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Journal Article

Tages- und jahresperiodische Imaginalhäutung subarktischer und mitteleuropäischer Populationen von Diura bicaudata (Plecoptera)

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Schwarz,  Peter
Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Schwarz, P. (1973). Tages- und jahresperiodische Imaginalhäutung subarktischer und mitteleuropäischer Populationen von Diura bicaudata (Plecoptera). Oikos, 24(1), 151-154.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-CDF6-F
Abstract
The annual periodicity of a northern and a central European population of Diura bicaudata L. varies because of differences in growth conditions. In the central European population the start of the larval quiescence is induced by temperature while its end seems to be regulated by a complex of factors. The subarctic as well as the middle European populations have a diel periodicity of emergence with maxima in the evening and in the morning. This rhythm becomes vaguer in the subarctic summer and does not persist under artificial, continuous light.