Tag: "mosquitoes" at biology news
UF Researcher Designs Pill To Control Mosquitoes
VERO BEACH---Dov Borovsky wants to put mosquitoes
on a diet. Under the Borovsky three-day diet plan,... all over the world." In the mosquito control war, mosquitoes
are winning. There are more than 3,000 species of mosquitoes. Worldwide, mosquito-borne diseases inf...
NIAID Doctor Successfully Treats Longest Case Of Malaria Infection On Record
...still can be a potential source of transmission to mosquitoes
and hence to others. As noted in the p...as once eradicated and where Anopheles mosquitoes
are still present. Such a reintroduction of malaria years after documented eradication o...
Curing Malaria, Controlling Mosquitoes Symposium Set For AAAS Meeting
...be prevented whilealso protecting the diversity of mosquitoes
will include Carole A. Long,Allegheny University of the Health Sciences, and Sheila Jasanoff, CornellUniversity. Following the presentations, discussants Marcia C. Linn, Universityof California-Berkeley; Shirley A. Malcolm, AAAS; Floyd E. Bloom, Scr...
Global Warming Would Foster Spread Of Dengue Fever Into Some Temperate Regions
... Thehigher a virus's epidemic potential, the fewer mosquitoes
are necessary tomaintain or spread dengue in a vulnerable population. The geographic range of Ae. aegypti is limited by freezing temperaturesthat kill overwintering larvae and eggs, so that dengue virus transmission islimited to tropi...
Severe Falciparum Malaria Increases In Honduras
...ble explanations include increased transmission by mosquitoes
as a resultof a long rainy season, an increase in the non-immune population, development ofchloroquine resistance by Plasmodium falciparum parasites, and underdiagnosis,the authors said. "The widespread development of drug resistance by P. falciparum...
40 Percent Of Deaths Are Environmental
... 900 deaths each year. -- Dengue fever, spread by mosquitoes
that breed in old tires and other water-holding junk in crowded urban environments, infects an additional 30 million to 60 million people each year. -- Less than 1 percent of 500 Chinese cities have clean air. Respiratory disease is the leading cau...
Virginia Tech Scientist Seek Genetic Solution To Malaria
...1998 -- Malaria, a parasitic diseasetransmitted by mosquitoes
to humans and animals, has made such a dramaticre-... Somewhere in the workings of the genes of mosquitoes
may be a key todisrupting the insect's complex relationship with the parasites, a key thatcould brea...
Mosquitofish threaten amphibians
.... "Handing out exotic mosquitofish as a control of mosquitoes
is an outdatedgovernment policy that needs to be changed," says Lee Kats of PepperdineUniversity in Malibu, California, who presents this research with Jeff Goodsellin the August issue of Conservation Biology. This is the first study to demonstrateun...
Mosquitoes have discriminating tastes, UF researchers find
GAINESVILLE---If you think mosquitoes
like you better than they like otherpeople, you're...er and research assistant KarenMcKenzie found that mosquitoes
do, indeed, choose. "Undoubtedly, mosquitoes
have preferences," Butler said. "People do differ, andi...
Researchers say hormones are key to evolution of insect metamorphosis
...bees and ants, moths and butterflies, andflies and mosquitoes
make up nearly 60 percent of the more than 1 million knownanimal species. They are so prolific and exhibit great diversity because ofmetamorphosis, a process in which larval, pupal and adult stages differ greatly,allowing each to occupy a different h...
USGS reports that West Nile virus goes beyond crows
... bird is infected, the virus can be transmitted to mosquitoes
only for about 4 to 5 days. Although this appears to be a short time, many birds can migrate hundreds of miles within that time. It will be important to find out what species are involved in the transmission of the virus and if migratory birds, incl...
Formosan termite may be top concern of entomologists of the new millenium, according to report
...he proposed ancient ancestor of humans swatting at mosquitoes
on a hot day in East Africa several million years ago. Since then, it's gotten worse, if anything. Fleas carried the bubonic plague across Europe, and millions died. Mosquitoes have caused outbreaks of disease across the globe. The greatest challenge...
Fruit fly model could explain how mosquitoes carry malaria: new drugs and vaccines on the horizon
...al, transmission-blocking vaccines, and engineered mosquitoes
that are resistant to malaria. Malaria remains one...evertheless, scientists know very little about how mosquitoes
carry the disease and transmit it from person to person, largely because the insects are difficult t...
USGS scientists warn: West Nile virus is on the move
...er bird species are now carriers. As they migrate, mosquitoes
in new areas may become infected and then carry th...g the virus has jumped from one to eight including mosquitoes
that bite during the day as well as dawn and dusk biters. Since January, the USGS National Wildli...
Global warming: lessons taught by snails and crabs
...tral Africa and Latin America - an indication that mosquitoes
are moving into habitats once considered too cold for their survival. The World Wide Fund for Nature recently forecast that 20 percent of all organisms now living in colder climates could be wiped out by the end of the century. The WWF report predic...
Parasite's sperm-encryption keeps species apart
...s ago when scientists noticed that some species of mosquitoes
could interbreed when given antibiotics. In the 1970s researchers found that a bacterium was responsible, and there has been speculation ever since about whether the bacterium caused speciation of its host, or merely enhanced it. Our findings stron...
Virus studies reunite two families of major insect-borne viruses
...cts, particularly blood-sucking varieties, such as mosquitoes
and ticks. Currently, more than 100 types of flaviviruses and alphaviruses have been identified, causing illnesses such as yellow fever, encephalitis, dengue and various neurological disorders. But 10 years ago, when scientists sequenced the genom...
UF scientists say global warming could spread mosquito
...global-warming world; disease-carrying Asian tiger mosquitoes
may find the hotter temperatures to their liking a...aid the study compares reproduction of Asian tiger mosquitoes
housed at 79, 75 or 72 degrees Fahrenheit. Mosquitoes kept at 79 degrees reproduced fastest, while t...
Of gallflies, bees, mosquitoes, and butterflies: researchers to discuss insects
... investigating how natural selection may influence mosquitoes
choice of breeding sites. Using outdoor pool experiments, they observed the behavior of two related insect species commonly found in the Middle East. One species, the mosquito Culiseta longiareolata, is highly vulnerable to a predator known as Noto...
NIAID awards grant to rapidly sequence the malaria mosquito genome
...mosquitoes. To learn more about how the parasite, mosquitoes
and humans interact, researchers will study the Anopheles genome along with the recently deciphered human genome and the soon-to-be-completed DNA sequence of the deadliest malaria parasite, Plasmodium falciparum. The three genome sequences will prov...
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