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Abstract:

The existence of a pheromone emitted during copulation has been reported for Rhodnius prolixus (Hemiptera: Reduviidae) Stål. Adults possess one pair of metasternal glands (MGs) from which female R. prolixus release volatiles mainly at night. We investigated whether these volatiles emitted by adult R. prolixus can modulate sexual-related behaviours of opposite and/or same sex individuals. We first used a shelter bioassay to test if adult activity patterns can be affected by chemical signals emitted by opposite sex conspecifics. We observed that males left the shelter more frequently in the presence of females, showing higher activity and an increase of intrasexual copulation attempts. Females showed no shelter-related activation in the presence of male odours. Second, we used a locomotion compensator device to investigate whether females or males show oriented responses to odours emitted by adults. We found that males oriented towards air currents carrying female odours but females did not orient towards odours emitted by adults. Finally, we observed that males oriented towards the female MG compounds. Thus, a volatile chemical signal emitted by females from their MGs promoted the activation of sheltered males and modulated orientation to air currents. © 2013 The Royal Entomological Society.

Registro:

Documento: Artículo
Título:Female odours promote the activation of sheltered kissing bug Rhodnius prolixus males and modulate their orientation
Autor:Pontes, G.; Zacharias, C.A.; Manrique, G.; Lorenzo, M.G.
Filiación:Laboratorio de Triatomíneos e Epidemiologia da Doença de Chagas, Instituto René Rachou/FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil
Laboratorio de Fisiología de Insectos, Departamento de Biodiversidad y Biología Experimental, BBEA, CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:Chemical signals; Locomotor activity; Metasternal glands; Sex pheromone; Shelter; bioassay; conspecific; copulation; female behavior; insect; locomotion; male behavior; odor; sex pheromone; shelter; signal; Hemiptera; Reduviidae; Rhodnius prolixus; Triatominae; pheromone; air; animal; female; male; metabolism; motor activity; orientation; physiology; sexual behavior; Triatominae; Air Movements; Animals; Female; Male; Motor Activity; Orientation; Pheromones; Sexual Behavior, Animal; Triatominae
Año:2014
Volumen:28
Número:3
Página de inicio:257
Página de fin:263
DOI: http://dx.doi.org/10.1111/mve.12040
Título revista:Medical and Veterinary Entomology
Título revista abreviado:Med. Vet. Entomol.
ISSN:0269283X
CODEN:MVENE
CAS:Pheromones
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0269283X_v28_n3_p257_Pontes

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Citas:

---------- APA ----------
Pontes, G., Zacharias, C.A., Manrique, G. & Lorenzo, M.G. (2014) . Female odours promote the activation of sheltered kissing bug Rhodnius prolixus males and modulate their orientation. Medical and Veterinary Entomology, 28(3), 257-263.
http://dx.doi.org/10.1111/mve.12040
---------- CHICAGO ----------
Pontes, G., Zacharias, C.A., Manrique, G., Lorenzo, M.G. "Female odours promote the activation of sheltered kissing bug Rhodnius prolixus males and modulate their orientation" . Medical and Veterinary Entomology 28, no. 3 (2014) : 257-263.
http://dx.doi.org/10.1111/mve.12040
---------- MLA ----------
Pontes, G., Zacharias, C.A., Manrique, G., Lorenzo, M.G. "Female odours promote the activation of sheltered kissing bug Rhodnius prolixus males and modulate their orientation" . Medical and Veterinary Entomology, vol. 28, no. 3, 2014, pp. 257-263.
http://dx.doi.org/10.1111/mve.12040
---------- VANCOUVER ----------
Pontes, G., Zacharias, C.A., Manrique, G., Lorenzo, M.G. Female odours promote the activation of sheltered kissing bug Rhodnius prolixus males and modulate their orientation. Med. Vet. Entomol. 2014;28(3):257-263.
http://dx.doi.org/10.1111/mve.12040