Summary: <a href="http://www.pestgeekpodcast.com/essential-oil-mosquito-repellent/pgp-109-the-brutal-truth-about-25b-essential-oils-mosquito-repellency/" rel="attachment wp-att-5889"></a><br><br> “Repeat a lie a thousand times and it becomes the truth.” Dr. Joseph Goebbels, propaganda minister of the Third Reich.<br> Go to google scholar see if you find a single study on the effectiveness and repelancy of cedar oil “cedar oil” “cedrol” “cedrene” Essential Oil Mosquito Repellent<br> 38 essential oils tested for comparative repellency against mosquito bites<br> 38 essential oils from plants at 3 concentrations were screened for mosquito repellent activity on human subjects against the Aedes aegypti mosquito under laboratory conditions.<br> Applied to volunteer’s forearm at 0.1 mL of oil was applied per 30 cm2 of exposed skin.<br> The oils were applied at a 10% or 50% and 100% concentrations.<br><br> None of the 38 oils prevented mosquito bites for as long as two hours.<br><br> However the undiluted oils of<br> • Cymbopogon nardus (citronella)<br><br> • Pogostemon cablin (patchuli)<br><br> • Syzygium aromaticum (clove)<br><br> • Zanthoxylum limonella (Thai name: makaen)<br> Provided two hours of complete repellency.<br> From these initial results then the 3 concentrations of 10%, 50% and undiluted of citronella, patchouli, clove and makaen were tested for repellency tests against:<br> • Culex quinquefasciatus<br><br> • Anopheles dirus.<br> As expected, the undiluted oil showed the highest protection in each case.<br><br> Clove oil gave the longest duration of 100% repellency (2–4 h) against all three species of mosquito.<br> <a href="http://onlinelibrary.wiley.com/doi/10.1002/ptr.1637/full">http://onlinelibrary.wiley.com/doi/10.1002/ptr.1637/full</a><br> The Repellency Of 18 Essential Oils Extracted From Thailandies Plants Against 4 Mosquito Vectors<br> In this study the evaluation of the reported repellency effects of essential oils from plants in Thailand where evaluated against 4 mosquito vectors:<br><br> Aedes aegypti,<br><br> Aedes albopictus,<br><br> Anopheles dirus<br><br> Anopheles Culex<br> With human volunteers, under laboratory conditions using under laboratory conditions essential oils that were extracted plant which belonging to 11 plant families, and the oils were then prepared as a 10% solution in absolute ethanol with additives.<br> 2 repellents deet and IR3535 were also prepared in the same formulation as the essential oils and tested for repellency as controls.<br> The essential oils were also evaluated for oviposition deterrent effects against Ae. aegypti under<br><br> laboratory conditions.<br> The results showed that night-biting mosquitoes Anopheles dirus and Anopheles Culex quinquefasciatus<br><br> and Aedes albopictus were more sensitive to all the essential oils with repellency lasting 4.5 – 8 hours than was Aedes aegypti with repellency lasting 0.3 – 2.8 hours.<br> Deet and IR3535 provided repellency against all four mosquito for 6.7- 8 hours.<br> All the essential oils had oviposition deterrent activity against Aedes aegypti with various degrees of repellency ranging from 16.6% to 94.7%.<br><br> <a href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.606.3108&rep=rep1&type=pdf">http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.606.3108&rep=rep1&type=pdf</a><br> Repellency effect of 41 essential oils against Aedes, Anopheles, and Culex mosquitoes<br> The five most effective oils were those of<br><br> Litsea (Litsea cubeba),<br><br> Cajeput (Melaleuca leucadendron),<br><br> Niaouli (Melaleuca quinquenervia),<br><br> Violet (Viola odorata),<br><br> Catnip (Nepeta cataria),<br> which induced a protection time of 8 hour at the maximum and a 100% repellency against all three species.<br> <a href="https://link.springer."></a>
