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A marking technique for Chilo partellus (Swinhoe) (Lepidoptera; Pyralidae) by adding dye to the larval diet

Published online by Cambridge University Press:  19 September 2011

Peeter Päts
Peeter Päts
Affiliation:
Swedish University of Agricultural Sciences, Department of Plant and Forest Protection, Box 7044, 750 07 Uppsala, Sweden
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Abstract

Adding a dye, Calco Oil Red N-1700, to the larval diet of Chilo partellus has been shown to be a useful method for marking the moths for mark and recapture experiments. The method is time-saving and the dye is safe to handle; marked insects and their egg batches are easy to detect. Insects reared on dyed diet did not show any differences in development time or pupal weight compared with insects reared on normal diet.

Résumé

Une adjonction du colorant, Calco Oil Red N-1700, dans le régime alimentaire d'élevage des chenilles de Chilo partellus est, selon l'auteur, une technique de marquage des papillons utilisable dans les expériences lâcher–capture. La méthode fait gagner du temps et le colorant est sans danger. Les adultes colorés et leurs pontes sont aisément repérables. Les insectes issus d'un élevage sur milieu coloré n'ont montré aucun difference dans leur durée du développement, poids des chrysalides, nombre des eufs pondus ou durée de la vie comparés aux insectes témoins provenant d'un élevage sur milieu non coloré.

Keywords

Chilo partellusinternal dyesmarking techniqueCalco Oil Red N-1700Chilo parlelluscolorants internetechnique de marquageCalco Oil Red N-1700
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 10 , Issue 2 , April 1989 , pp. 117 - 121
Copyright
Copyright © ICIPE 1989

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References

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