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A radiographic method for rapid detection ofHylemya brassicae puparial parasitism

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Abstract

The efficiency of detecting parasitism in puparia ofHylemya brassicae (Bouché) with X-radiography was established as 92% as compared with results of actual rearing. The technique is more efficient with host puparia collected in the spring than in the previous fall, because both host and parasite are in more advanced developmental stages. the procedure did not affect host adult emergence, host oviposition, host egg hatching, or parasite emergence.

Résumé

L'efficacité de la détection du parasitisme de pupes deH. brassicae par radiographie aux rayons X est de 92% d'après les résultats de l'élevage actuel. La technique est meilleure pour les pupes récoltées au printemps qu'au cours de l'automne précédent, parce qu'à la fois l'hôte et le parasite sont à des stades de développement plus avancés. La méthode n'affecte pas la sortie de l'adulte de l'hôte, la ponte, l'éclosion, ni la sortie des parasites.

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Authors and Affiliations

  1. Department of Entomology, Fisheries, and Wildlife, University of Minnesota, 55101, St. Paul, Minnesota, U.S.A.

    R. W. Weires & H. C. Chiang (Research Fellow and Professor, respectively)

Authors
  1. R. W. Weires
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  2. H. C. Chiang
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Additional information

Paper No. 8214 Scientific Journal Series, Minnesota Agricultural Experiment Station, St. Paul, Minnesota. The study was conducted with the financial support of U. S. Department of Agriculture, Basic Investigations Grant 12-14-100-8039 (33).

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Weires, R.W., Chiang, H.C. A radiographic method for rapid detection ofHylemya brassicae puparial parasitism. Entomophaga 18, 405–408 (1973). https://doi.org/10.1007/BF02371017

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  • DOI: https://doi.org/10.1007/BF02371017

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