The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study

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The factors affecting the sexual behaviour of Panstrongylus megistus were studied under laboratory conditions. A general description of mating behaviour is presented for this species. The effect of the time elapsed after the first imaginal feeding on the mating frequency, the motivation of males to...

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Autores principales:	Pires, H.H.R., Lorenzo, M.G., Lazzari, C.R., Diotaiuti, L., Manrique, G.
Formato:	Artículo publishedVersion
Publicado:	2004
Materias:	Chagas disease Mating Panstrongylus megistus Sex pheromones Sexual behaviour Triatominae pheromone article behavior controlled study copulation feeding female male mating motivation nonhuman Panstrongylus sexual behavior Hemiptera Reduviidae
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00740276_v99_n3_p295_Pires http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00740276_v99_n3_p295_Pires_oai
Aporte de:	Repositorio Digital de la Universidad de Buenos Aires (UBA) de Universidad de Buenos Aires

id	I28-R145-paper_00740276_v99_n3_p295_Pires_oai
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spelling	I28-R145-paper_00740276_v99_n3_p295_Pires_oai2020-10-19 Pires, H.H.R. Lorenzo, M.G. Lazzari, C.R. Diotaiuti, L. Manrique, G. 2004 The factors affecting the sexual behaviour of Panstrongylus megistus were studied under laboratory conditions. A general description of mating behaviour is presented for this species. The effect of the time elapsed after the first imaginal feeding on the mating frequency, the motivation of males to mate and the rejection behaviour by females, were analyzed. We also determined the number of copulas accepted by females of this species. Finally, the possible existence of a sexual chemical signal promoting male aggregation around mating couples was evaluated. Results showed that mating frequency increased with the time elapsed since the first adult meal. Despite the number of male copulatory attempts did not change as a function of time, the rejection behaviour of females became gradually less frequent. Females rejected mating by means of body flattening on the substrate, abdominal movements, evasion or stridulation. After a single copula, females did not usually accept to mate again. Neither male nor female aggregation around mating couples was observed, suggesting the absence of a sexual assembling pheromone in P. megistus. Fil:Lorenzo, M.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Lazzari, C.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Manrique, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. application/pdf http://hdl.handle.net/20.500.12110/paper_00740276_v99_n3_p295_Pires info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar Mem. Inst. Oswaldo Cruz 2004;99(3):295-300 Chagas disease Mating Panstrongylus megistus Sex pheromones Sexual behaviour Triatominae pheromone article behavior controlled study copulation feeding female male mating motivation nonhuman Panstrongylus sexual behavior Hemiptera Panstrongylus Panstrongylus megistus Reduviidae Triatominae The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00740276_v99_n3_p295_Pires_oai
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-145
collection	Repositorio Digital de la Universidad de Buenos Aires (UBA)
topic	Chagas disease Mating Panstrongylus megistus Sex pheromones Sexual behaviour Triatominae pheromone article behavior controlled study copulation feeding female male mating motivation nonhuman Panstrongylus sexual behavior Hemiptera Panstrongylus Panstrongylus megistus Reduviidae Triatominae
spellingShingle	Chagas disease Mating Panstrongylus megistus Sex pheromones Sexual behaviour Triatominae pheromone article behavior controlled study copulation feeding female male mating motivation nonhuman Panstrongylus sexual behavior Hemiptera Panstrongylus Panstrongylus megistus Reduviidae Triatominae Pires, H.H.R. Lorenzo, M.G. Lazzari, C.R. Diotaiuti, L. Manrique, G. The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study
topic_facet	Chagas disease Mating Panstrongylus megistus Sex pheromones Sexual behaviour Triatominae pheromone article behavior controlled study copulation feeding female male mating motivation nonhuman Panstrongylus sexual behavior Hemiptera Panstrongylus Panstrongylus megistus Reduviidae Triatominae
description	The factors affecting the sexual behaviour of Panstrongylus megistus were studied under laboratory conditions. A general description of mating behaviour is presented for this species. The effect of the time elapsed after the first imaginal feeding on the mating frequency, the motivation of males to mate and the rejection behaviour by females, were analyzed. We also determined the number of copulas accepted by females of this species. Finally, the possible existence of a sexual chemical signal promoting male aggregation around mating couples was evaluated. Results showed that mating frequency increased with the time elapsed since the first adult meal. Despite the number of male copulatory attempts did not change as a function of time, the rejection behaviour of females became gradually less frequent. Females rejected mating by means of body flattening on the substrate, abdominal movements, evasion or stridulation. After a single copula, females did not usually accept to mate again. Neither male nor female aggregation around mating couples was observed, suggesting the absence of a sexual assembling pheromone in P. megistus.
format	Artículo Artículo publishedVersion
author	Pires, H.H.R. Lorenzo, M.G. Lazzari, C.R. Diotaiuti, L. Manrique, G.
author_facet	Pires, H.H.R. Lorenzo, M.G. Lazzari, C.R. Diotaiuti, L. Manrique, G.
author_sort	Pires, H.H.R.
title	The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study
title_short	The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study
title_full	The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study
title_fullStr	The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study
title_full_unstemmed	The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study
title_sort	sexual behaviour of panstrongylus megistus (hemiptera: reduviidae): an experimental study
publishDate	2004
url	http://hdl.handle.net/20.500.12110/paper_00740276_v99_n3_p295_Pires http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00740276_v99_n3_p295_Pires_oai
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The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study

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