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Marathon, FL, United States

Hribar L.J.,Florida Keys Mosquito Control District | Brown B.V.,Natural History Museum of Los Angeles County | Disney R.H.L.,University of Cambridge
Florida Entomologist | Year: 2011

The aquatic scuttle flies, Megaselia hansonix Disney and M. imitatrix Borgmeier, (Diptera: Phoridae) are reported for the first time from Florida, USA. Source


Ernst K.C.,University of Arizona | Haenchen S.,University of Arizona | Dickinson K.,U.S. National Center for Atmospheric Research | Doyle M.S.,Florida Keys Mosquito Control District | And 3 more authors.
Emerging Infectious Diseases | Year: 2015

After a dengue outbreak in Key West, Florida, during 2009–2010, authorities, considered conducting the first US release of male Aedes aegypti mosquitoes genetically modified to prevent reproduction. Despite outreach and media attention, only half of the community was aware of the proposal; half of those were supportive. Novel public health strategies require community engagement. © Centers for Disease Control and Prevention (CDC). All rights reserved. Source


Zhong H.,Florida A&M University | Hribar L.J.,Florida Keys Mosquito Control District | Daniels J.C.,University of Florida | Feken M.A.,Bureau of Pesticides | And 2 more authors.
Environmental Entomology | Year: 2010

We assessed the exposure and acute toxicity of naled, applied aerially as an ultra-low-volume spray for mosquito control, on late instar larvae of the Miami blue (Cyclargus thomasi bethunebakeri) (Comstock and Huntington 1943) (Lepidoptera: Lycaenidae), an imperiled South Florida butterfly. We concurrently evaluated the control efficacy against caged adult female salt-marsh mosquitoes (Aedes taeniorhynchus) (Wiedemann 1821) (Diptera: Culicidae). This 3-yr study was conducted in north Key Largo (Monroe County, FL) beginning in 2006. The field trials incorporated 15 sampling stations: nine in the target spray zone, three in the spray drift zone at varying distances from the target zone, and three in the control zone not subjected to naled spray drift. A total of six field spray trials were completed, three at an altitude of 30.5 m (100 feet), and three at 45.7 m (150 feet). For all trials, the ultra-low-volume application of Trumpet EC insecticide (78% naled) at a rate of 54.8 ml/ha (0.75 fl. oz/acre) was effective in killing caged adult mosquitoes in the target zone. Butterfly larvae survival was significantly reduced in the spray zone compared with drift and control zones. Analysis of insecticide residue data revealed that the mortality of the late instar butterfly larvae was a result of exposure to excess residues of naled. Additional research is needed to determine mitigation strategies that can limit exposure of sensitive butterflies to naled while maintaining mosquito control efficacy. © 2010 Entomological Society of America. Source


Leal A.L.,Florida College | Tambasco A.N.,Florida Keys Mosquito Control District
Check List | Year: 2011

A list of the Culicidae collected in the Florida Keys is presented. Mosquito records were obtained from the scientific literature and from collections made by mosquito control personnel. Forty-eight species or species groups are known from the Florida Keys. © 2011 Check List and Authors. Source


News Article
Site: http://phys.org/biology-news/

The agency's Center for Veterinary Medicine released a preliminary finding of no significant impact for the field trial on a method that aims to reduce populations of the mosquito that spreads dengue, chikungunya and the Zika virus among humans. The trial is proposed by the British biotech firm Oxitec. The Florida Keys Mosquito Control District wants to test Oxitec's mosquitoes in a small neighborhood north of Key West. The FDA still needs to review public comments on Oxitec's proposal before deciding whether to approve that trial. Oxitec modifies Aedes aegypti mosquitoes with synthetic DNA to produce offspring that won't survive outside a lab. Oxitec has conducted similar tests in Panama, Brazil and the Cayman Islands. With or without the test, the district is looking for additional options to kill Aedes aegypti, which it considers a significant and expensive threat. In a statement, executive director Michael Doyle said the district needs to be proactive, and the trial will to determine how efficient Oxitec's mosquitoes are at suppressing the local Aedes population. "A small trial like this is designed to see if highly reducing the population is possible with this technology here in the Keys. If so, we will then look at larger trial areas," Doyle said. A residents' group called the Florida Keys Environmental Coalition wants the district to instead try infecting mosquitoes with a bacteria that curbs their ability to transmit disease, arguing that Oxitec's proposal is mostly marketing hype and won't be subject to adequate federal oversight. In an email Monday to The Associated Press, the coalition's executive director, Barry Wray, questioned the ongoing costs Oxitec's method might incur. "Oxitec has exploited the fear surrounding Zika very effectively," Wray wrote. "When you start looking at the quantity of mosquitoes they need to continuously provide, in order to keep problems under control, the numbers are astounding. So is the money required!" Doyle said the district is looking at several different technologies for eradicating Aedes mosquitoes, but those other methods take years to develop and Oxitec is furthest along. In a statement, Oxitec CEO Hadyn Parry said the company was pleased that the FDA agreed with their own findings. "We look forward to this proposed trial and the potential to protect people from Aedes aegypti and the diseases it spreads," Parry said. Anti-GMO activists have criticized Oxitec's trials, saying more proof is needed that stray female modified mosquitoes that leave the labs aren't spreading genetic material through bites or that there are no other environmental risks, such as opening areas to infestation by another disease-carrying mosquito species. Modified females are manually separated in Oxitec labs from the modified males, which do not bite and are released to mate with wild female mosquitoes. In its preliminary finding, the FDA said it was "highly unlikely" that humans or animals bitten by female modified mosquitoes would be exposed to synthetic genetic material, and any bites wouldn't be any different from bites made by a wild mosquito. It's also unlikely that suppressing the local Aedes population during the trial would open the area to an infestation of another disease-carrying species during that period, the FDA said. The FDA also found no significant risks that the modified mosquitoes would disperse well beyond the trial area, develop resistance to insecticides or persist in the environment. "Based on the data and information submitted in the draft (environmental assessment), other submissions from the sponsor, and scientific literature, FDA found that the probability of adverse impacts on human or other animal health is negligible or low," the finding said. A draft environmental assessment on Oxitec's proposal will be available for public comment for 30 days. The FDA will review those comments and may require further documentation from Oxitec before deciding whether to approve that trial. There is no deadline for that decision, so no modified mosquitoes will be released anytime soon. The Centers for Disease Control and Prevention and the Environmental Protection Agency also have reviewed the proposal along with the FDA.

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