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Life cycle characteristics in Tanytarsus debilis (Meigen, 1830)(Diptera, Chironomidae)

Published online by Cambridge University Press:  01 February 2009

B. R. Goddeeris
B. R. Goddeeris*
Affiliation:
Koninklijk Belgisch Instituut voor Natuurwetenschappen, Zoetwaterbiologie, Vautierstraat 29, B-1040 Brussel, Belgium
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Abstract

The life cycle of Tanytarsus debilis in two trout-ponds at Mirwart (Belgian Ardennes) has been investigated. The main characteristics were deduced from an analysis of the larval population dynamics. Photoperiod and temperature appear to determine the annual pattern. T. debilis is a spring and summer species and is trivoltine at Mirwart. Special attention is given to the synchronizing effects of diapause phenomena on the emergences and on the larval growth periods. The literature data, exclusively on adults, have been reinterpreted.

Keywords

diapauseemergenceimaginal discsdiapauseémergencedisques imaginaux
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 27 , Issue 2 , 1991 , pp. 141 - 146
Copyright
© Gauthier-Villars, 1991

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