{"id":3393,"date":"2026-10-22T17:29:37","date_gmt":"2026-10-22T17:29:37","guid":{"rendered":"https:\/\/agamal.org\/home\/home\/larviciding\/"},"modified":"2026-10-22T17:29:37","modified_gmt":"2026-10-22T17:29:37","slug":"larviciding","status":"publish","type":"page","link":"https:\/\/agamal.org\/home\/home\/larviciding\/","title":{"rendered":"Larviciding"},"content":{"rendered":"\n<section class=\"page-hero with-figure\" aria-labelledby=\"page-title\">\r\n  <div class=\"wrap\">\r\n    <div>\r\n      <ol class=\"crumbs\"><li><a href=\"\/home\/\">Home<\/a><\/li><li>Programmes<\/li><li>Larviciding<\/li><\/ol>\r\n      <p class=\"eyebrow\">Larval source management<\/p>\r\n      <h1 id=\"page-title\">Stopping mosquitoes <em>before they fly<\/em><\/h1>\r\n      <p class=\"lead\">Three of a mosquito&#8217;s four life stages happen in water. Larviciding treats breeding sites so eggs, larvae and pupae never become biting adults.<\/p>\r\n    <\/div>\r\n    <figure><img loading=\"lazy\" fetchpriority=\"high\" decoding=\"async\" loading=\"lazy\" src=\"\/wp-content\/themes\/agamal\/img\/larviciding.webp\" width=\"1100\" height=\"734\" alt=\"Two larviciding officers in protective gear treat standing water in tall grass\" fetchpriority=\"high\"><\/figure>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"section paper\" aria-labelledby=\"cycle-title\">\r\n  <div class=\"wrap split\">\r\n    <div>\r\n      <p class=\"eyebrow\">The life cycle<\/p>\r\n      <h2 id=\"cycle-title\">Egg, larva, pupa, adult<\/h2>\r\n      <div class=\"prose\">\r\n        <p>Malaria is passed on by the bite of an infected female <em>Anopheles<\/em> mosquito. The first three stages of its life are aquatic; only the adult lives on land.<\/p>\r\n        <p>Larval source management (LSM) is the targeted management of these water habitats, so fewer larvae and pupae complete their development.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n    <figure class=\"figure-card\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/themes\/agamal\/img\/larviciding-2.webp\" width=\"1100\" height=\"786\" alt=\"Close-up of mosquito larvae floating on the surface of water\" loading=\"lazy\"><figcaption>Mosquito larvae at a breeding site.<\/figcaption><\/figure>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"section\" aria-labelledby=\"how-title\">\r\n  <div class=\"wrap\">\r\n    <div class=\"section-head\">\r\n      <div><p class=\"eyebrow\">How we do it<\/p><h2 id=\"how-title\">Four ways to manage breeding sites<\/h2><\/div>\r\n      <p>Larviciding complements our core intervention, indoor residual spraying, and insecticide-treated nets. We use <em>Bacillus thuringiensis israelensis<\/em> (Bti), a biological larvicide.<\/p>\r\n    <\/div>\r\n    <ul class=\"features\">\r\n      <li><span class=\"k\">Permanent<\/span><h3>Habitat modification<\/h3><p>A lasting change to the environment, such as land reclamation.<\/p><\/li>\r\n      <li><span class=\"k\">Recurring<\/span><h3>Habitat manipulation<\/h3><p>Repeated work such as flushing streams.<\/p><\/li>\r\n      <li><span class=\"k\">Natural<\/span><h3>Biological control<\/h3><p>Introducing natural predators into water bodies.<\/p><\/li>\r\n      <li><span class=\"k\">Treatment<\/span><h3>Larviciding<\/h3><p>Regular application of biological or chemical insecticides to water.<\/p><\/li>\r\n    <\/ul>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"section tight\" aria-labelledby=\"geo-title\">\r\n  <div class=\"wrap split flip\">\r\n    <div>\r\n      <p class=\"eyebrow\">Precision<\/p>\r\n      <h2 id=\"geo-title\">Every breeding site is geotagged<\/h2>\r\n      <div class=\"prose\">\r\n        <p>Teams tag and describe potential breeding sites with the GhanaPost GPS app and map them in Google Earth. That tells us how many people and how much larvicide each round needs, and makes it quick to find sites again for re-treatment.<\/p>\r\n        <p>Entomological monitoring tracks larval and adult mosquito numbers over time, so we can see whether treatment is working.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n    <figure><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/themes\/agamal\/img\/lsm-diagram.webp\" width=\"1100\" height=\"786\" alt=\"Two field officers with buckets apply larvicide to a grassy breeding site\" loading=\"lazy\"><\/figure>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"section tight\" aria-labelledby=\"more-title\">\r\n  <div class=\"wrap\">\r\n    <div class=\"section-head\"><div><p class=\"eyebrow\">More programmes<\/p><h2 id=\"more-title\">Our other work<\/h2><\/div><\/div>\r\n    <div class=\"others\">\r\n      <a class=\"prog\" href=\"\/home\/irs\/\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/themes\/agamal\/img\/irs.webp\" width=\"1200\" height=\"858\" alt=\"\" loading=\"lazy\"><div class=\"body\"><h3>Indoor residual spraying<\/h3><span class=\"more\">Learn more <svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"M4 10h11M11 5l5 5-5 5\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.9\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span><\/div><\/a>\r\n      <a class=\"prog\" href=\"\/home\/sanitation\/\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/themes\/agamal\/img\/sanitation-3.webp\" width=\"1100\" height=\"826\" alt=\"\" loading=\"lazy\"><div class=\"body\"><h3>Sanitation<\/h3><span class=\"more\">Learn more <svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"M4 10h11M11 5l5 5-5 5\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.9\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span><\/div><\/a>\r\n      <a class=\"prog\" href=\"\/home\/covid-19\/\"><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/themes\/agamal\/img\/irs-wall.webp\" width=\"1100\" height=\"734\" alt=\"\" loading=\"lazy\"><div class=\"body\"><h3>Covid-19 response<\/h3><span class=\"more\">Learn more <svg viewBox=\"0 0 20 20\" aria-hidden=\"true\"><path d=\"M4 10h11M11 5l5 5-5 5\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.9\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/span><\/div><\/a>\r\n    <\/div>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"cta-band\" aria-labelledby=\"cta-title\">\r\n  <div class=\"wrap\">\r\n    <div>\r\n      <h2 id=\"cta-title\">Help us reach malaria-free communities<\/h2>\r\n      <p>Volunteer in your community, partner with us on a programme, or see our open position.<\/p>\r\n    <\/div>\r\n    <div class=\"actions\"><a class=\"btn btn-ink\" href=\"\/home\/form\/\">Volunteer with us<\/a><a class=\"btn btn-line\" href=\"\/home\/partner-with-us\/\">Partner with us<\/a><\/div>\r\n  <\/div>\r\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Home Programmes Larviciding Larval source management Stopping mosquitoes before they fly Three of a mosquito&#8217;s four life stages happen in water. Larviciding treats breeding sites so eggs, larvae and pupae never become biting adults. The life cycle Egg, larva, pupa, adult Malaria is passed on by the bite of an infected female Anopheles mosquito. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":419,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","footnotes":""},"class_list":["post-3393","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Larviciding - Agamal<\/title>\n<meta name=\"description\" content=\"AGAMal&#039;s larval source management finds, maps and treats mosquito breeding sites to complement indoor residual spraying.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/agamal.org\/home\/home\/larviciding\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Larviciding\" \/>\n<meta property=\"og:description\" content=\"AGAMal&#039;s larval source management finds, maps and treats mosquito breeding sites to complement indoor residual spraying.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/agamal.org\/home\/home\/larviciding\/\" \/>\n<meta property=\"og:site_name\" content=\"Agamal\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AGAMalGH\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Malaria_Control\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/agamal.org\\\/home\\\/home\\\/larviciding\\\/\",\"url\":\"https:\\\/\\\/agamal.org\\\/home\\\/home\\\/larviciding\\\/\",\"name\":\"Larviciding - 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