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2 December 2020 Morphological Characterization of the Antennal Sensilla of the Afrotropical Sand Fly, Phlebotomus duboscqi (Diptera: Psychodidae)
Ana Cristina Bahia, Ana Beatriz F. Barletta, Luciana Conceição Pinto, Alessandra S. Orfanó, Rafael Nacif-Pimenta, Vera Volfova, Volf Petr, Nágila Francinete Costa Secundino, Fernando de Freitas Fernandes, Paulo Filemon P. Pimenta
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Abstract

We investigated by scanning electron microscopy the morphology, distribution, and abundance of antennal sensilla of females Phlebotomus duboscqi sand fly, an important vector of zoonotic cutaneous leishmaniasis at Afrotropical region. Thirteen well-differentiated sensilla were identified, among six types of cuticular sensilla. The probable function of these sensillary types is discussed in relation to their external structure and distribution. Five sensillary types were classified as olfactory sensilla, as they have specific morphological characters of sensilla with this function. Number and distribution of sensilla significantly differed between antennal segments. The results of the present work, besides corroborating in the expansion of the morphological and ultrastructural knowledge of P. duboscqi, can foment future electrophysiological studies for the development of volatile semiochemicals, to be used as attractants in traps for monitoring and selective vector control of this sand fly.

© The Author(s) 2020. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Ana Cristina Bahia, Ana Beatriz F. Barletta, Luciana Conceição Pinto, Alessandra S. Orfanó, Rafael Nacif-Pimenta, Vera Volfova, Volf Petr, Nágila Francinete Costa Secundino, Fernando de Freitas Fernandes, and Paulo Filemon P. Pimenta "Morphological Characterization of the Antennal Sensilla of the Afrotropical Sand Fly, Phlebotomus duboscqi (Diptera: Psychodidae)," Journal of Medical Entomology 58(2), 634-645, (2 December 2020). https://doi.org/10.1093/jme/tjaa247
Received: 23 June 2020; Accepted: 3 October 2020; Published: 2 December 2020
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KEYWORDS
antenna
Leishmania major
Phlebotominae
sand fly
ultrastructure
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