Laboratory colonization and maintenance of Anopheles atroparvus from the Ebro Delta, Spain

Historically, Anopheles atroparvus has been considered one of the most important malaria vectors in Europe. Since malaria was eradicated from the European continent, the interest in studying its vectors reduced significantly. Currently, to better assess the potential risk of malaria resurgence on th...

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Bibliographic Details
Published in:Parasites & vectors 2020-08, Vol.13 (1), p.394-394, Article 394
Main Authors: Birnberg, Lotty, Aranda, Carles, Talavera, Sandra, Núñez, Ana I, Escosa, Raúl, Busquets, Núria
Format: Article
Language:English
Subjects:
Adults
Animals
Anopheles
Anopheles - growth & development
Anopheles atroparvus
Aquatic insects
Blood
Colonies
Colonization
Drinking water
Eggs
Europe
Females
Fish
Hatching
Health aspects
Health risks
Human diseases
Individual rearing
Instars
Laboratories
Larvae
Maintenance
Malaria
Malaria - transmission
Methodology
Mosquito Vectors
Mosquitoes
Oviposition
Parasites
Rice fields
Sucrose
Sugar
Vector-borne diseases
Vectors
Wetlands
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Summary:Historically, Anopheles atroparvus has been considered one of the most important malaria vectors in Europe. Since malaria was eradicated from the European continent, the interest in studying its vectors reduced significantly. Currently, to better assess the potential risk of malaria resurgence on the continent, there is a growing need to update the data on susceptibility of indigenous Anopheles populations to imported Plasmodium species. In order to do this, as a first step, an adequate laboratory colony of An. atroparvus is needed. Anopheles atroparvus mosquitoes were captured in rice fields from the Ebro Delta (Spain). Field-caught specimens were maintained in the laboratory under simulated field-summer conditions. Adult females were artificially blood-fed on fresh whole rabbit blood for oviposition. First- to fourth-instar larvae were fed on pulverized fish and turtle food. Adults were maintained with a 10% sucrose solution ad libitum. An An. atroparvus population from the Ebro Delta was successfully established in the laboratory. During the colonization process, feeding and hatching rates increased, while a reduction in larval mortality rate was observed. The present study provides a detailed rearing and maintenance protocol for An. atroparvus and a publicly available reference mosquito strain within the INFRAVEC2 project for further research studies involving vector-parasite interactions.
ISSN:1756-3305
1756-3305
DOI:10.1186/s13071-020-04268-y