interspecific competition between metagonystilum minense (diptera: tachinidae) and cotesia flavipes (hymenotera: braconidae) parasitosis of sugarcane borers (diatraea spp., lepidoptera:pyralidae)

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ID: 196562
1998
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Abstract
We evaluated the effect of interspecific competition between M. minense and C. flavipes larvae on survival in both species and on the growth of M. minense. Interspecific competition was evaluated by the inoculation of M. minense larvae (1 or 2 per host larvae: D. sacharalis) 1 to 5 days before or 3 to 8 days after the inoculation of C. flavipes eggs (one inoculation = 45 - 50 eggs). All experiments were done with ten replicas. We found a significant effect of interspecific competition on larval and pupal survival in both parasitoids and body weight in M. minense. M. minense dominated over C. flavipes, except when M. minense was inoculated 5 or more days after C. flavipes.
Evaluamos el efecto de la competencia interespecífica entre larvas de M. minense y C. flavipes en la supervivencia de la progenie de ambas especies y en el crecimiento de M. minense. La competencia interespecífica fue evaluada mediante la inoculación de larvas de M. minense (1 o 2 por larva del hospedador: D. saccharalis) 1 a 5 días antes o 3 a 8 días después de la inoculación de huevos de C. flavipes (una inoculación = 45 a 50 huevos). Se hicieron diez repeticiones de todos los experimentos. Encontramos un efecto significativo de competencia en la supervivencia larval y pupal en ambas especies parasitoides y en el peso corporal de M. minense. M. minense predominó sobre C. flavipes, excepto cuando M. minense fue inoculado 5 o mas días después de C. flavipes.
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Authors ;Enrique H. Weir L.;Luis Sagarzazu
Journal science journal of university of zakho
Year 1998
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