New comprehensive study on feeding patterns of tiger mosquitos in Europe

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This is an Aedes albopictus feminine mosquito acquiring a blood meal from a human host. Credit: CDC

This study, revealed not too long ago in the worldwide journal Insects, was performed by researchers from the University of Granada, the Doñana Biological Station, and the Biomedical Research Networking Centre for Epidemiology and Public Health (CIBERESP).

Researchers from the University of Granada (UGR), the Doñana Biological Station (EBD-CSIC), and the Biomedical Research Networking Centre for Epidemiology and Public Health (CIBERESP) have carried out essentially the most comprehensive study so far of the consuming patterns of the tiger mosquito (Aedes albopictus) and different invasive species of the identical genus in Europe. The outcomes of the study have been not too long ago revealed in the worldwide journal Insects.

This analysis, which critiques all beforehand revealed research on this subject, reveals that these species of mosquitoes feed off totally different teams of vertebrates, particularly mammals, and people are additionally frequent hosts. Not surprisingly, human blood represents 93% of the blood meals of Aedes aegypti, the mosquito chargeable for yellow fever.

Mosquitoes are one of the principle teams of vector bugs—that’s, bugs concerned in the transmission of main pathogens that adversely have an effect on folks, livestock, and wildlife. As with different teams of animals, totally different species of invasive mosquitoes have turn into established in areas exterior their unique vary. This is the case with totally different species of mosquitoes of the Aedes genus, that are of specific significance from the general public well being perspective, on account of their capability to transmit pathogens that trigger critical illnesses.

“Thus, the appearance of these species can modify the local epidemiology of many pathogens in invaded areas, including pathogens that circulate naturally in the environment, or imported pathogens,” explains one of the authors of the work, Josué Martínez de la Puente, a researcher on the UGR’s Department of Parasitology.

So far, 4 invasive species of the Aedes genus have established populations in Europe, which embody such related vector species because the tiger mosquito, Aedes albopictus.

Blood meals

To full their life cycle and the event of their eggs, feminine mosquitoes require blood meals taken from totally different vertebrate hosts. In addition to inflicting discomfort, the bites they trigger can transmit totally different pathogens. “Therefore, this blood-feeding behaviour represents a fundamental factor, the relevance of which needs to be studied to understand the epidemiology of different diseases. In this review article, we study the feeding patterns of those four invasive mosquitoes of the Aedes genus in Europe,” explains Martínez de la Puente.

The outcomes present that these species of mosquitoes feed off totally different teams of vertebrates, particularly mammals. Humans are frequent hosts for these mosquitoes, representing 93% of the blood meals of the Aedes aegypti species. In addition, mosquitoes are succesful of feeding on the blood of different teams of vertebrates, together with birds and even ectothermic animals (these whose physique temperature modifications in line with the temperature of the atmosphere).

Given their capability to transmit totally different pathogens and their feeding charges amongst people, invasive mosquito species of the Aedes genus might have a major impression on the transmission of these pathogens in city and periurban areas, the authors conclude.


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More data:
Sonia Cebrián-Camisón et al, A Literature Review of Host Feeding Patterns of Invasive Aedes Mosquitoes in Europe, Insects (2020). DOI: 10.3390/insects11120848

Provided by
University of Granada


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New comprehensive study on feeding patterns of tiger mosquitos in Europe (2021, February 23)
retrieved 23 February 2021
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