Influência de diferentes dietas em fases imaturas de Ceraeochrysa cubana (Hagen) (Neuroptera: Chrysopidae)

  • Santa-Cecília L
  • Souza B
  • Carvalho C
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Abstract

O desenvolvimento larval e pupal de Ceraeochrysa cubana em diferentes dietas foi estudado. As larvas (20 por tratamento), foram criadas em laboratório a 25 ± 2 ºC, 70 ± 10% UR e fotofase de 12 horas, nas seguintes dietas: ovos de Anagasta kuehniella; Toxoptera sp.; Pinnaspis sp.; ovos de A. kuehniella + Toxoptera sp.; ovos de A. kuehniella + Pinnaspis sp.; Toxoptera sp. + Pinnaspis sp.; ovos de A. kuehniella + Toxoptera sp. + Toxoptera sp. As larvas que receberam ovos de A. kuehniella, em todos os tratamentos, apresentaram menor duração das fases larval e pupal e permitiram a obtenção de maior número de adultos com 75, 70, 95 e 80 % de viabilidade para os tratamentos com ovos A. kuehniella, ovos de de A. kuehniella + Toxoptera sp., ovos de A. kuehniella + Toxoptera sp. + Pinnaspis sp., respectivamente. Dietas com Toxoptera sp., Pinnaspis sp. e Toxoptera sp. + Pinnaspis sp. foram inadequadas para o desenvolvimento do predador com viabilidade de 0; 5 e 15 %, respectivamente.Larval and pupal development of the predator Ceraeochrysa cubana (Hagen) on different diets was evaluated. Larvae (20/treatment), were reared in laboratory at 20 ± 2 ºC, 70 ± 10 % RH and 12 hours photophase on the following diets; eggs of Anagasta kuehniella; Toxoptera sp.; Pinnaspis sp.; eggs of A. kuehniella + Toxoptera sp.; eggs of A. kuehniella + Pinnaspis sp.; Toxoptera sp. + Pinnaspis sp.; and eggs of A. kuehniella + Toxoptera sp. + Pinnaspis sp. In all treatments, larvae fed on A. kuehniella eggs, showed shorter larval and pupal duration, higher number of adults, with viability of 75, 70, 95 and 80 % for treatments eggs of A. kuehniella, eggs of A. kuehniella + Toxoptera sp.; eggs of A. kuehniella + Pinnaspis sp., respectively. The diets with Toxoptera sp., Pinnaspis sp. and eggs of Toxoptera sp. + Pinnaspis sp. were the least suitable for the development of the predator with viability as low as 0; 5; and 15 %, respectively.

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Santa-Cecília, L. V. C., Souza, B., & Carvalho, C. F. (1997). Influência de diferentes dietas em fases imaturas de Ceraeochrysa cubana (Hagen) (Neuroptera: Chrysopidae). Anais Da Sociedade Entomológica Do Brasil, 26(2), 309–314. https://doi.org/10.1590/s0301-80591997000200012

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