:: Przegląd tematu

zjs9g9g8c

Sweet Bait Lures Malaria Mosquitoes
Israeli researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew University Medical Center in Jerusalem is made with a combination of fruit juice essences,cheap air max 24/7, which are attractive to mosquitoes, and boric acid - a mild, inorganic powder that kills insects when they ingest it.
In experiments in a semi-arid region of Mali, in West Africa,nike air half cent, the bait - in this case a blend of boric acid with guava and honey-melon fragrances - was applied using a hand sprayer on the vegetation near a cluster of man-made ponds. These ponds are important dry-season water supplies for local villagers and their livestock. They are also breeding grounds for Anopheles gambiae,air jordan high heels, the mosquito that carries the most deadly form of malaria.
For comparison,cheap ghd straighteners, investigators sprayed grasses and leaves near other ponds with a solution of sweet fragrances only. Both baits contained a dye that marked any mosquito making contact, so scientists could count how many had actually fed on the lure.Josef Schlein,jordan high heels, a medical entomologist who led the study, says the results after 38 days showed the bait containing both sweet fragrances and boric acid proved to be very effective at killing mosquitoes.
"In Mali, we got down by some 80 percent,ghd midnight collection, the females,air max 24/7 shoes, and 90 percent of the males," he said. "But the area is full of little ponds in there, so it is impossible to stop mosquitoes from flying from an untreated pond to a treated pond."At the control sites that were treated with fragrances only, Schlein says upwards of 75 percent of mosquitoes fed on the fake bait.
Schlein explains most people don’t realize that female mosquitoes typically feed on sweet plant nectars to survive. Their more familiar blood meals, when mosquitoes bite people,Jordan Comfort Max 12, are part of the reproductive cycle.The researchers’ goal now is to make a lure that’s even more irresistible to mosquitoes.
Research leader Josef Schlein notes that boric acid poses little risk to humans and other mammals,nike air griffey max 1, so it’s possible a mosquito lure could be developed for use indoors. Given the non-toxic simplicity of this new bait,air max 24/7, the Hebrew University entomologist says it’s a marvel that other scientists didn't think of it sooner."Yes. It was also a real surprise to us," he said. "If they go somewhere and they are strongly attracted to something, what else do we want to do with mosquitoes except kill them?"
Beautiful and stylish Air Jordan Heels Boots for Women! Imagining that you walk on the street and wear a pair of Jordan High Heels Boots ,both fashionable and comforbable,air jordan women,which will make you become the focus in the treet.Combining the lady’s high heels grace and the greatest Jordan shoes classics,ghd blue serenity,the Jordan High Heels boot is definitely your good choice.The whole design of this Jordan Women Boots is simple yet fashion.They can be easy to match with your dresses which will eliminate your worries about the wearing and matching problems.
相关的主题文章：

乘客前门下车遭拒绝殴打公交司机