CN1259832C - 微生物媒介的诱蚊方法及装置 - Google Patents
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01M2200/012—Flying insects
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
本发明提供一种微生物媒介的诱蚊方法及装置,其机制包括使用雌蚊诱饵并模拟人体体表温度和人体散发的气味来吸引雌虫,并进而达到控制及诱捕的目的。该装置中包括一可调控加热的装置,会提供适当的热来帮助微生物的培养和帮助雌蚊诱饵蒸发。该雌蚊诱饵至少包含一细菌分解物和一酵母菌发酵液;该雌蚊诱饵对于人类并不具有毒性,而且该雌蚊诱饵中所含的引诱剂,乃是由其包含的发酵液或细菌分解物等以及其自然代谢产物所组成,并非人工合成。此外,本发明也可以结合通电栅格或含杀虫剂网的使用以杀灭引诱的蚊虫。
Description
本发明是有关于一种捕捉昆虫的方法,且特别是有关于一种微生物媒介以吸引蚊虫,以便于达到控制目的或杀灭目的的方法及装置。
从古至今,人类一直想要有效地防治昆虫,特别是对人类有害的昆虫,例如蚊虫。蚊虫之所以对人类有害主要是因为蚊虫会帮助散布传染疾病,诸如疟疾和黄热病等会经由蚊虫而散布传染;因此,为了要防止蚊虫相关的疾病的传播,世界各国的公共卫生当局均一直持续不断地致力于蚊虫防治,以消除蚊虫相关的疾病。除了疾病防治的原因外,蚊虫叮咬而引致的痛痒及不便,也是另一个杀灭蚊虫的原因。由于完全灭绝蚊虫是几乎不可能达成的目标,因此,长久以来人类一直不断在寻找有效防制蚊虫的方法及机制,包括如何吸引蚊虫以便于捕捉及杀灭蚊虫。
为了从宿主身上吸取血液来提供卵发育所需的养分,雌蚊会四处飞行以寻找宿主吸食血液;一般而言,蚊虫乃是利用宿主所散发出的特殊化学成份来侦测锁定宿主,而人类宿主身上散发的特殊化学成份,也就是吸引雌蚊的引诱剂,乃为一些易挥发物。这些易挥发物包含多达300种至400种化合物,其来源可能是宿主的皮腺分泌物,皮肤上微生物的分解产物,或两者皆是。雌蚊是利用其嗅觉结构来侦测锁定宿主,其可在90英尺远处探测到宿主身上散发出的引诱剂,并进而锁定宿主。
目前常见防治蚊虫的方法,多半是经由化学方法来杀灭整个蚊虫群体,或是试图消灭它们的繁殖栖息地。这些方法不但麻烦叉低效率,而且常常是具有生态破坏性的,特别是会引致有毒化学物至周围环境而造成生态污染。另外可行的方法是制造可以捕捉蚊虫的陷阱;其中各种不同的机构均曾用于制造蚊虫陷阱,包括光线、热度、二氧化碳、辛烯醇、水蒸气和乳酸,皆曾被考虑作为引诱剂。
本发明的主要目的是在提供一种防治雌蚊的方法和装置,其机制包括利用一细菌分解物和一酵母菌发酵液作为一雌蚊诱饵,该细菌分解物和该酵母菌发酵液的结合可同时吸引嗜血雌蚊以及非嗜血期的蚊虫。本发明并运用诱饵与热的结合模拟宿主,达成非常高的吸引率。本发明的方法包括吸引以捕捉蚊虫,或是先吸引捕捉并消灭蚊虫,以达成防治蚊虫目的。
本发明的另一目的是在提供一种微生物媒介的诱蚊方法及装置,其机制包括使用一蚊虫诱饵,以模拟人体体表温度和人体散发的气味来吸引雌蚊,并进而达到控制及诱捕蚊虫的目的。该装置中包括一可调控加热装置,会提供适当的热,来帮助微生物的培育和帮助一蚊虫诱饵蒸发。该蚊虫诱饵至少包含一细菌分解物和一酵母菌发酵液;该蚊虫诱饵对于人类不具有毒性,而且该蚊虫诱饵并非人工合成,乃是由其包含的发酵液或细菌分解物等以及其自然代谢产物所组成。此外,本发明也可以结合通电栅格或含杀虫剂滤网的使用以杀灭被引诱的雌蚊。
依照本发明一较佳实例,本发明的装置为一可携带移动式蚊虫控制系统,可以在室内或在户外使用来捕捉蚊虫。该装置包含一上层隔间(UpperCompartment),该上层隔间有多个导入隧孔,可让蚊虫飞入而被陷于该上层隔间中;一底层隔间(Botton Compartment);和一双头螺旋连结座(Thumbscrew Container),该双头螺旋连结座至少包括一顶指螺旋,一底指螺旋和一位于其间的栅格,以连接该上层隔间和该底层隔间。该蚊虫诱引系统还包括一第一固定装置以固定一第一容器,该第一容器至少包含一酵母菌发酵液;一第二固定装置以固定一第二容器,该第二容器至少包含一细菌培养基;以及可调控的加热装置,可以提供热以帮助细菌培养和酵母菌发酵。
为让本发明的上述和其他目的、特征、和优点能更明显易懂,下文特举一较佳实施例,并配合附图,作详细说明如下:
附图的简单说明:
图1是依照本发明一较佳实施例的一种装置的示意图。
图2A是依照本发明一较佳实施例的该装置的正面图;图2B是如图2A所示依照本发明一较佳实施例的该装置的部分分解图。
实例
某些本来就存在于人类汗液中的杆状细菌,已知会生产甲硫醇,而散发出如同干酪或人类脚底的气味。这些微生物可能是导致人类汗水散发气味的原因,而目前已有实验证明人类汗液经某些细菌代谢以后,产生易挥发性物质,对雌蚊有颇强的吸引力。因此,若能辨认分离出这些细菌,就可进而使用这些细菌来产生蚊虫引诱剂,以模拟人类气味来引诱嗜血性雌蚊。
一般而言,雄蚊唯一的食物来源是花蜜。而某些种类的雌蚊除了吸血之外,也会在吸血前先饱餐一顿蜜糖餐;这是因为糖类是雌蚊飞行寻找宿主时的精力来源,而且这会影响雌蚊对宿主的引诱剂的反应灵敏度。另外,有实验报告指出二氧化碳(CO2)对于蚊虫有着普遍(非限于特定种类)的吸引力,且该蚊虫吸引力与二氧化碳的浓度成正比。本发明中的蚊虫诱饵包括至少一人体气味模拟物,以模拟人类散发的易挥发物,一蜜糖来源和一二氧化碳供给源。该人体气味模拟物包含一特定细菌分解物,而一以果汁做酵母菌发酵的培养基可提供稳定的二氧化碳来源,并作为蜜糖来源。
实验资料
实验使用的蚊虫为埃及斑蚊(Aedes aegypti),培养于23-25℃,60-80%的相对湿度以及十二小时光/十二小时暗的环境。成蚊置于大小30立方厘米(cm3)罩以布幕的笼内并喂以10%(v/v)蔗糖水溶液。在进行诱蚊测试实验时雌蚊先做4-8天饥饿处理,然后释放到一具双孔的气味测量仪,该气味测量仪包含一飞行室(1.6m×0.6m×0.6m)以供释放蚊子飞行。空气唧筒吸取新鲜空气经由活性炭过滤器,再通过二道的蒸馏水,而经由双孔中的一孔(5厘米直径,分开30厘米左右)释放到飞行室中。一气味来源是置于另一孔中,而经由一水循环系统温度保持在30℃。室温保持在23-25℃。诱蚊测试实验的观察时间是在释放蚊虫后15分钟观察。在连续的各实验之间,该气味测试仪的各部分都用75%的酒精来清洁并用强风吹二十分钟以去除气味。此外,为了避免方向性相关的未知因素造成偏差,每个试验中对照与控制组的位置是轮流交替于双孔之间。
实验用的细菌为杆状(Coryneform)细菌的两株,为表皮短杆菌(Brevibacterium epidermidis(BE))和扩展短杆菌(B.linens(BL)),分别从德国Sammlung von Mikrooranismen公司和德国布鲁兹维克Zellkulturen GmbH公司和位于新竹的食品工业发展研究所所购买。细菌可用三种不同的培养液加以培养:TSB、MB和NB。这三种不同的培养液的成份分列表如下:TSB(15克的胰蛋白胨(Tryptone)+5克的大豆蛋白质(Soytone)+5克的NaCl/每升,而水溶液的酸碱度值7.3);MB(50克的奶粉+2.5克的蛋白胨(Peptone)/每升,水溶液的酸碱度值7.2);和NB(5克的蛋白胨+1.5克的牛肉抽取物+1.5克的酵母菌抽取物+5克的NaCl/每升,水溶液的酸碱度值7.4);细菌培养于恒温30℃,每分钟200转数的摇瓶环境下培养二天之久。
为了检测不同的细菌株和不同培养液的组合,何者具有最高效率的蚊虫吸引力,取4毫升已培育两天的不同组合细菌培养液置入气味测量仪中加以试验。
如表一所示,大部分这些菌株,不论成长在那一种培养液中均能吸引蚊虫;除了菌株BE9585对蚊虫没有吸引力。其中只有菌株BE9586是唯一的菌株,不论配合任意三种不同的培养液都显示对雌蚊虫具吸引力,而且以培养在NB中会对蚊虫产生最高的吸引力。大致而言,若缺少加热装置,则对蚊虫的吸引力不会高于30%。
表一不同的细菌和培养液的组合对成雌蚊的吸引力
菌株 | TSB | MB | NB |
BE20660BE9585BE9585BE20659BL20158BL20425BL20426 | +a-+NAb--+ | --++++++ | --+++NANANA+ |
a该吸引率以百分比表之。“-”=无吸引力;“+”=10%;
“++”=20%;“+++”=30%。bNA:无法测量。
为了更进一步确认该成长于NB培养液中的菌株BE9586的蚊虫吸引力来源,将该菌株培养液加以离心所得的上清液置入气味测量仪中加以评估。
由表二可见高达86.7%的成熟雌蚊会被前述的细菌培养上清液所吸引。其吸引力会比只有NB培养液的控制组大概高20%,比无气味的水高25%。该实验结果显示从这细菌培养的上清液所产生的易挥发物能特别地吸引成雌蚊。
在这实验中,热度本身即显示大约61.7%的吸引力,高于先前实验中未加热的不同气味来源。因此,由实验结果可推知若设有一加热装置,应可提供热来帮助挥发该细菌分解物,提高对蚊虫的吸引力。
表二菌株培养液离心后的上清液置入气味测量仪中以评估对蚊虫的吸引力
悬浮液a | 营养液b | 水c |
86.7±4.2d | 67.5±4.2 | 61.7±11.8 |
a菌株培养液加以离心所得的上清液,离心速度为10,000xg离心10分钟。b细菌培养的营养液。e为无气味的水溶液。d计算方式为(吸引的蚊虫数/三十)再乘以百分比%;并重复三次再平均之。
图1是依照本发明一较佳实施例的一种装置的示意图。请参照图1,该装置100包含一上层隔间102;一底层隔间104;以及连结两者的一双头螺旋连结座106。一顶盖108乃位于该上层隔间102之顶,由一支撑机构支撑,例如:一有延伸壁的支撑肋,其延伸壁可引导蚊虫飞入导入隧孔;该顶盖108与该上层隔间102相隔开约1-2厘米。而在该顶盖108之下,该上层隔间102的上侧包括有多个导入隧孔110,其由该上层隔间102外侧向内开,该导入隧孔110开口大的足够让蚊虫进入,而且其向内开的方式可防止进来的蚊虫逃脱,使蚊虫被陷在该上层隔间102之内。
当该上层隔间102连接于该双头螺旋连结座106后,置于该双头螺旋连结座106中间一栅格112上的一第一容器120就会位于该上层隔间102的内部。该第一容器120内至少包含一人体气味模拟物和一二氧化碳供给源。该人体气味模拟物和二氧化碳供给源可由一酵母菌培养基提供。若以一果汁做该酵母菌发酵的培养基,则还可提供一蜜糖来源。
仍参考图1,这底层隔间104包括一可调整控制温度的加热装置114,其至少包含一时间调控机构和一温度调控机构。该时间调控机构可按照使用者设定的时间表来操作调控时间,例如为一定时器,而该温度调控机构能按照指示产生热到一指定温度,并维持在这温度;该温度调控机构譬如至少包含一金属加热器116,由一逻辑线路所控制。
这可调整的加热装置114是经由使用者的设定,而产生一调控的上升热流,来帮助细菌培养和蒸发细菌分解物。一第二容器122置于该底层隔间104内部的底层上,该第二容器122内包含一宿主气味模拟物,例如细菌培养分解物。本实例中,利用特定的培养液中培养的指定微生物(细菌)会产生新陈代谢产物或分解其培养液,而产生细菌分解物。提供该宿主气味模拟物(细菌分解物)的方式包括可以采用整个细菌培养基、或只采用部分细菌培养液,例如只采用具强吸引力的细菌培养上清液。本实例中,较佳条件为使用前述实验所使用的杆状菌株(Corynebacterial strains)和培养液来提供细菌分解物;譬如,使用菌株BE9586培养于NB培养液【5克的蛋白胨+1.5克的牛肉抽取物+1.5克的酵母菌抽取物+5克的NaCl/每升,水溶液的酸碱度值7.4】中,以提供该细菌生长。
该金属加热器116位于该底层隔间104内部及该第二容器122的上方,以加热该底层隔间104的内室并提供热来帮助培养该第二容器122内的细菌。一广口向下的反向漏斗118用以聚集该加热器116所提供的热,由该底层隔间104的内部传送至上层间隔102中,以进一步传送热去帮助酵母菌发酵。所以,该加热器116所提供的热会在二隔间中形成二层不同的热流;一般来说,这二层位于上层与底层隔间的不同的热流大约分别保持在30℃和37℃。此外,这热流除了提供热来培养两种微生物和帮助发散的引诱剂,还能模拟人体体表温度,来进一步吸引蚊虫。
经由实验显示了结合热和气味模拟物对埃及斑蚊吸引的效果,在一长达六十分钟的观察,该细菌分解物配合着热蒸发能引诱高达60%的蚊虫,远超过被发酵酵母菌所引诱的44%的蚊虫。此外,根据培养12小时的观察,结合细菌分解物、发酵酵母菌和热蒸发所达成的效果则吸引多达85%的蚊虫。使用细菌分解物作为蚊虫诱饵,可以比其他的诱饵在一定时间内吸引到较多蚊子。
图2A是依照本发明一较佳实例的装置的正面图;图2B是如图2A所示依照本发明一较佳实例的装置的部分。
请参照图2A,一装置200包含一上层隔间202、一底层隔间204和一双头螺旋连结座206。请参照图2B,图2B是该装置200的部分分解图以描述其细节。一第一容器220置于一格状固定装置224之上。该双头螺旋连结座206至少包括一顶指螺旋226,一底指螺旋228和一位于其间的栅格212,以分别连接该上层隔间202和该底层隔间204。当该上层隔间202和该底层隔间204连接对合于该双头螺旋连结座206时,一第一O型环230和一第二O形环232分别用来密封对合处。该格状固定装置224是位在该栅格212之上,因此当该上层隔间202连接于该双头螺旋连结座206后,该第一容器220即位于该上层隔间202的内部。
该装置200中还可包括一收集网234于该格状固定装置224和这栅格212之间,以便于收集蚊虫残骸。该收集网234亦可包含一粘性物质来陷捕蚊虫,或一杀虫剂以便杀灭蚊虫。再者,一通电栅格也可以加置到该上层隔间202的内部来电毙杀灭陷捕的蚊虫。
请参考图2B,该底层隔间204还包括一固定附属装置236和一可移动的底拴盖238和一第二容器222,该固定附属装置236用以拴住该第二容器222,而该可移动的底拴盖238是可以由该固定附属装置236中拆离,因此只要移开该底拴盖238,则第二容器222可以拿出清洁或再装满。一加热器216和一反向漏斗218是位在该固定附属装置236上方,该反向漏斗218的窄口对着该栅格212的中心,而其广口却向着该底层隔间204的内室,因此该底层隔间204的内室的热度,会经由该漏斗218的收集而穿越该栅格212传送到该上层隔间202。
虽然本发明已以一较佳实例揭露如上,然其并非用以限定本发明,任何熟习此技术者,在不脱离本发明的精神和范围内,当可作各种的更动与润饰,因此本发明的保护范围当视后附的权利要求所界定者为准。
Claims (2)
1.一种微生物媒介的诱蚊方法,该方法至少包括以下步骤:
提供一蚊虫诱饵以吸引蚊虫,该蚊虫诱饵至少包括一细菌以及一培养基,其中该细菌包括表皮短杆菌(Brevibacterium epidermidis)或扩展短杆菌(B.linens),其中表皮短杆菌为BE20660、BE9586或BE20659,而扩展短杆菌为BL20158、BL20425或BL20426;该培养基包括TSB、MB或是NB,TSB的成分为:15克胰化蛋白质+5克大豆蛋白质+5克NaCl/每升,而水溶液的酸碱值为7.3;MB的成分为50克奶粉+2.5克消化蛋白质/每升,水溶液的酸碱值7.2;以及MB的成分为5克消化蛋白质+1.5克牛肉抽取物+1.5克酵母菌抽取物+5克的NaCl/每升,水溶液的酸碱值7.4;该细菌以及该培养基的搭配为BE20660配合TSB,BE9586配合TSB、MB或NB,BE20659配合MB,BL20158配合MB,BL20425配合MB,BL20426配合TSB、MB或NB;
提供足够的热予该蚊虫诱饵,以帮助该细菌与该培养基的培养,以及帮助该蚊虫诱饵散发一蚊虫引诱剂,其中该蚊虫引诱剂至少包括由该细菌和该培养基所散发出模拟人类的综合气味,而且所提供的热亦可模拟人体体温作为一吸引物。
2.如权利要求1所述的诱蚊方法,其中该培养基还包含一果汁。
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CN111328785A (zh) * | 2020-03-10 | 2020-06-26 | 益阳市产商品质量监督检验研究院 | 一种家用杀虫防儿童触碰装置及方法 |
CN113367105A (zh) * | 2021-05-13 | 2021-09-10 | 海南省农业科学院植物保护研究所 | 一种蓟马害虫的诱杀装置 |
CN113475482B (zh) * | 2021-05-27 | 2022-10-18 | 吴长好 | 一种农业植保害虫防治驱虫器 |
US20220386586A1 (en) * | 2021-06-02 | 2022-12-08 | Make Great Sales Limited | Insect zapper device |
EP4109455A1 (en) * | 2021-06-22 | 2022-12-28 | Tata Consultancy Services Limited | Method and system for evaluating and reducing the degree of mosquito attractiveness of individual |
CN116780008B (zh) * | 2023-08-24 | 2023-11-03 | 深圳安培时代数字能源科技有限公司 | 便携电池、驱蚊方法及存储介质 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US2113409A (en) * | 1935-02-25 | 1938-04-05 | Henry L Niemeyer | Insect trap |
US2193492A (en) * | 1938-01-28 | 1940-03-12 | Richardson Irving | Insect trap |
JPS5241238A (en) * | 1975-09-25 | 1977-03-30 | Ajinomoto Co Inc | Insect attractant composition |
US4283878A (en) * | 1977-11-25 | 1981-08-18 | Shell Internationale Research Maatschappij B.V. | Insect trap |
WO1982000079A1 (en) * | 1980-07-08 | 1982-01-21 | A Mitchell | Gas or vapour dispersing apparatus |
CA1157645A (en) * | 1981-12-14 | 1983-11-29 | Warren F. Steck | Insect trap |
US4849216A (en) * | 1986-12-24 | 1989-07-18 | Wescotek, Inc. | Fly attractant |
US5189830A (en) * | 1991-08-26 | 1993-03-02 | Janette Zuckerman | Tick trap |
US5274949A (en) * | 1993-01-28 | 1994-01-04 | Morris Beaton | Insect trap |
US5452540A (en) * | 1993-12-17 | 1995-09-26 | The United States Of America As Represented By The Secretary Of Agriculture | Autoinoculating device for contaminating insects with active agents |
IL122306A0 (en) * | 1997-11-26 | 1998-04-05 | Trapomoss Ltd | Insect trap |
US6134826A (en) * | 1999-02-22 | 2000-10-24 | Mah; Pat Y. | Electrical insect trap for attracting, killing and disposing of flying insects |
-
2000
- 2000-12-27 US US09/749,353 patent/US6425202B1/en not_active Expired - Lifetime
-
2001
- 2001-02-13 CN CNB011037490A patent/CN1259832C/zh not_active Expired - Fee Related
- 2001-11-08 US US10/005,559 patent/US6508032B2/en not_active Expired - Lifetime
- 2001-12-21 EP EP01130654A patent/EP1219171A3/en not_active Withdrawn
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US20020116863A1 (en) | 2002-08-29 |
EP1219171A2 (en) | 2002-07-03 |
US20020116865A1 (en) | 2002-08-29 |
EP1219171A3 (en) | 2005-08-31 |
CN1360834A (zh) | 2002-07-31 |
US6425202B1 (en) | 2002-07-30 |
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