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EFFECTS OF pH ON THE LIFE CYCLE OF THE MIDGE TANYTARSUS DISSIMILIS

Published online by Cambridge University Press:  31 May 2012

Henry L. Bell
Affiliation:
National Water Quality Laboratory, Federal Water Pollution Control Administration, U.S. Deparment of the Interior, Duluth, Minnesota

Abstract

All stages of the life cycle of the midge Tanytarsus (Paratanytarsus) dissimilis Joh. were subjected to low pH and the extremes of tolerance were determined. The life cycle could not be completed below a pH of 5.5

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1970

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