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6 November 2018 Morphological and Molecular Analyses of Simulium rufibasis (Diptera: Simuliidae) in Thailand
Hiroyuki Takaoka, Wichai Srisuka, Van Lun Low, Atiporn Saeung
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Abstract

A man-biting black fly species so far regarded as Simulium rufibasis Brunetti in Thailand was morphologically analyzed. It was found to be almost indistinguishable in the female from S. rufibasis sensu stricto but distinguishable in the male by the slender fore basitarsus and abdominal segments 2, 6, and 7 each with a pair of shiny dorsolateral patches, and in the pupa by the absence of spine-combs on abdominal segment 7 and terminal hooks on segment 9. It is described as a new species, Simulium tenebrosum. Taxonomic notes are given to separate it from all 11 known species of the S. rufibasis subgroup of the Simulium (Simulium) tuberosum species-group. An analysis of the COI gene sequences shows that this new species is distantly separated from the closely related species.

©The Author(s) 2018. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Hiroyuki Takaoka, Wichai Srisuka, Van Lun Low, and Atiporn Saeung "Morphological and Molecular Analyses of Simulium rufibasis (Diptera: Simuliidae) in Thailand," Journal of Medical Entomology 56(2), 408-415, (6 November 2018). https://doi.org/10.1093/jme/tjy180
Received: 8 August 2018; Accepted: 15 September 2018; Published: 6 November 2018
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KEYWORDS
aquatic insects
biodiversity
COI gene
Oriental Region
taxonomy
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