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Detection of Usutu virus in a house martin bug Oeciacus hirundinis (Hemiptera: Cimicidae): implications for virus overwintering in a temperate zone

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Title: Detection of Usutu virus in a house martin bug Oeciacus hirundinis (Hemiptera: Cimicidae): implications for virus overwintering in a temperate zone
Authors: Šikutová, Silvie, Mendel, Jan, Mravcová, Kristína, Kejíková, Romana, Hubálek, Zdeněk, Kampen, Helge, Rudolf, Ivo
Source: Parasitol Res
Publisher Information: Springer Science and Business Media LLC, 2024.
Publication Year: 2024
Subject Terms: 0301 basic medicine, Bird Diseases, Brief Report, Flavivirus, Oeciacus hirundinis, Cimicidae, Hirundo rustica, Overwintering, House martin, 03 medical and health sciences, 0302 clinical medicine, Czech Republic [MeSH], Seasons [MeSH], Flavivirus/isolation, RNA, Viral/genetics [MeSH], Usutu virus, Animals [MeSH], Phylogeny [MeSH], Bird Diseases/virology [MeSH], Flavivirus/genetics [MeSH], Bird Diseases/parasitology [MeSH], Flavivirus/classification [MeSH], Cimicidae/virology [MeSH], Animals, RNA, Viral, Seasons, Phylogeny, Czech Republic
Description: The family Cimicidae comprises ectoparasites feeding exclusively on the blood of endothermic animals. Cimicid swallow bugs specifically target swallow birds (Hirundinidae) and their nestlings in infested nests. Bugs of the genus Oeciacus are commonly found in mud nests of swallows and martins, while they rarely visit the homes of humans. Although—unlike other cimicid species—the house martin bug Oeciacus hirundinis has never been reported as a vector of zoonotic pathogens, its possible role in arbovirus circulation in continental Europe is unclear. Samples of O. hirundinis were therefore collected from abandoned house martin (Delichon urbicum) nests in southern Moravia (Czech Republic) during the 2021/2022 winter season and checked for alpha-, flavi- and bunyaviruses by RT-PCR. Of a total of 96 pools consisting of three adult bugs each, one pool tested positive for Usutu virus (USUV)-RNA. Phylogenetic analysis showed that the virus strain was closely related to Italian and some Central European strains and corresponded to USUV lineage 5. The detection of USUV in O. hirundinis during wintertime in the absence of swallows raises the question for a possible role of this avian ectoparasite in virus overwintering in Europe.
Document Type: Article
Other literature type
Language: English
ISSN: 1432-1955
0932-0113
DOI: 10.1007/s00436-024-08325-8
Access URL: https://pubmed.ncbi.nlm.nih.gov/39162844
https://hdl.handle.net/11104/0355661
https://repository.publisso.de/resource/frl:6492248
Rights: CC BY
Accession Number: edsair.doi.dedup.....c7ba33b3c346058f165ffd75f2d8888d
Database: OpenAIRE
Description
Abstract:The family Cimicidae comprises ectoparasites feeding exclusively on the blood of endothermic animals. Cimicid swallow bugs specifically target swallow birds (Hirundinidae) and their nestlings in infested nests. Bugs of the genus Oeciacus are commonly found in mud nests of swallows and martins, while they rarely visit the homes of humans. Although—unlike other cimicid species—the house martin bug Oeciacus hirundinis has never been reported as a vector of zoonotic pathogens, its possible role in arbovirus circulation in continental Europe is unclear. Samples of O. hirundinis were therefore collected from abandoned house martin (Delichon urbicum) nests in southern Moravia (Czech Republic) during the 2021/2022 winter season and checked for alpha-, flavi- and bunyaviruses by RT-PCR. Of a total of 96 pools consisting of three adult bugs each, one pool tested positive for Usutu virus (USUV)-RNA. Phylogenetic analysis showed that the virus strain was closely related to Italian and some Central European strains and corresponded to USUV lineage 5. The detection of USUV in O. hirundinis during wintertime in the absence of swallows raises the question for a possible role of this avian ectoparasite in virus overwintering in Europe.
ISSN:14321955
09320113
DOI:10.1007/s00436-024-08325-8