Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements

Abstract Sexual maturation of Anastrepha fraterculus is a long process. Methoprene (a mimic of juvenile hormone) considerably reduces the time for sexual maturation in males. However, in other Anastrepha species, this effect depends on protein intake at the adult stage. Here, we evaluated the mating...

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Autores principales:	Devescovi, Francisco, Bachmann, Guillermo E., Vera, María Teresa, Lanzavecchia, Silvia Beatriz, Cladera, Jorge Luis, Segura, Diego Fernando
Publicado:	2013
Materias:	juvenile hormone lekking behaviour mating competitiveness methoprene nutrition sexual maturation sterile insect technique adult biological control diet fly hormone intersexual interaction lek mate attraction precociality protein sexual maturity signaling sterile release method sterility yeast animal animal food article biological pest control diet supplementation drug effect economics evaluation study female growth, development and aging insect male methodology protein intake sexual behavior Tephritidae Animal Feed Animals Dietary Proteins Dietary Supplements Female Juvenile Hormones Male Methoprene Pest Control, Biological Pupa Sexual Behavior, Animal Sexual Maturation Anastrepha Anastrepha fraterculus Diptera Hexapoda Saccharomyces cerevisiae
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00074853_v103_n1_p1_Liendo http://hdl.handle.net/20.500.12110/paper_00074853_v103_n1_p1_Liendo
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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spelling	paper:paper_00074853_v103_n1_p1_Liendo2023-06-08T14:31:41Z Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements Devescovi, Francisco Bachmann, Guillermo E. Vera, María Teresa Lanzavecchia, Silvia Beatriz Cladera, Jorge Luis Segura, Diego Fernando juvenile hormone lekking behaviour mating competitiveness methoprene nutrition sexual maturation sterile insect technique juvenile hormone methoprene adult biological control diet fly hormone intersexual interaction lek mate attraction nutrition precociality protein sexual maturity signaling sterile release method sterility yeast animal animal food article biological pest control diet supplementation drug effect economics evaluation study female growth, development and aging insect male methodology protein intake sexual behavior sexual maturation Tephritidae Animal Feed Animals Dietary Proteins Dietary Supplements Female Juvenile Hormones Male Methoprene Pest Control, Biological Pupa Sexual Behavior, Animal Sexual Maturation Tephritidae Anastrepha Anastrepha fraterculus Diptera Hexapoda Saccharomyces cerevisiae Tephritidae Abstract Sexual maturation of Anastrepha fraterculus is a long process. Methoprene (a mimic of juvenile hormone) considerably reduces the time for sexual maturation in males. However, in other Anastrepha species, this effect depends on protein intake at the adult stage. Here, we evaluated the mating competitiveness of sterile laboratory males and females that were treated with methoprene (either the pupal or adult stage) and were kept under different regimes of adult food, which varied in the protein source and the sugar:protein ratio. Experiments were carried out under semi-natural conditions, where laboratory flies competed over copulations with sexually mature wild flies. Sterile, methoprene-treated males that reached sexual maturity earlier (six days old), displayed the same lekking behaviour, attractiveness to females and mating competitiveness as mature wild males. This effect depended on protein intake. Diets containing sugar and hydrolyzed yeast allowed sterile males to compete with wild males (even at a low concentration of protein), while brewer's yeast failed to do so even at a higher concentration. Sugar only fed males were unable to achieve significant numbers of copulations. Methoprene did not increase the readiness to mate of six-day-old sterile females. Long pre-copulatory periods create an additional cost to the management of fruit fly pests through the sterile insect technique (SIT). Our findings suggest that methoprene treatment will increase SIT effectiveness against A. fraterculus when coupled with a diet fortified with protein. Additionally, methoprene acts as a physiological sexing method, allowing the release of mature males and immature females and hence increasing SIT efficiency. Copyright © Cambridge University Press 2012. Fil:Devescovi, F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bachmann, G.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Vera, M.T. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Lanzavecchia, S.B. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cladera, J.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Segura, D.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2013 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00074853_v103_n1_p1_Liendo http://hdl.handle.net/20.500.12110/paper_00074853_v103_n1_p1_Liendo
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	juvenile hormone lekking behaviour mating competitiveness methoprene nutrition sexual maturation sterile insect technique juvenile hormone methoprene adult biological control diet fly hormone intersexual interaction lek mate attraction nutrition precociality protein sexual maturity signaling sterile release method sterility yeast animal animal food article biological pest control diet supplementation drug effect economics evaluation study female growth, development and aging insect male methodology protein intake sexual behavior sexual maturation Tephritidae Animal Feed Animals Dietary Proteins Dietary Supplements Female Juvenile Hormones Male Methoprene Pest Control, Biological Pupa Sexual Behavior, Animal Sexual Maturation Tephritidae Anastrepha Anastrepha fraterculus Diptera Hexapoda Saccharomyces cerevisiae Tephritidae
spellingShingle	juvenile hormone lekking behaviour mating competitiveness methoprene nutrition sexual maturation sterile insect technique juvenile hormone methoprene adult biological control diet fly hormone intersexual interaction lek mate attraction nutrition precociality protein sexual maturity signaling sterile release method sterility yeast animal animal food article biological pest control diet supplementation drug effect economics evaluation study female growth, development and aging insect male methodology protein intake sexual behavior sexual maturation Tephritidae Animal Feed Animals Dietary Proteins Dietary Supplements Female Juvenile Hormones Male Methoprene Pest Control, Biological Pupa Sexual Behavior, Animal Sexual Maturation Tephritidae Anastrepha Anastrepha fraterculus Diptera Hexapoda Saccharomyces cerevisiae Tephritidae Devescovi, Francisco Bachmann, Guillermo E. Vera, María Teresa Lanzavecchia, Silvia Beatriz Cladera, Jorge Luis Segura, Diego Fernando Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
topic_facet	juvenile hormone lekking behaviour mating competitiveness methoprene nutrition sexual maturation sterile insect technique juvenile hormone methoprene adult biological control diet fly hormone intersexual interaction lek mate attraction nutrition precociality protein sexual maturity signaling sterile release method sterility yeast animal animal food article biological pest control diet supplementation drug effect economics evaluation study female growth, development and aging insect male methodology protein intake sexual behavior sexual maturation Tephritidae Animal Feed Animals Dietary Proteins Dietary Supplements Female Juvenile Hormones Male Methoprene Pest Control, Biological Pupa Sexual Behavior, Animal Sexual Maturation Tephritidae Anastrepha Anastrepha fraterculus Diptera Hexapoda Saccharomyces cerevisiae Tephritidae
description	Abstract Sexual maturation of Anastrepha fraterculus is a long process. Methoprene (a mimic of juvenile hormone) considerably reduces the time for sexual maturation in males. However, in other Anastrepha species, this effect depends on protein intake at the adult stage. Here, we evaluated the mating competitiveness of sterile laboratory males and females that were treated with methoprene (either the pupal or adult stage) and were kept under different regimes of adult food, which varied in the protein source and the sugar:protein ratio. Experiments were carried out under semi-natural conditions, where laboratory flies competed over copulations with sexually mature wild flies. Sterile, methoprene-treated males that reached sexual maturity earlier (six days old), displayed the same lekking behaviour, attractiveness to females and mating competitiveness as mature wild males. This effect depended on protein intake. Diets containing sugar and hydrolyzed yeast allowed sterile males to compete with wild males (even at a low concentration of protein), while brewer's yeast failed to do so even at a higher concentration. Sugar only fed males were unable to achieve significant numbers of copulations. Methoprene did not increase the readiness to mate of six-day-old sterile females. Long pre-copulatory periods create an additional cost to the management of fruit fly pests through the sterile insect technique (SIT). Our findings suggest that methoprene treatment will increase SIT effectiveness against A. fraterculus when coupled with a diet fortified with protein. Additionally, methoprene acts as a physiological sexing method, allowing the release of mature males and immature females and hence increasing SIT efficiency. Copyright © Cambridge University Press 2012.
author	Devescovi, Francisco Bachmann, Guillermo E. Vera, María Teresa Lanzavecchia, Silvia Beatriz Cladera, Jorge Luis Segura, Diego Fernando
author_facet	Devescovi, Francisco Bachmann, Guillermo E. Vera, María Teresa Lanzavecchia, Silvia Beatriz Cladera, Jorge Luis Segura, Diego Fernando
author_sort	Devescovi, Francisco
title	Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
title_short	Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
title_full	Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
title_fullStr	Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
title_full_unstemmed	Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
title_sort	precocious sexual signalling and mating in anastrepha fraterculus (diptera: tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements
publishDate	2013
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00074853_v103_n1_p1_Liendo http://hdl.handle.net/20.500.12110/paper_00074853_v103_n1_p1_Liendo
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Precocious sexual signalling and mating in Anastrepha fraterculus (Diptera: Tephritidae) sterile males achieved through juvenile hormone treatment and protein supplements

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