Ground ultra low volume (ULV) space spray applications for the control of wild sand fly populations (Psychodidae: Phlebotominae) in Europe

Chaskopoulou, Alexandra; Miaoulis, Michael; Kashefi, J.

doi:10.1016/j.actatropica.2018.02.003

Cited by 12 publications

(13 citation statements)

References 19 publications

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“…aegypti and point to the need of repeated weekly applications in order to achieve significant entomological impacts. A similar conclusion with regard to the need of repeated spraying cycles has been reported for ground ULV for vector control (Likos et al 2016, Chaskopoulou et al 2018).…”

Section: Discussionsupporting

confidence: 81%

Entomological Efficacy of Aerial Ultra-Low Volume Insecticide Applications Against Aedes aegypti (Diptera: Culicidae) in Mexico

Correa-Morales

Dzul-Manzanilla

Bibiano-Marín

et al. 2019

Journal of Medical Entomology

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A cluster-randomized controlled trial quantified the entomological efficacy of aerial ultra-low volume (AULV) applications of the insecticide chlorpyrifos against Aedes aegypti in Puerto Vallarta, México, during November–October 2017. The trial involved 16 large (1 × 1 km) clusters distributed between treatment-control arms. Primary endpoint was the abundance of Ae. aegypti indoors (total adults, females, and blood-fed females) collected using Prokopack aspirators. After four consecutive weekly cycles of AULV, all adult Ae. aegypti infestation indices were significantly lower in the treatment arm (OR and IRR ≤ 0.28). Efficacy in reducing indoor Ae. aegypti increased with each weekly application cycle from 30 to 73% (total adults), 33 to 76% (females), and 45.5 to 89% (blood-fed females). Entomological indices remained significantly lower in the treatment arm up to 2 wk after the fourth spraying round. Performing AULV spraying can have significant and lasting entomological impact on Ae. aegypti as long as multiple (ideally four) spray cycles are implemented using an effective insecticide.

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Section: Discussionsupporting

confidence: 81%

Entomological Efficacy of Aerial Ultra-Low Volume Insecticide Applications Against Aedes aegypti (Diptera: Culicidae) in Mexico

Correa-Morales

Dzul-Manzanilla

Bibiano-Marín

et al. 2019

Journal of Medical Entomology

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“…In a recent study carried out in western Kenya, malathion and synthetic pyrethroid + PBO formulations tested in ULV applications suppressed the local sand fly populations (mainly, Phlebotomus duboscqi ) by at least 50%, immediately after spraying [ 44 ]. Encouraging results were also published by Chaskopoulou and colleagues [ 45 ], where Phlebotomus perfiliewi populations decreased by 66% in heavily infested animal facilities of Greece, 24 hours post-high rate ULV ground application of a deltamethrin-based formulation.…”

Section: Methodsmentioning

confidence: 62%

Chemical control and insecticide resistance status of sand fly vectors worldwide

et al. 2021

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Background Phlebotomine sand flies are prominent vectors of Leishmania parasites that cause leishmaniasis, which comes second to malaria in terms of parasitic causative fatalities globally. In the absence of human vaccines, sand fly chemical-based vector control is a key component of leishmaniasis control efforts. Methods and findings We performed a literature review on the current interventions, primarily, insecticide-based used for sand fly control, as well as the global insecticide resistance (IR) status of the main sand fly vector species. Indoor insecticidal interventions, such as residual spraying and treated bed nets are the most widely deployed, while several alternative control strategies are also used in certain settings and/or are under evaluation. IR has been sporadically detected in sand flies in India and other regions, using non-standardized diagnostic bioassays. Molecular studies are limited to monitoring of known pyrethroid resistance mutations (kdr), which are present at high frequencies in certain regions. Conclusions As the leishmaniasis burden remains a major problem at a global scale, evidence-based rational use of insecticidal interventions is required to meet public health demands. Standardized bioassays and molecular markers are a prerequisite for this task, albeit are lagging behind. Experiences from other disease vectors underscore the need for the implementation of appropriate IR management (IRM) programs, in the framework of integrated vector management (IVM). The implementation of alternative strategies seems context- and case-specific, with key eco-epidemiological parameters yet to be investigated. New biotechnology-based control approaches might also come into play in the near future to further reinforce sand fly/leishmaniasis control efforts.

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“…In contrast to our findings, other authors have highlighted differences between Old World species with respect to trap position (Gaglio et al ., 2014; Chaskopoulou et al ., 2018). As previously mentioned, Gaglio et al .…”

Section: Resultsmentioning

confidence: 99%

“…Sand fly density estimation depends on where and how traps are positioned, as well as on the capture method selected (Faiman et al ., 2009; Chaskopoulou et al ., 2018; Kirstein et al ., 2018). These are frail insects that concentrate in sheltered environments, and when foraging, they typically move forward along horizontal and vertical surfaces in short hopping flights (Faiman et al ., 2011a; Kirstein et al ., 2018).…”

Section: Introductionmentioning

confidence: 99%

“…In Sicily, Gaglio et al (2014) recorded a similar negative association between trap height and Phlebotomus perniciosus captures but not for Sergentomyia minuta. In Greece, Chaskopoulou et al (2018) found no difference in Phlebotomus perfiliewi abundance in sticky traps placed between 50 and 150 cm from the ground but the number was lower in those situated at a height of 2 m. Other studies have shown that the spatial distribution of sand flies may vary significantly depending on the species, sex and adult female life stages, due to intrinsic ecological, biological and behavioural traits (Muñoz et al, 2018(Muñoz et al, , 2019. Understanding how sand flies behave in open spaces and how they deal with vertical surfaces is essential to study the insect's host approach behaviour and to optimize and design effective vector control measures (Faiman et al, 2011b;Chaskopoulou et al, 2018;Kirstein et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

On how trap positioning affects phlebotomine sand fly density estimations

Muñoz

Pérez‐Cutillas

Berriatua

et al. 2020

Medical Vet Entomology

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There is a need for standardizing sand fly sampling methodology and guidance on trap positioning for quantitative sand fly studies. We investigated differences in sand fly density with ‘sticky’ interception and CO2‐light attraction traps, in relation to trap distance to the ground and the presence or absence of a continuous or discontinuous (wire mesh) vertical surface adjacent to the trap. The study, conducted in a dog kennel in southeast Spain, lasted 48 days and collected 692 Phlebotomus papatasi, P. perniciosus, P. ariasi and Sergentomyia minuta specimens. There were no significant differences between species with respect to trap position. Overall, density in sticky traps was highest closest to the ground and next to the continuous vertical surface, followed sequentially by traps similarly placed adjacent to the wire mesh and those hanging from a rope across the kennel yard. In contrast, density in CO2‐light traps was highest in traps hanging from the rope near the ground, followed by those next to the continuous vertical surface. The overall negative relationship between sand fly density and ground distance was not significant for CO2‐light traps next to the continuous vertical surface. Modelling also suggested that sand flies do not use the wire mesh to move vertically.

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Ground ultra low volume (ULV) space spray applications for the control of wild sand fly populations (Psychodidae: Phlebotominae) in Europe

Cited by 12 publications

References 19 publications

Entomological Efficacy of Aerial Ultra-Low Volume Insecticide Applications Against Aedes aegypti (Diptera: Culicidae) in Mexico

Entomological Efficacy of Aerial Ultra-Low Volume Insecticide Applications Against Aedes aegypti (Diptera: Culicidae) in Mexico

Chemical control and insecticide resistance status of sand fly vectors worldwide

On how trap positioning affects phlebotomine sand fly density estimations

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