Gov. Rendell Proposes Help for Counties Battling West Nile; Warns Future Amounts Could be Less
...ly occurring bacteria Bti and Bsph attack the digestive system of mosquitoes. Methoprene, an insect juvenile hormone, is also used to prevent mosquito larvae from developing into adults. These materials, while proven effective in controlling mosquito populations, have no effect on humans, plants or other an...Fleas and Ticks and Mosquitoes! Oh My!
... bathing or swimming. "Fleas can be difficult to control because the majority of the flea life stages, approximately 95 percent, thrive as eggs, larvae and pupae," according to Professor Byron Blagburn, PhD, College of Veterinary Medicine, Auburn University . "The combination of a flea adulticide wit...Summit VetPharm Offers New Flea Topical Vectra for Dogs & Puppies(TM) For Long-Lasting Protection
...ed product that protects your dog from all stages of fleas -- adults, eggs, larvae and pupae. Vectra for Dogs & Puppies(TM) is the newest product in the V...stable in sunlight, prevents development of all immature flea stages (eggs, larvae and pupae) for 1 month Can be used on puppies as young as 8 weeks o...JCI online early table of contents: April 13, 2009
...y, Germany, have developed a zebrafish model for tauopathies that they hope will be helpful in screening for therapies for such diseases. Zebrafish larvae are transparent and small, which makes them ideal for in vivo imaging studies. In the study, the researchers generated zebrafish expressing a mutant f...Maggots as Good as Gel in Leg Ulcer Treatments
...earchers studied 267 patients with at least one leg ulcer with dead tissue. The patients were randomly selected to receive either loose larvae, bagged larvae or hydrogel and were monitored for up to one year. Compared to hydrogel, larval therapy significantly reduced the time to debridement, but there wa...MIT: Fighting malaria by changing the environment
...l validation of the model. In the field, Bomblies and others have monitored every aspect of malaria's lifecycle, including doing counts of mosquito larvae and adult mosquitoes, identifying the exact species of mosquitoes (since only specific varieties carry the malaria parasite), and mapping the topograp...NIAID media availability: Seizures following parasitic infection associated with brain swelling
...sue swelling in people infected by a parasitic tapeworm. The swellings, called perilesional edemas, form around dead, calcified cysts that result when larvae of Taenia solium tapeworms lodge in the brain. The illness caused by T. solium infectionneurocysticercosisis the most common cause of adult-onset ...Smaller mosquitoes are more likey to be infected with viruses causing human diseases
...trategies and evaluation of disease risk for dengue. Competition among the larvae of container-breeding mosquitoes results in smaller sized adults. However, control strategies (e.g., larvacides) release surviving larvae from competition, resulting in the production of larger adult mosquitoes. ...Keep Mosquitoes and More Out of Your Yard with Garlic From Garlic Research Labs, Inc.
... First, it kills the adult mosquitoes on contact. Second, the garlic coated plants keep mosquitoes out of the area. Lastly, it suffocates any mosquito larvae in standing water, such as puddles, under decks, water in tin cans or depressions in lawns. Generally, four applications are enough for the entire mos...Mosquito Season Approaching: American Heartworm Society Reminds Pet Owners of Risk
...as well as monthly topicals. These methods are effective, easy to administer and inexpensive. These medications interrupt heartworm development before larvae and adult worms reach the lungs and cause disease. When administered properly and on a timely schedule, heartworm infection can be prevented. The Am...Sand dollar larvae use cloning to 'make change,' confound predators
Nature is full of examples of creatures that try to look as big as possible in an effort to scare away potential predators. But to avoid being eaten alive the larvae of sand dollars appear to have a different strategy, in a way exchanging a dollar for a couple of dimes. University of Washingt...Carbon nanoparticles toxic to adult fruit flies but benign to young
... "The point is these same compounds that were not toxic to the (fruit fly) larvae were toxic to the adults in some cases, so there may be analogies to other ...ransporting nanomaterials, Rand said. While two generations of fruit fly larvae showed no ill effects from eating carbon nanoparticles, the Brown scientist...New insights into health and environmental effects of carbon nanoparticles
... certain kinds of research. There were no apparent ill effects on fruit fly larvae that ate food containing high concentrations of nanoparticles. However, adu...anoparticles, which did not have adverse effects on the fruit flies. Since larvae can tolerate very high doses of nanoparticles in the diet, but adult flies ...Restoring a natural root signal helps to fight a major corn pest
...ene from their roots. The substance attracts nematodes that attack and kill larvae of the Western corn rootworm, a voracious root pest. In field tests, the en... pest has since 2007 also been found in southern Germany. The corn rootworm larvae feed on root hairs and bore themselves into the maize roots. The results ar...Urban water ecology at the ESA annual meeting
...rish, he says, and larval mosquitoes can eat like kings. To make matter worse, it's possible that other aquatic insects that would feed on mosquito larvae are poisoned in sewage overflow water. Many aquatic insects breathe underwater through gill-like structures, so excess nitrogen and phosphorous could ...Parasitic worms make sex worthwhile
... both Alexandrina and Kaniere lakes, as well as a third lake, Poerua. The worms' eggs are ingested by the snails. Once inside, the eggs hatch and worm larvae reproduce within the snail, causing infertility. Ducks that live on the lakes scavenge for food at the lakes' periphery, where the water is shallow. T...The sound of light: Innovative technology shatters the barriers of modern light microscopy
... strong scattering of light. In the Nature Photonics journal, the Munich researchers describe how they can reveal genetic expression within live fly larvae and fish by "listening to light". In the future this technology may facilitate the examination of tumors or coronary vessels in humans. Since the ...Rosenstiel students come out on top
...warded the NSF fellowship for his proposal to examine the response of coral larvae and their symbiont communities to stressors associated with climatic change...ipate in both field and laboratory experiments, use aquaculture for raising larvae in captivity. Bignami entered the Ph.D. program at the Rosenstiel School i...Midge keeps invasive mosquito in check, aiding native mosquitoes
...mall as a coffee cup, native and invasive mosquito larvae compete for resources and try to avoid getting eat...al of Animal Ecology , researchers report that the larvae of a tiny fly, the midge Corethrella appendiculata , eat more of the larvae of the invasive Asian tiger mosquito than of the n...Shellfish face an uncertain future in a high CO2 world
...l oysters are thought to be particularly susceptible to acidification since larvae produce shells made of aragonite, a crystalline form of calcium carbonate t...e calcite, a more durable form of calcium carbonate. In Miller's study, the larvae of Eastern oysters (Crassostrea virginica) and Suminoe oysters (Crassostrea...Gene-engineered flies are pest solution
...with wild females, all progeny die during embryogenesis without the need for radiation. Due to the complete lethality, no fruit damage from developing larvae will occur and no transgenes can pass into the wild population. Moreover, males carrying this system are highly competitive". In order to suppress ...In vivo visualization of alternative splicing
...d switching of let-2 alternative splicing in live C. elegans worms. The splicing of let-2 changes during the lifetime of the worm: Embryos and early larvae express exon 9, while adult worms express exon 10. By linking exons 9 and 10 with differently colored fluorescent proteins (green and red, respectivel...Biolistic Gene Transfer to Generate Transgenic Schistosomes, Rev A
...g. After bombardment, 2 ml of culture medium were added, and the larvae were cultured for an additional 48 hr without heat shock. ...cal laser scanning microscopy revealed GFP expression within the larvae after biolistic treatment at 900 psi (Figure 5) as well as 1,350...