Characterization of Pyrethroid Resistance Mechanisms in Aedes aegypti from the Florida Keys

Scott, Mariah L.; Hribar, Lawrence J.; Leal, Andréa L.; McAllister, Janet

doi:10.4269/ajtmh.19-0602

Cited by 8 publications

(19 citation statements)

References 29 publications

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“…Increasing frequency of 1016II was strongly correlated with increasing resistance ratios (RR) quantified by Estep et al (2018), resulting in a moderate level of resistance for Big Coppitt Key with a RR of 6.0. In 2009-2010, Scott et al (2021) tested allele frequencies for Ae. aegypti populations in the Florida Keys.…”

Section: Discussionmentioning

confidence: 99%

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Resistance and inhibitor testing on Aedes aegypti (Linnaeus) (Culicidae: Diptera) populations in the Florida Keys

Murray,

Hribar

2023

Journal of Vector Ecology

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Section: Discussionmentioning

confidence: 99%

“…aegypti population had a decrease in resistance to permethrin after exposure to PBO but not DEF or DEM. Scott et al (2021) conducted a bottle bioassay for bifenthrin against Key West Ae. aegypti collected in 2010 and compared the results to bifenthrin bioassays after exposure to the inhibitors PBO, DEF, and DEM.…”

Section: Discussionmentioning

confidence: 99%

Resistance and inhibitor testing on Aedes aegypti (Linnaeus) (Culicidae: Diptera) populations in the Florida Keys

Murray,

Hribar

2023

Journal of Vector Ecology

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“…In addition, Ae. aegypti mosquitoes have developed resistance to pyrethroid adulticides, one of the most common tools used as an immediate response to local transmission of mosquito-borne disease (Estep et al 2018, Scott et al 2021. This has increased the importance of finding new methods to combat invasive Aedes mosquitoes.…”

Section: Discussionmentioning

confidence: 99%

Ground Applications of Vectobac® WDG with A1 Super-Duty Mist Sprayer® and Micronair® AU5000 Atomizer for Suppression ofAedes aegyptiPopulations in the Florida Keys

Murray

Pruszynski

Hribar

2021

Journal of the American Mosquito Control Association

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Since 2011, the Florida Keys Mosquito Control District (FKMCD) has used the WALS® application strategy with VectoBac® WDG containing Bacillus thuringiensis israelensis via helicopter in Key West for the control of Aedes aegypti larval populations. In 2018, FKMCD conducted a study to determine the effectiveness of using a trailer-mounted A1 Super Duty Mist Sprayer® (A1 Mist Sprayers) with a Micronair® AU5000 (Micron Group) atomizer to apply VectoBac WDG by ground at the rate of 0.5 lb/acre (0.56 kg/ha). Bioassay cups were placed in a residential area encompassing open, moderate, and heavy cover scenarios between 0 and 300 ft (0–91.44 m) perpendicular to the spray line. An application rate of 0.5 lbs/acre (0.56 kg/ha) was used. Bioassay cups were collected after application and returned to the laboratory where 100 ml of distilled water and 10 F1 generation Ae. aegypti larvae were added. Laval mortality was monitored at 2, 4, and 24 h. Three separate runs were completed during the summer of 2018. Average larval mortality at 24 h was >90%. The field trial demonstrated sufficient efficacy to introduce this method of larviciding into operational use.

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“…Oviposition traps were used in conjunction with BG Sentinel traps to measure efficacy of wide-area liquid larviciding for control of A. aegypti in Key West, FL [ 73 ]. The FKMCD also used oviposition traps to monitor and verify the establishment of A. albopictus in the Florida Keys [ 36 ] and to obtain eggs for bioassays during an investigation of mechanisms of resistance to pesticides by A. aegypti [ 99 ].…”

Section: Adult Surveillancementioning

confidence: 99%

“…Vaca Key had the lowest levels detected. This shows the importance of conducting resistance testing by island for short-ranged mosquito populations, such as with A. aegypti , and not just sampling one location for the entire county [ 99 ]. For this reason, testing for resistance by island throughout the Florida Keys is part of the District’s 5-Year Strategic Plan.…”

Section: Insecticide Resistance Monitoringmentioning

confidence: 99%

Mosquito Surveillance and Insecticide Resistance Monitoring Conducted by the Florida Keys Mosquito Control District, Monroe County, Florida, USA

Hribar

Boehmler

Murray

et al. 2022

Insects

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Mosquito control programs in the State of Florida are charged with protecting human and animal health, fostering economic development of the State, permitting enjoyment of the natural attractions in Florida, and improving the quality of life of citizens. Mosquito control programs must accomplish these tasks in such a manner as will protect the environment and terrestrial, marine, and freshwater ecosystems. The Florida Keys Mosquito Control District provides a science-based Integrated Pest Management mosquito control program to the residents of the Florida Keys, Monroe County, Florida. Operational decisions are based on surveillance of adult and immature mosquitoes. Mosquito populations are monitored by means of carbon dioxide-baited light traps BG Sentinel traps, truck traps, gravid traps, oviposition traps, and human landing rate counts. Larvae and pupae are monitored by inspections of natural and human-made immature habitats. Due to past and current reliance on chemical pesticides for control of mosquitoes, the District maintains a pesticide resistance detection program consisting of CDC bottle bioassays and larval bioassays, challenging local mosquito species with currently used adulticides and larvicides.

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Characterization of Pyrethroid Resistance Mechanisms in Aedes aegypti from the Florida Keys

Cited by 8 publications

References 29 publications

Resistance and inhibitor testing on Aedes aegypti (Linnaeus) (Culicidae: Diptera) populations in the Florida Keys

Resistance and inhibitor testing on Aedes aegypti (Linnaeus) (Culicidae: Diptera) populations in the Florida Keys

Ground Applications of Vectobac® WDG with A1 Super-Duty Mist Sprayer® and Micronair® AU5000 Atomizer for Suppression ofAedes aegyptiPopulations in the Florida Keys

Mosquito Surveillance and Insecticide Resistance Monitoring Conducted by the Florida Keys Mosquito Control District, Monroe County, Florida, USA

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