Evidence map›Paper›PMID 39215365›Full record

ArticleParasites & vectors2024

Host attraction and host feeding patterns indicate generalist feeding of Culex pipiens s.s. and Cx. torrentium.

Magdalena Laura Wehmeyer, Linda Jaworski, Hanna Jöst, Tatiana Șuleșco, Leif Rauhöft, Sara M Martins Afonso, Markus Neumann, Konstantin Kliemke, Unchana Lange, Ellen Kiel and 3 more

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Article in Parasites & vectors, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors.

Magdalena Laura Wehmeyer *Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Linda Jaworski *Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Hanna JöstBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Tatiana ȘuleșcoBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Leif RauhöftBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Sara M Martins AfonsoBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Markus NeumannMinistry of Social Affairs, Health and Sports Mecklenburg-Vorpommern, Werderstraße 124, 19055, Schwerin, Germany.
Konstantin KliemkeBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Unchana LangeBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Ellen KielCarl Von Ossietzky University, Oldenburg, Germany.
Jonas Schmidt-ChanasitBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Felix Gregor SauerBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
Renke LühkenBernhard Nocht Institute for Tropical Medicine, Hamburg, Germany. luehken@bnitm.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMosquito host feeding patterns are an important factor of the species-specific vector capacity determining pathogen transmission routes. Culex pipiens s.s./Cx. torrentium are competent vectors of several arboviruses, such as West Nile virus and Usutu virus. However, studies on host feeding patterns rarely differentiate the morphologically indistinguishable females.

methodsWe analyzed the host feeding attraction of Cx. pipiens and Cx. torrentium in host-choice studies for bird, mouse, and a human lure. In addition, we summarized published and unpublished data on host feeding patterns of field-collected specimens from Germany, Iran, and Moldova from 2012 to 2022, genetically identified as Cx. pipiens biotype pipiens, Cx. pipiens biotype molestus, Cx. pipiens hybrid biotype pipiens × molestus, and Cx. torrentium, and finally put the data in context with similar data found in a systematic literature search.

resultsIn the host-choice experiments, we did not find a significant attraction to bird, mouse, and human lure for Cx. pipiens pipiens and Cx. torrentium. Hosts of 992 field-collected specimens were identified for Germany, Iran, and Moldova, with the majority determined as Cx. pipiens pipiens, increasing the data available from studies known from the literature by two-thirds. All four Culex pipiens s.s./Cx. torrentium taxa had fed with significant proportions on birds, humans, and nonhuman mammals. Merged with the data from the literature from 23 different studies showing a high prevalence of blood meals from birds, more than 50% of the blood meals of Cx. pipiens s.s. were identified as birds, while up to 39% were human and nonhuman mammalian hosts. Culex torrentium fed half on birds and half on mammals. However, there were considerable geographical differences in the host feeding patterns.

conclusionsIn the light of these results, the clear characterization of the Cx. pipiens s.s./Cx. torrentium taxa as ornithophilic/-phagic or mammalophilic/-phagic needs to be reconsidered. Given their broad host ranges, all four Culex taxa could potentially serve as enzootic and bridge vectors.

Indexed as

BirdsCulexFeeding BehaviorMosquito VectorsAnimalsFemaleFlavivirusGermanyHost SpecificityHumansIranMiceSpecies SpecificityWest Nile virusCulex pipiens biotype molestusCulex pipiens biotype pipiensCulex pipiens hybrid biotype pipiens × molestusCulex torrentiumHost attractionHost feeding patternsMosquito

Identifiers

PMID39215365
PMCPMC11363403

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.