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A TECHNIQUE FOR AGEING COCOONS OF THE SAWFLY NEODIPRION SERTIFER (HYMENOPTERA: DIPRIONIDAE)
Published online by Cambridge University Press: 31 May 2012
Abstract
A technique for ageing cocoons of Neodiprion sertifer (Geoff.) is outlined using the redox dye 2,6-dichloroindophenol. New cocoons reduce 1 ml of a 0.001% solution in 85% ethanol from blue to colorless in 15 minutes. This reducing power diminishes with age.
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- Copyright © Entomological Society of Canada 1971
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