|Don’t Throw Away Those Coffee Grounds!
Puerto Vallarta, Mexico - Did you know that dengue sickens around 50 million people around the world each year? Unfortunately, Puerto Vallarta is one place where the Aedes aegypti mosquitoes likes to vacation too.
If you are down here, do yourself a favor: avoid leaving anything around your place that may hold stagnant water as that is where those unpleasant insect females like to lay their 200+ eggs, each. Those females only live 3 to 4 weeks, but they’ll lay those eggs three times during that period! And it only takes a few hours for them to hatch …then a week for them to reach adulthood.
Used coffee grounds have been shown to affect the larval development of A. aegypti. Those studies determined that a concentration of 300 mg/ml was the most efficient, producing 100% of larval mortality until nine days after preparation.
Thus, although the elimination of the breeding sites remains being the best way to control Aedes aegypti population size, the results obtained herein reinforces the validity of considering used coffee ground preparations as possible auxiliary in the alternative control of this mosquito, mainly in gardens.
Used coffee grounds have the advantage of being free of cost, since it is the powder that is left after coffee has been filtered out to drink.
+ Wexico http://news.wexico.com/health/16jun2011/dont-throw-away-coffee-grounds-dengue.htm
If you are not a coffee drinker and don't have the used coffee grounds around the house, you can visit the local Starbucks where they normally have a barrel with packages of used grounds - just pick up a free package there.
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