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Artículo

Bionomics of Opius bellus (Hymenoptera: Braconidae), an endoparasitoid of Anastrepha fraterculus (Diptera: Tephritidae) in fruit-growing areas of Northwestern Argentina

Schliserman, PabloIcon ; Van Nieuwenhove, Guido AlejandroIcon ; Bezdjian, Laura PatriciaIcon ; Albornoz Medina, PatriciaIcon ; Escobar, Lorena InesIcon ; Buonocore Biancheri, María JosefinaIcon ; Altamirano, JavierIcon ; Aluja, Martin; Ovruski Alderete, Sergio MarceloIcon
Fecha de publicación: 12/2013
Editorial: Taylor & Francis Ltd
Revista: Biocontrol Science and Technology
ISSN: 0958-3157
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Zoología, Ornitología, Entomología, Etología

Resumen

Opius bellus is a neotropical larval-prepupal parasitoid known to attack the pestiferous fruit fly, Anastrepha fraterculus. Due to interest in the use of native parasitoids in forthcoming fruit fly biocontrol programmes in Argentina, O. bellus was colonised for the first time using laboratory-reared A. fraterculus larvae. A series of experiments were conducted to (1) best achieve an efficient parasitoid rearing by determining optimal larval host age, host:parasitoid ratio and host exposure time and (2) assess their potential as biological control agents by determining reproductive parameters. The most productive exposure regimen was: 7-9 d-old (early and middle third-instars) A. fraterculus larvae for 4 h at a 4:1 host:parasitoid ratio; this array of factors was sufficient to achieve the highest average adult emergence (48%) and an offspring sex ratio at equitable proportion. Increasing both host:parasitoid ratio further than 4:1 and the host exposure time beyond 4 h did not significantly enhance parasitoid female offspring yield. Females produced eggs for 29.5 ± 1.4 days. At 32 days of age, 50% of the females were still alive. The majority of the progeny were produced by females between 20 and 24 d-old. At 26°C, gross fecundity rate, net reproductive rate, intrinsic rate of increase and mean generation time were 20.7 ± 4.2 offspring/female, 9.6 ± 2.5 females/newborn females, 0.06 ± 0.01 females/female/day and 8.4 ± 0.2 days, respectively. The long lifespan and reproductive parameters suggest that this parasitoid species has suitable attributes for mass-rearing.
Palabras clave: ARGENTINA , BRACONIDAE , DEMOGRAPHIC PARAMETERS , FRUIT FLY , PARASITOID , REARING
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/1346
DOI: http://dx.doi.org/10.1080/09583157.2013.863826
URL: https://www.tandfonline.com/doi/abs/10.1080/09583157.2013.863826
Colecciones
Articulos(PROIMI)
Articulos de PLANTA PILOTO DE PROC.IND.MICROBIOLOGICOS (I)
Citación
Schliserman, Pablo; Van Nieuwenhove, Guido Alejandro; Bezdjian, Laura Patricia; Albornoz Medina, Patricia; Escobar, Lorena Ines; et al.; Bionomics of Opius bellus (Hymenoptera: Braconidae), an endoparasitoid of Anastrepha fraterculus (Diptera: Tephritidae) in fruit-growing areas of Northwestern Argentina; Taylor & Francis Ltd; Biocontrol Science and Technology; 24; 4; 12-2013; 375-388
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