Influence of photoperiod on Orius thyestes Herring (Hemiptera: Anthocoridae) reproduction and longevity

作者: Alessandra R. Carvalho , Vanda H.P. Bueno , Elizabeth C. Pedroso , Leonardo I. Kon , Alexandre J.F. Diniz

DOI: 10.1590/S1519-566X2006000400010

关键词:

摘要: Several species of Orius Wolff are used in biological control thrips protected cultivations temperate regions, but some them show reproductive diapause, compromising the efficiency these agents control. There no reports on biology neotropical thyestes Herring under different environmental conditions. The purpose this work was to investigate influence photoperiod reproduction and longevity predator. Nymphs were kept petri dishes climatic chambers at 28 ± 1°C, 70 10% RH photoperiods 12L:12D, 11L:13D, 10L:14D e 09L:15D. mating adults with Bidens pilosa L. Asteraceae inflorescences as oviposition substracts eggs Anagasta kuehniella (Zeller) (Lepidoptera: Pyralidae) food. pre-oviposition periods, fecundity evaluated O. did not reprodutive diapause all conditions established. mean number obtained per female decreased reduction photophase, a difference (P < 0.05) between values 12h 9h photophase. Longevity females males photophase shorter than other tested. knowledge natural enemy allows optimise mass rearing predict performance predator which may occur along year greenhouses.

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