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LIFE HISTORY NOTES ON EPHORON, POTAMANTHUS, LEPTOPHLEBIA AND BLASTURUS WITH DESCRIPTIONS (EPHEMEROPTERA)

Published online by Cambridge University Press:  31 May 2012

F. P. Ide
F. P. Ide
Affiliation:
Department of Biology, University of Toronto
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Extract

In June 1932 a very immature nymph of Ephoron leukon Will was found in the Credit R. near Erindale, Ontario. In 1934 full grown nymphs of this same species were found in great numbers in the same locality after their hiding place was once located. They are burrowing nymphs which inhabit a tubular burrow associated with stones in the rapids. Loose stones. when turned over revealed no nymphs and lackcd the marks of the tubes on them. Stones, however, which were partly imbedded in fine grey silt (originating from the breakdown of shales in the vicinity) when turned over- revealed nymphs clinging on the sides and bottom in the remnants of the tubes. Curiously enough the time of day at which col1ecting was done was important.

Type
Articles
Information
The Canadian Entomologist , Volume 67 , Issue 6 , June 1935 , pp. 113 - 125
Copyright
Copyright © Entomological Society of Canada 1935

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References

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