Suppression of<i>Aedes albopictus</i>, the Asian tiger mosquito, using a ‘hot spot’ approach

Ünlü, Işık; Klingler, Kim; Indelicato, Nicholas; Faraji, Ary; Strickman, Daniel

doi:10.1002/ps.4174

Cited by 27 publications

(22 citation statements)

References 22 publications

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“…, Faraji and Unlu , Unlu et al. ), but this requires existing knowledge about the productivity of local mosquito populations, as well as coordinated comparisons of this information across space. Any time an arbovirus outbreak occurs, emergency vector control measures need to be implemented quickly; the time it takes to identify hot spots can postpone the implementation of control measures, leading to larger outbreaks (Schwab et al.…”

Section: Introductionmentioning

confidence: 99%

(Meta)population dynamics determine effective spatial distributions of mosquito‐borne disease control

Schwab

Stone

Fonseca

et al. 2019

Ecological Applications

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Recent epidemics of mosquito‐borne dengue and Zika viruses demonstrate the urgent need for effective measures to control these diseases. The best method currently available to prevent or reduce the size of outbreaks is to reduce the abundance of their mosquito vectors, but there is little consensus on which mechanisms of control are most effective, or when and where they should be implemented. Although the optimal methods are likely context dependent, broadly applicable strategies for mosquito control, such as how to distribute limited resources across a landscape in times of high epidemic risk, can mitigate (re)emerging outbreaks. We used mathematical simulations to examine how the spatial distribution of larval mosquito control affects the size of disease outbreaks, and how mosquito metapopulation dynamics and demography might impact the efficacy of different spatial distributions of control. We found that the birth rate and mechanism of density‐dependent regulation of mosquito populations affected the average outbreak size across all control distributions. These factors also determined whether control distributions favoring the interior or the edges of the landscape most effectively reduced human infections. Thus, understanding local mosquito population regulation and dispersion can lead to more effective control strategies.

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Section: Introductionmentioning

confidence: 99%

(Meta)population dynamics determine effective spatial distributions of mosquito‐borne disease control

Schwab

Stone

Fonseca

et al. 2019

Ecological Applications

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Section: Discussionmentioning

confidence: 99%

“…Aedes albopictus management is a challenge for mosquito abatement programs in the USA because current control methods are developed for floodwater and saltmarsh mosquitoes. 59,60 Aedes albopictus can be described as a backyard mosquito with numerous, highly dispersed larval habitats, most of which are artificial containers (buckets, tires, plant saucers, etc). 13,18 This underlies the difficulty in eliminating larval habitats because many of the target containers are located within private residential properties that are often inaccessible to mosquito control personnel.…”

Section: Discussionmentioning

confidence: 99%

Truck‐mounted area‐wide applications of larvicides and adulticides for extended suppression of adult Aedes albopictus

Ünlü

Faraji

Williams

et al. 2018

Pest Management Science

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BACKGROUND Given the lack of vaccines for most vector‐borne diseases, vector control is often the primary option for disease control. Aedes albopictus are difficult to control because the immatures primarily develop in containers ubiquitous in residential properties. Conventional adulticide campaigns often result in brief, rebounding population declines, so incorporating new techniques into an integrated pest management program is imperative. We performed combined area‐wide applications of the larvicides Bacillus thuringiensis var. israelensis and pyriproxyfen with the adulticide sumithrin and prallethrin to achieve extended suppression of Ae. albopictus populations in Trenton, NJ, USA. We deployed bioassay cups to assess the spatial penetration and efficacy of the applications. RESULTS Inhibition of adult emergence was significantly higher in the treatment bioassay cups than in laboratory controls (z = 4.65, P < 0.0001) and field control bioassay cups (z = 8.93, P < 0.0001). We observed a lower trend in adult numbers following season‐long combined application of pyriproxyfen and adulticide, with numbers of adult Ae. albopictus at the treatment site up to five times lower than at the control site. CONCLUSION Pyriproxyfen is a powerful mosquito larvicide and pupacide with low mammalian toxicity that shows promise for area‐wide vehicle‐mounted (either ground or airborne) applications. © 2018 Society of Chemical Industry

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“…Estimates of egg abundance on each ovistrip will guide the aggregation of ovistrips into pool sizes that are below the TaqMan RT-PCR assay’s threshold of detection, and enable comparisons between trap sites or to generate spatial ‘heat maps’ [7]. Egg counting software has the potential to remove the need for manual counting and improve the accuracy and consistency of subjective rapid visual estimates [68].…”

Section: Discussionmentioning

confidence: 99%

Rapid Surveillance for Vector Presence (RSVP): Development of a novel system for detecting Aedes aegypti and Aedes albopictus

Montgomery¹,

Shivas²,

Hall‐Mendelin³

et al. 2017

PLoS Negl Trop Dis

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BackgroundThe globally important Zika, dengue and chikungunya viruses are primarily transmitted by the invasive mosquitoes, Aedes aegypti and Aedes albopictus. In Australia, there is an increasing risk that these species may invade highly urbanized regions and trigger outbreaks. We describe the development of a Rapid Surveillance for Vector Presence (RSVP) system to expedite presence- absence surveys for both species.Methodology/Principal findingsWe developed a methodology that uses molecular assays to efficiently screen pooled ovitrap (egg trap) samples for traces of target species ribosomal RNA. Firstly, specific real-time reverse transcription-polymerase chain reaction (RT-PCR) assays were developed which detect a single Ae. aegypti or Ae. albopictus first instar larva in samples containing 4,999 and 999 non-target mosquitoes, respectively. ImageJ software was evaluated as an automated egg counting tool using ovitrap collections obtained from Brisbane, Australia. Qualitative assessment of ovistrips was required prior to automation because ImageJ did not differentiate between Aedes eggs and other objects or contaminants on 44.5% of ovistrips assessed, thus compromising the accuracy of egg counts. As a proof of concept, the RSVP was evaluated in Brisbane, Rockhampton and Goomeri, locations where Ae. aegypti is considered absent, present, and at the margin of its range, respectively. In Brisbane, Ae. aegypti was not detected in 25 pools formed from 477 ovitraps, comprising ≈ 54,300 eggs. In Rockhampton, Ae. aegypti was detected in 4/6 pools derived from 45 ovitraps, comprising ≈ 1,700 eggs. In Goomeri, Ae. aegypti was detected in 5/8 pools derived from 62 ovitraps, comprising ≈ 4,200 eggs.Conclusions/SignificanceRSVP can rapidly detect nucleic acids from low numbers of target species within large samples of endemic species aggregated from multiple ovitraps. This screening capability facilitates deployment of ovitrap configurations of varying spatial scales, from a single residential block to entire suburbs or towns. RSVP is a powerful tool for surveillance of invasive Aedes spp., validation of species eradication and quality assurance for vector control operations implemented during disease outbreaks.

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Suppression ofAedes albopictus, the Asian tiger mosquito, using a ‘hot spot’ approach

Cited by 27 publications

References 22 publications

(Meta)population dynamics determine effective spatial distributions of mosquito‐borne disease control

(Meta)population dynamics determine effective spatial distributions of mosquito‐borne disease control

Truck‐mounted area‐wide applications of larvicides and adulticides for extended suppression of adult Aedes albopictus

Rapid Surveillance for Vector Presence (RSVP): Development of a novel system for detecting Aedes aegypti and Aedes albopictus

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