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Eggs of Ephestia kuehniella and Ceratitis capitata, and motile stages of the astigmatid mitesTyrophagus putrescentiaeand Carpoglyphus lactis as factitious foods for Orius spp.

Authors
  • Bonte, Jochem
  • Van de Walle, Anaïs
  • Conlong, Des
  • De Clercq, Patrick
Publication Date
Jan 01, 2017
Source
Ghent University Institutional Archive
Keywords
Language
English
License
Unknown
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Abstract

Several factitious foods were assessed for rearing the anthocorid predators Orius thripoborus (Hesse) and Orius naivashae (Poppius) (Hemiptera: Anthocoridae) in the laboratory. Developmental and reproductive traits of both Orius species were examined when offered frozen eggs of the Mediterranean flour moth, Ephestia kuehniella Zeller, frozen processed eggs of the medfly, Ceratitis capitata Wiedemann, or mixed motile stages of the astigmatid mites Tyrophagus putrescentiae (Schrank) or Carpoglyphus lactis (L). Whereas C. lactis and T. putresecentiae proved to be an inferior food for rearing O. thripoborus and O. naivashae, eggs of C. capitata fully supported development and reproduction of both predators. Results on medfly eggs were similar or slightly inferior to those on E. kuehniella eggs, which is the standard food for culturing these anthocorid bugs. O. thripoborus could be maintained for 4 consecutive generations on C. capitata eggs indicating that processed medfly eggs can be a suitable and cheaper alternative to E. kuehniella eggs for prolonged rearing of these Orius spp.

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