Differences in male–female ratios of Aedes albopictus (Diptera: Culicidae) following ultra-low volume adulticide applications

Ünlü, Işık; Farajollahi, Ary; Rochlin, Ilia; Crepeau, Taryn; Strickman, Daniel; Gaugler, Randy

doi:10.1016/j.actatropica.2014.05.009

Cited by 22 publications

(14 citation statements)

References 26 publications

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“…albopictus surveillance data between 2008 and 2014 from this study site, demonstrating high Ae. albopictus populations [9, 22, 37]. …”

Section: Methodsmentioning

confidence: 99%

“…For this study we used females and males for the nuisance threshold determination because Ae. albopictus is very focal within our study sites and male numbers are often followed by increasing female numbers in the traps [37]. We identified 6–10 hot spots based on 16 trapping sites between June 13 and July 23, 2014.…”

Section: Methodsmentioning

confidence: 99%

“…Truck-mounted adulticide applications were conducted at night using a single vehicle to drive buffer areas including all available roads and alleys to provide maximum coverage. Each application took about 2 h to complete and was conducted between 01:00 and 4:00 h [37]. …”

Section: Methodsmentioning

confidence: 99%

“…We used BGS traps for adult mosquito sampling [37, 40], baited with BG lures (Biogents AG, Regensburg, Germany). Details of surveillance protocols are outlined elsewhere [22]; in short, trapping sites were chosen by overlaying a grid of 175 m intervals based on Ae.…”

Section: Methodsmentioning

confidence: 99%

“…Permission to place BGS traps was acquired from property owners. Traps were deployed in the field continuously for 24 h once per week during the mosquito season, and all mosquitoes were identified to species and gender [37]. Trapping started 14 May and ended 12 November when no mosquitoes were collected for 2 to 3 weeks.…”

Section: Methodsmentioning

confidence: 99%

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Effectiveness of autodissemination stations containing pyriproxyfen in reducing immature Aedes albopictus populations

et al. 2017

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Background Aedes albopictus, the Asian tiger mosquito, is an aggressive, highly anthropophilic, day-biting mosquito with an expanding geographic range. Suppression of Ae. albopictus is difficult because of the abundance and prevalence of larval habitats within peridomestic environments, particularly cryptic habitats such as corrugated extension spouts, fence post openings, discarded food containers, etc. Because of the challenges of eliminating or treating larval habitats of this species, we tested an autodissemination concept to contaminate these habitats with the insect growth regulator pyriproxyfen.MethodsOur study was conducted in the City of Trenton (Mercer County), New Jersey, USA (40°12′N, 74°44′W). We selected six hot spots, where five or more Ae. albopictus males or females were collected based on weekly trap surveillance. A trapping unit was a city block, approximately 0.8 ha (hot spot), where we deployed 26 to 28 autodissemination stations per treatment plot. To gauge efficacy, we deployed BGS traps, oviposition cups, and sentinel cups in treatment and control locations.ResultsWe found a significant reduction in eggs (P < 0.0001) and larval populations (P < 0.0001) as a result of treatment. Pupal mortality, as determined through bioassays, was also significantly higher in the treatment sites (P < 0.0001).ConclusionOur results clearly show the potential and unique use of the autodissemination stations to control immature Ae. albopictus in urban areas. Penetration of larvicides with existing methods are difficult to reach cryptic habitats, but the autodissemination approach, which exploits the oviposition behavior of the target pest, can be integrated into intervention programs. New tools are urgently needed to curb the expansion and public health implications of Ae. albopictus and other container-inhabiting species.Electronic supplementary materialThe online version of this article (doi:10.1186/s13071-017-2034-7) contains supplementary material, which is available to authorized users.

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“…albopictus surveillance data between 2008 and 2014 from this study site, demonstrating high Ae. albopictus populations [9, 22, 37]. …”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%