液 杀幼剂 蚊媒防制
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Current resistance status of Aedes aegypti and Aedes albopictus populations in Penang Island,Malaysia
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作者 Kin Hoong Ng Wan Fatma Zuharah 《Asian Pacific Journal of Tropical Medicine》 SCIE CAS 2024年第10期445-455,共11页
Objective:To determine the current insecticide resistance status of Aedes(Ae.)aegypti and Ae.albopictus to four insecticides,namely 0.05%deltamethrin,0.75%permethrin,5%malathion and 0.25%pirimiphos-methyl using the Wo... Objective:To determine the current insecticide resistance status of Aedes(Ae.)aegypti and Ae.albopictus to four insecticides,namely 0.05%deltamethrin,0.75%permethrin,5%malathion and 0.25%pirimiphos-methyl using the World Health Organisation(WHO)susceptibility test kit.Methods:Adult bioassays were carried out using the standard protocol of the World Health Organisation.All F1 generation urban and suburban field strains of Ae.aegypti and Ae.albopictus were tested against pyrethroid and organophosphate insecticides,including the presence of piperonyl butoxide(PBO)in four replicates of 25 non-blood-fed female mosquitoes ranging from 3 to 5 days old.The Vector Control Research Unit(VCRU)laboratory strain served as a reference strain.Results:In this study,0.05%deltamethrin demonstrated a lower value of knockdown time when 50%of the mosquito population died(KT50)and knockdown time when 95%of the mosquito population died(KT95),which is significantly more effective compared to 0.75%permethrin against adult female Ae.aegypti(urban and suburban)and Ae.albopictus(urban and suburban)(ANOVA,P<0.01).Meanwhile,5%malathion was a more effective insecticide,amounting to the shorter KT50 and KT95 compared to 0.25%pirimiphos-methyl against Ae.aegypti(urban and suburban)and Ae.albopictus(urban and suburban).Ae.aegypti urban and Ae.aegypti suburban performed a higher resistance ratio(RR)towards both 0.05%deltamethrin and 0.75%permethrin due to the wide use of permethrin in dengue vector control programs in Malaysia.However,Ae.albopictus urban and suburban have lower resistance than Ae.aegypti urban and suburban towards 0.05%deltamethrin and 0.75%permethrin at 24 hours post-treatment.The addition of PBO with these insecticides successfully reduced knockdown time(KT50 and KT95)values of most of the Ae.aegypti and Ae.albopictus field strains except PBO+0.75%permethrin against Ae.aegypti suburban.Conclusions:The addition of PBO to insecticides has significantly reduced the knockdown time(KT50 and KT95)values on most of Ae.aegypti and Ae.albopictus urban strain except PBO+5%malathion against Ae.albopictus urban strain and PBO+0.75%permethrin against Ae.albopictus suburban strain in comparison to exposure to insecticides without PBO.Ae.aegypti showed a higher resistance ratio of 50(RR50)when compared with the VCRU laboratory reference strain(susceptible strain)at the exposure to the deltamethrin,including with pre-exposure to PBO.This study found that the addition of PBO with organophosphates(5%malathion and 0.25%pirimiphos-methyl)was significantly more effective than pyrethroids against Ae.aegypti and Ae.albopictus(urban and suburban)due to their high mortality rate at 24 hours.It can be concluded that the usage of PBO can help reduce resistance alteration in Aedes mosquitoes. 展开更多
关键词 AEDES Insecticide resistance mosquito Organophosphates PYRETHROIDS Vector control
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蚊性别决定及其应用研究进展
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作者 郭至昱 顾金保 《环境昆虫学报》 CSCD 北大核心 2024年第3期561-569,共9页
蚊属于典型的性二态昆虫,两性在行为上有着巨大差异,雄性成蚊主要依靠植物汁液获取碳源,而雌性只有吸血后卵巢才能够正常发育,这也是蚊传播多种人类疾病的重要基础。蚊的性二态由复杂的性别决定基因通路调控,虽然通路中两个关键因子双... 蚊属于典型的性二态昆虫,两性在行为上有着巨大差异,雄性成蚊主要依靠植物汁液获取碳源,而雌性只有吸血后卵巢才能够正常发育,这也是蚊传播多种人类疾病的重要基础。蚊的性二态由复杂的性别决定基因通路调控,虽然通路中两个关键因子双性基因(doublesex,dsx)与fruitless(fru)在结构和功能上与其他昆虫具有高度保守性,通过性别可变剪切最终调控下游性别表型与性行为相关基因,但是其性别决定初始信号即雄性决定因子(Male-determining factor,M-factor)无论与其他昆虫相比还是属种间均具有巨大的差异,而从M-factor至dsx的调控通路亦尚未明确。目前,利用已知的蚊性别决定基因对蚊进行基因改造,在实验室已经初步达到了性别逆转或种群抑制的效果。本文综述了蚊性别决定调控通路中初始信号雄性决定因子的进化和作用机制,其下游信号通路的响应模式,以及以性别决定基因为靶点的转基因蚊防制策略,为深入理解蚊性别决定机制与探讨蚊媒防制提供新思路。 展开更多
关键词 蚊性别决定 M-factor DOUBLESEX 蚊媒防制
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基于声像融合信息检测的畜禽舍主动式灭蚊装置
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作者 于慧泽 宋志鹏 +2 位作者 周永盛 郑承云 刘涛 《自动化应用》 2024年第8期22-24,共3页
蚊子不仅会传播各种疾病,对于人类是四害之一,而且对养殖业的牲畜也存在相同威胁。传统畜禽舍灭蚊存在适用范围有限、灭蚊效果差等问题,为此,研制一种基于声像融合信息检测的畜禽舍主动式灭蚊装置。采用声音、视觉及红外线热释电信号技... 蚊子不仅会传播各种疾病,对于人类是四害之一,而且对养殖业的牲畜也存在相同威胁。传统畜禽舍灭蚊存在适用范围有限、灭蚊效果差等问题,为此,研制一种基于声像融合信息检测的畜禽舍主动式灭蚊装置。采用声音、视觉及红外线热释电信号技术对蚊子进行识别定位,然后通过电信号控制电机带动电网转动,实现物理灭蚊,从而达到节能高效灭蚊的效果,改善畜禽的生长环境,这对于解决畜牧业的灭蚊问题具有一定意义。 展开更多
关键词 声像融合信息检测 识别定位 物理灭蚊
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Introduction of invasive mosquito species into Europe and prospects for arbovirus transmission and vector control in an era of globalization
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作者 Renke Lühken Norbert Brattig Norbert Becker 《Infectious Diseases of Poverty》 SCIE CAS CSCD 2023年第6期109-109,共1页
Background Mosquito research in Europe has a long history,primarily focused on malaria vectors.In recent years,invasive mosquito species like the Asian tiger mosquito(Aedes albopictus)and the spread of arboviruses lik... Background Mosquito research in Europe has a long history,primarily focused on malaria vectors.In recent years,invasive mosquito species like the Asian tiger mosquito(Aedes albopictus)and the spread of arboviruses like dengue virus,chikungunya virus or bluetongue virus have led to an intensifcation of research and monitoring in Europe.The risk of further dissemination of exotic species and mosquito-borne pathogens is expected to increase with ongoing globalization,human mobility,transport geography,and climate warming.Researchers have conducted various studies to understand the ecology,biology,and efective control strategies of mosquitoes and associated pathogens.Main body Three invasive mosquito species are established in Europe:Asian tiger mosquito(Aedes albopictus),Japanese bush mosquito(Ae.japonicus),and Korean bush mosquito(Aedes koreicus).Ae.albopictus is the most invasive species and has been established in Europe since 1990.Over the past two decades,there has been an increasing number of outbreaks of infections by mosquito-borne viruses in particular chikungunya virus,dengue virus or Zika virus in Europe primary driven by Ae.albopictus.At the same time,climate change with rising temperatures results in increasing threat of invasive mosquito-borne viruses,in particular Usutu virus and West Nile virus transmitted by native Culex mosquito species.Efective mosquito control programs require a high level of community participation,going along with comprehensive information campaigns,to ensure source reduction and successful control.Control strategies for container breeding mosquitoes like Ae.albopictus or Culex species involve community participation,door-to-door control activities in private areas.Further measures can involve integration of sterile insect techniques,applying indigenous copepods,Wolbachia sp.bacteria,or genetically modifed mosquitoes,which is very unlike to be practiced as standard method in the near future.Conclusions Climate change and globalization resulting in the increased establishment of invasive mosquitoes in particular of the Asian tiger mosquito Ae.albopictus in Europe within the last 30 years and increasing outbreaks of infections by mosquito-borne viruses warrants intensifcation of research and monitoring.Further,efective future mosquito control programs require increase in intense community and private participation,applying physical,chemical,biological,and genetical control activities. 展开更多
关键词 Invasive mosquito Spread OUTBREAK mosquito-borne virus Asian tiger mosquito ARBOVIRUS control strategy Globalization Europe
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