Not in my backyard: effectiveness of outdoor residual spraying from hand-held sprayers against the mosquito<i>Aedes albopictus</i>in Rome, Italy

Manica, Mattia; Cobre, Pietro; Rosà, Roberto; Caputo, Beniamino

doi:10.1002/ps.4315

Cited by 14 publications

(13 citation statements)

References 48 publications

(57 reference statements)

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“…37,38 In fact, populations in temperate regions have been subjected in the past to selective pressure due to the patchy and uncontrolled, yet not neglectable, use of insecticide-based space spraying by private citizens and public administrations to achieve immediate and tangible, even though short-term, effects on mosquito nuisance. [59][60][61][62] The present study aimed to extend previous reports of phenotypic resistance to pyrethroid insecticides in Ae. albopictus from Europe/Mediterranean areas, 38 to identify its possible genetic basis and to monitor the geographical distribution of resistant genotypes in populations across Italy, Albania and Greece.…”

Section: Introductionmentioning

confidence: 79%

“…albopictus populations detected so far in Europe . In fact, populations in temperate regions have been subjected in the past to selective pressure due to the patchy and uncontrolled, yet not neglectable, use of insecticide‐based space spraying by private citizens and public administrations to achieve immediate and tangible, even though short‐term, effects on mosquito nuisance …”

Section: Introductionmentioning

confidence: 99%

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Phenotypic and genotypic pyrethroid resistance ofAedes albopictus, with focus on the 2017 chikungunya outbreak in Italy

Pichler

Malandruccolo

Serini

et al. 2019

Pest Management Science

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BACKGROUND The highly invasive mosquito species Aedes albopictus has become a major health concern in temperate areas due to its role as vector of exotic arboviruses. Pyrethroid insecticides represent the main tools for limiting the circulation of such mosquito‐borne viruses. The present work aim to extend previous reports on phenotypic pyrethroid‐resistance in European Ae. albopictus, to identify its genetic basis and to monitor the geographical distribution of resistant genotypes, with a particular focus on sites experiencing the 2017 chikungunya outbreak in Italy. RESULTS Bioassays, performed according to World Health Organization protocols, showed full susceptibility to deltamethrin (concentration = 0.05%) and varying levels of resistance to permethrin (0.75%) and/or α‐cypermethrin (0.05%) across Italy, with highest levels in the core of the 2017 chikungunya outbreak. Partial genotyping of the VSSC gene revealed widespread distribution of V1016G mutation and confirmed its association with pyrethroid resistance. CONCLUSION The results obtained show that the condition for the spread of pyrethroid resistance in Ae. albopictus in Europe exists under strong selective pressure due to intensive insecticide spraying to control exotic arbovirus outbreak or high levels of nuisance. The results draw attention to the need for an evidence‐based implementation of mosquito nuisance control, taking insecticide resistance management into consideration. © 2019 Society of Chemical Industry

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Section: Introductionmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Phenotypic and genotypic pyrethroid resistance ofAedes albopictus, with focus on the 2017 chikungunya outbreak in Italy

Pichler

Malandruccolo

Serini

et al. 2019

Pest Management Science

Self Cite

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“…Adulticide interventions are recommended only when infected human travellers from endemic countries are detected, in order to prevent autochthonous disease transmission, or in the case of extremely intense nuisance. Nevertheless, private citizens and some public administrations implement adulticidal control measures in order to achieve immediate and tangible, although short‐term, effects on mosquito nuisance …”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, private citizens and some public administrations implement adulticidal control measures in order to achieve immediate and tangible, although short-term, effects on mosquito nuisance. [25][26][27] Pyrethroids are the only chemicals allowed for mosquito adulticide in Europe. [28][29][30] The most commonly used pyrethroids are -cypermethrin, permethrin and deltamethrin, sometimes in combination with the synergist piperonyl butoxide (PBO).…”

Section: Introductionmentioning

confidence: 99%

First evidence of resistance to pyrethroid insecticides in ItalianAedes albopictuspopulations 26 years after invasion

Pichler

Bellini

Veronesi

et al. 2018

Pest Management Science

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This study reports the first evidence of resistance to pyrethroids in adult Italian Ae. albopictus populations. Results refer to the season preceding the Chikungunya 2017 outbreak in central Italy and highlight the need to increase efforts to monitor the spread of insecticide resistance and the need to develop strategies to limit the spread of insecticide resistance, particularly in areas where extensive treatments have been carried out to contain disease outbreaks. © 2017 Society of Chemical Industry.

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“…On the one hand, this is because mosquito-borne diseases are not considered a risk, but on the other hand because of limited faith in public pest control operators and a refusal to allow the spraying of adulticides (26). In fact, mosquito adulticide spraying usually has a limited effect, as populations quickly recover (27). …”

Section: Discussionmentioning

confidence: 99%

The Nuisance Mosquito Anopheles plumbeus (Stephens, 1828) in Germany—A Questionnaire Survey May Help Support Surveillance and Control

Heym

Schröder

Kampen

et al. 2017

Front. Public Health

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The mosquito species Anopheles plumbeus is an aggressive biter and a potential vector of malaria parasites and West Nile virus. It occurs naturally at low population densities, as its larval development is adapted to the specific water qualities found in tree holes. However, probably owing to environmental changes, it has recently been observed in several European countries to use increasingly often artificial breeding habitats that may lead to mass development and severe annoyance to humans living close by. The perception of mosquito nuisance, however, is very subjective, and breeding habitats are not always known, thus impeding targeted surveillance and control. To relate nuisance by An. plumbeus to specific environmental conditions, a questionnaire survey was carried out addressing persons who had submitted specimens of this particular mosquito species to the German citizen science project “Mueckenatlas”, an instrument of passive mosquito surveillance. The questionnaire was intended to find out whether a nuisance situation linked to An. plumbeus had existed, whether mosquito breeding habitats could be identified and whether control measures had been conducted. Despite some efforts, the participants who claimed to suffer from an An. plumbeus nuisance problem had rarely identified the source of the mosquitoes. Once control measures had been performed on abandoned manure pits, however, the nuisance problem disappeared or mosquito abundance was at least significantly reduced. Nevertheless, no significant effect of abandoned manure pits on the probability of an An. plumbeus nuisance could be demonstrated in a multivariate logistic regression model testing various variables. Instead, a significant positive effect of a disused farm nearby was found. The reason is probably that manure pits as the most frequent source of An. plumbeus mass development are often located on disused farms, without most people’s knowledge about their existence. Disused farms are therefore appropriate candidates to consider when it comes to public health issues connected to An. plumbeus such as surveillance of mass development and implementation of control measures.

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Not in my backyard: effectiveness of outdoor residual spraying from hand-held sprayers against the mosquitoAedes albopictusin Rome, Italy

Cited by 14 publications

References 48 publications

Phenotypic and genotypic pyrethroid resistance ofAedes albopictus, with focus on the 2017 chikungunya outbreak in Italy

Phenotypic and genotypic pyrethroid resistance ofAedes albopictus, with focus on the 2017 chikungunya outbreak in Italy

First evidence of resistance to pyrethroid insecticides in ItalianAedes albopictuspopulations 26 years after invasion

The Nuisance Mosquito Anopheles plumbeus (Stephens, 1828) in Germany—A Questionnaire Survey May Help Support Surveillance and Control

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