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
Lenguaje:Inglés
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
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling paperaa:paper_00740276_v99_n3_p295_Pires2023-06-12T16:45:51Z The sexual behaviour of Panstrongylus megistus (Hemiptera: Reduviidae): An experimental study Mem. Inst. Oswaldo Cruz 2004;99(3):295-300 Pires, H.H.R. Lorenzo, M.G. Lazzari, C.R. Diotaiuti, L. Manrique, G. 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 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. 2004 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00740276_v99_n3_p295_Pires
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
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
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