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The impact of climate on the abundance of Musca sorbens, the vector of trachoma

Ramesh, A.; Bristow, J.; Kovats, S.; Lindsay, S.W.; Haslam, D.; Schmidt, E.; Gilbert, C.

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A. Ramesh

J. Bristow

S. Kovats

D. Haslam

E. Schmidt

C. Gilbert


Background: To assess the extent to which climate may affect the abundance of Musca sorbens, a putative vector of trachoma. Data sources: Studies were identified by systematically searching online databases including CAB abstracts, Embase, Global Health, Medline, Web of Science and BIOS Online, references from key articles, and the websites of relevant international agencies. Methods: A systematic literature review was conducted of field and laboratory studies that reported the impact of climate factors (e.g., temperature, humidity) on the synanthropic fly Musca sorbens. Data were systematically extracted and studies assessed for quality by two readers. Study results were reported narratively. Results: A total of 16 studies met the inclusion criteria but only three evaluated associations between climatic/ abiotic factors and M. sorbens. Limited evidence indicates that M. sorbens abundance has an optimal temperature and humidity range. Thirteen studies reported seasonal patterns but no consistent pattern was found between season and the abundance of M. sorbens. Conclusions: The evidence base regarding the effect of climatic factors on M. sorbens is limited, so it is difficult to construct a biological model driven by climate for this species. A multivariate statistical approach based on the climate of sites where M. sorbens is found may better capture its complex relationship with climatic factors as well as aid in mapping the global range of M. sorbens.


Ramesh, A., Bristow, J., Kovats, S., Lindsay, S., Haslam, D., Schmidt, E., & Gilbert, C. (2016). The impact of climate on the abundance of Musca sorbens, the vector of trachoma. Parasites and Vectors, 9(1), Article 48.

Journal Article Type Article
Acceptance Date Jan 20, 2016
Online Publication Date Jan 27, 2016
Publication Date Jan 27, 2016
Deposit Date Mar 1, 2016
Publicly Available Date Mar 14, 2016
Journal Parasites and Vectors
Publisher BioMed Central
Peer Reviewed Peer Reviewed
Volume 9
Issue 1
Article Number 48


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Copyright Statement
© 2016 Ramesh et al. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and<br /> reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to<br /> the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver<br /> ( applies to the data made available in this article, unless otherwise stated.

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