First report of the blood-feeding pattern in Aedes koreicus, a new invasive species in Europe.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
21 09 2022
21 09 2022
Historique:
received:
02
03
2022
accepted:
02
09
2022
entrez:
21
9
2022
pubmed:
22
9
2022
medline:
24
9
2022
Statut:
epublish
Résumé
Aedes koreicus is an invasive mosquito species which has been introduced into several European countries. Compared to other invasive Aedes mosquitoes, little is known of its biology and ecology. To determine Ae. koreicus' vectorial capacity, it is essential to establish its feeding patterns and level of anthropophagy. We report on the blood-feeding patterns of Ae. koreicus, examining the blood meal origin of engorged females and evaluating the influence of different biotic and abiotic factors on feeding behavior. Mosquitoes were collected in 23 sites in northern Italy by manual aspiration and BG-sentinel traps; host availability was estimated by survey. The source of blood meals was identified using a nested PCR and by targeting and sequencing the cytochrome c oxidase subunit I gene. In total, 352 Ae. koreicus engorged females were collected between 2013 and 2020 and host blood meals were determined from 299 blood-fed mosquitoes (84.9%). Eleven host species were identified, with the highest prevalences being observed among roe deer (Capreolus capreolus) (N = 189, 63.2%) and humans (N = 46, 15.4%). Blood meals were mostly taken from roe deer in forested sites and from humans in urban areas, suggesting that this species can feed on different hosts according to local abundance. Two blood meals were identified from avian hosts and one from lizard. Ae. koreicus' mammalophilic feeding pattern suggests that it may be a potential vector of pathogens establishing transmission cycles among mammals, whereas its role as a bridge vector between mammals and birds could be negligible.
Identifiants
pubmed: 36130985
doi: 10.1038/s41598-022-19734-z
pii: 10.1038/s41598-022-19734-z
pmc: PMC9492761
doi:
Substances chimiques
Electron Transport Complex IV
EC 1.9.3.1
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
15751Informations de copyright
© 2022. The Author(s).
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