Phenotypic insecticide resistance in arbovirus mosquito vectors in Catalonia and its capital Barcelona (Spain)
Visualitza/Obre
Autor/a
Paaijmans, Krijn
Brustollin, Marco
Aranda, Carles
Eritja, Roger
Pagès, Nonito
Huijben, Silvie
Data de publicació
2019-07-05ISSN
1932-6203
Resum
A range of mosquito species that belong to the Culicidae family are responsible for the
worldwide transmission of infectious arboviral diseases such as dengue fever, Zika, West
Nile fever and Chikungunya fever. Spain is at risk of arbovirus outbreaks, as various arboviral diseases are frequently introduced and it has established competent vector populations. Autochthonous human cases of West Nile virus have been reported infrequently since
2004, and since October 2018 three autochthonous human case of dengue fever have been
confirmed. In response to an outbreak of any arboviral disease, space spraying or fogging
will be implemented to control adult mosquito populations. To ensure adulticiding is costeffective, the insecticide susceptibility status of vectors throughout Catalonia, an autonomous region in north-eastern Spain, was assessed through standardized WHO tube and
CDC bottle bioassays. All Culex pipiens populations tested were resistant to at least one of
the pyrethroids tested, whereas Aedes albopictus populations were susceptible to all pyrethroids tested. More detailed studies on the Cx. pipiens populations from the Barcelona area
(the capital and largest city of Catalonia) revealed resistance to all four classes of public
health insecticides available (pyrethroids, carbamates, organophosphates and organochlorides). All Ae. albopictus populations were susceptible to those classes, except for one of the
tests performed with pirimiphos-methyl (an organophosphate). Pyrethroids are currently the
first line chemical class to be used in space spray operations in response to an outbreak of
an arboviral disease. While pyrethroids can be effective in reducing Ae. albopictus populations, this class may not be effective to control Cx. pipiens populations.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
619 - Veterinària
Pàgines
13
Publicat per
Public Library of Science
Publicat a
PLoS ONE
Citació
Paaijmans, Krijn, Marco Brustollin, Carles Aranda, Roger Eritja, Sandra Talavera, Nonito Pagès, and Silvie Huijben. 2019. "Phenotypic Insecticide Resistance In Arbovirus Mosquito Vectors In Catalonia And Its Capital Barcelona (Spain)". PLOS ONE 14 (7): e0217860. Public Library of Science (PLoS). doi:10.1371/journal.pone.0217860.
Programa
Sanitat Animal
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