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CHARACTERIZATION OF COPULATORY COURTSHIP SONG IN THE OLD WORLD SAND FY SPECIES PHLEBOTOMUS ARGENTIPES
Copulatory courtship song
Old world
Characterization
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Biologia Molecular de Insetos. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Doenças Parasitárias. Rio de Janeiro, RJ, Brasil.
Lancaster University. Faculty of Health and Medicine. Division of Biomedical and Life Sciences, Lancashire, United Kingdom.
Universidade Federal do Rio de Janeiro. Instituto de Biologia. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Doenças Parasitárias. Rio de Janeiro, RJ, Brasil.
Lancaster University. Faculty of Health and Medicine. Division of Biomedical and Life Sciences, Lancashire, United Kingdom.
Universidade Federal do Rio de Janeiro. Instituto de Biologia. Rio de Janeiro, RJ, Brasil.
Resumen en ingles
Acoustic communication in the form of courtship and mating songs are often involved in reproductive
isolation between species of Diptera, such as Drosophila, mosquitoes and sand fies. The patterns of
courtship songs in New World sand fy species evolve quickly under sexual selection; and therefore,
represent an important trait that can be used as a marker to study the evolution of species complexes
and may aid identifcation of sibling species with a complex. The ability to identify vector species within
species complexes is of critical importance for efective and efcient vector control programs. Speciesspecifc song patterns seems to contribute to reproductive isolation in New World sand fy species,
suggesting that auditory communication signals may be widespread among these important vectors of
leishmaniasis. The main goal of the present study was to characterize the copulatory courtship song of
Phlebotomus argentipes, an important vector of visceral leishmaniasis in the Old World. Ph. argentipes
males produce acoustic signals during copulation and two types of songs were observed. The one we
called primary song is a ‘pulse song’ with similar length and amplitude to the previously observed ‘P1’
pattern recorded in Brazilian populations of Lu. longipalpis s.l. The secondary song has ‘sine song’
characteristics and is quite diferent from any song produced by New World species. The discovery of
this copulation courtship songs in Ph. argentipes supports the possibility that acoustic communication
in sandfies might be more widespread than previously thought, including Old World species. Our results
highlight the importance of further research on acoustic communication in the Ph. argentipes species
complex and other Old World vectors of leishmaniasis.
Palabras clave en ingles
Phlebotomus argentipesCopulatory courtship song
Old world
Characterization
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